My Project

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  Dooya DC1802 sniffing and repeat
  28 Mar 2019, 23:02 • Peter Gonczy   14 May 2019, 02:58

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  14 May 2019, 02:58

  @peter-gonczy I'm only a noob, but is that the whole sketch? Doesn't it need to be setup so it talks to the gateway?
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  Constant current high voltage dimmable led driver
  7 May 2019, 17:55 • JCLB   7 May 2019, 17:55

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  Start neopixels when présentation fails
  30 Apr 2019, 17:57 • tommies   5 May 2019, 17:05

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  5 May 2019, 17:05

  Thanks. Everything is ok. I now have a node with 3 push-buttons for 3 colors settings and vocals commands for lazy persons or Tony stark. It's for a Iron Man reactor with neopixels... I wanted to Say : "Jarvis.. Iron Man laser" to have flash effects with neopixels. For this i use mysensors + jeedom + Google Home mini + ifft. Need to had Wait(200) in my loop to be sure to receive message from gateway. Thanks again
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  Mysensorized Roomba
  3 Dec 2016, 14:49 • parachutesj   29 Apr 2019, 18:04

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  29 Apr 2019, 18:04

  there is plenty of space for a nano or pro mini. wemos mini or nodemcu should also fit (spam links removed by moderator)
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  MySensors-powered arcade game screen with wireless gamepad controller
  esp8266 • 16 Dec 2016, 21:26 • mfalkvidd   17 Apr 2019, 06:53

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  17 Apr 2019, 06:53

  WOW!!! What a cool project!
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  Interupt not waking sensor
  3 Apr 2019, 09:42 • Terence Faul   4 Apr 2019, 09:46

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  4 Apr 2019, 09:46

  @terence-faul said in Interupt not waking sensor: when the Interupt is called does that invoke the loop from the beginning?``` No, it resumes. But in your case, as sleep is your last function in Loop(), loop is relaunched. I just quick looked at your code (no time). Have you tried to remove others sensors code, and run a reedswitch only code. It should be the first step in your debugging. Better do step by step to check what's the culprit. If your reedswitch code is working ok, if there is any interference with other sensors/libraries, the logic order/algo etc. Are you using sleep() for saving energy (so a batt powered device)?? then imho I would have choosen a better sensor. I don't get why people still uses these dht.. Eg. cheap si7021, Bosch BMEs : better power consumption, voltage range. DHT libs has lot of delays, yuk! eg. minimum 10ms just for a read start signal (more for the complete reading), imho it needs refactoring to be used in non blocking way. So, you can: disable your DHT code and try reedswitch code only. if it works. then you have a problem with 1) your code logics 2) external lib (but imho it's a bad sensor choice) Check 1) by maybe changing a bit your code logics(order of functions calls like testing your reedswith right after your sleep call). if it doesn't fix, rewrite sensor lib in non blocking way to be used with your sketch if you don't feel enough good for rewriting lib, then change sensor brand/model, and you may fix this problem As a rule of thumb, libs are not all well optimized even if their examples works, but sometimes it needs tinkering so it can work in larger projects like a mysensors multisensors sketch. So before using a lib, I often check&fix if there are any delays/loops/blocking stuff and others details which could bring some problems and slow down my dev. Edit: ahah I didn't notice, you beat me @mfalkvidd
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  My SHT21 and ds18b20 sensor
  ds18b20 sht21 • 5 Mar 2015, 18:13 • Blom   31 Mar 2019, 13:47

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  31 Mar 2019, 13:47

  Looks great! Would love to see the schematic and 3D print file for the enclosure. @Blom Would you be able to share them?
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  Ethernet gateway
  30 Mar 2019, 14:42 • Terence Faul   31 Mar 2019, 01:00

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  31 Mar 2019, 01:00

  @terence-faul I'm only new to this myself, so I can't help with anything specific, but I did a search and found another thread where someone was having issues with a similar setup to you. Maybe you might find some info there that helps you. The thread is here : https://forum.mysensors.org/topic/5059/ethernet-gateway-with-w5100
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  This topic is deleted!
  28 Mar 2019, 23:47 • Peter Gonczy   28 Mar 2019, 23:47

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  Wirsbo/Uponor thermostat replacement
  hardware thermostat development • 31 Dec 2015, 16:36 • Denke   24 Mar 2019, 13:06

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  24 Mar 2019, 13:06

  @bjornhallberg The sensors are working fine and have been installed in my home for the last couple of years. Some optimisation needs to be done to the code, that i have not done. This is more connected to understanding when the mysensors network is in "range" as i want to fallback on the manual knob if the mysensor network is inactive for some reason or if i sell the house and the controller goes with me.
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  Help on Micro:bit sensors IDEA
  17 Mar 2019, 14:16 • koops266   19 Mar 2019, 09:37

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  19 Mar 2019, 09:37

  Is it possible? Probably. but if you're new to electronics, this sounds like a very daunting task! MySensors is very good at getting sensor data into a database wirelessly. A database/system like Domoticz, for example, will let you create graphs from your data. Challenges to think about: the 3D map will be very distorted. you'll need to make software to do all this. Why not explore photogrammetry instead? There are great apps for that. My recommendation would be to just start with making a basic sensor (perhaps something already on the Micro:bit, like the motion sensor or the magnetic sensor), and get that data into Domoticz. That will spark new ideas, ideas that you will be able to more easily make. For example, you can get some data from place A and use it to actuate a motor/turn something on in place B. One of the first things I ever did was to create a disco lamp that turns on when the temperature reaches 26 degrees celcius. When it gets summer, it's time to party!
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  RFID-RC522 and sending text via serialgateway
  15 Mar 2019, 10:18 • ozyreusz   15 Mar 2019, 20:26

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  15 Mar 2019, 20:26

  I get no output from the card I try to read. When I comment out all lines connected with mysensors library it works There are no errors The sketch checks cards id and returns name of the card owner, if it is known, if not "unknown person" is printed on serial. I wanted to send names detected to domoticz, so based on them it would be possible to create an event 0;255;3;0;9;0 MCO:BGN:INIT GW,CP=R-NGA---,REL=255,VER=2.3.1 0;255;3;0;14;Gateway startup complete. 0;255;0;0;17;2.3.1 0;255;3;0;11;USER 0;255;3;0;12;1.1 0;20;0;0;36; 0;255;3;0;9;9 MCO:BGN:STP 0;255;3;0;9;68 MCO:REG:NOT NEEDED 0;255;3;0;9;71 MCO:BGN:INIT OK,TSP=NA```
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  Strange Situation
  4 Mar 2019, 18:18 • CrankyCoder   8 Mar 2019, 13:27

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  8 Mar 2019, 13:27

  @crankycoder Ok on the heater, but what I was getting at was if it is mains borne interference, appliances elsewhere might also trigger the phenomenon but you hadn't noticed as you were not in THAT room.... Sounds like you have some rogue amateur wiring there, for kitchens and bathrooms a ground wire is mandatory for safety I always understood, on a metal ballast case it provides RF shielding. Perhaps you could shield the board for your Light Module if the caps don't sort it out?
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  Where do i start?
  4 Mar 2019, 14:06 • Reindier   7 Mar 2019, 14:48

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  7 Mar 2019, 14:48

  @reindier Please add some more info on your setup. In general, an ESP8266-based node is only intented to be a gateway (also other hardware con be chosen). Possibilities about using more than one gateway depend on the controller software you intend to use. Some support it, but could have additional restrictions. In general, I'd never use a multiple NodeMCU-setup with sensors directly attached to this MCU type the "MySensors"-way but instead use standard (especially MQTT) options for them (outside MySensors). So what means "arduino" on your setup? Just the Arduino IDE for programming the ESP8266's? If it's really ATMega328 MCU's, I'd go for other transport layers than regular WiFi (eg. use RFM69 transceivers).
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  New Sense Bender GW no USB response
  gw usb • 6 Mar 2019, 22:41 • KenKrick   6 Mar 2019, 22:41

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  This topic is deleted!
  5 Mar 2019, 15:50 • Reindier   5 Mar 2019, 15:50

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  Portable RFM69 Signal Scanner
  16 Oct 2017, 21:09 • gohan   25 Feb 2019, 19:02

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  25 Feb 2019, 19:02

  Yes, that was Rev 9, but the sketch would work with anything you have
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  DHT11 and Ethernet Gateway with enc28j60
  8 Feb 2019, 09:55 • giangired   21 Feb 2019, 18:44

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  21 Feb 2019, 18:44

  @giangired yes, a counter or using millis() (which technically is a counter) is the right solution. Relay nodes can’t sleep, because nodes can not receive incoming commands when sleeping.
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  BBQ Probes for the Perfect Steak
  18 Feb 2019, 19:20 • Newzwaver   20 Feb 2019, 10:01

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  20 Feb 2019, 10:01

  What you should look at is the Adafruit_MAX31855 library Then buy a K-type sensor device online. https://github.com/adafruit/Adafruit-MAX31855-library You can also use the cheaper Max6675. Watch the voltage it uses. You'll have so search a bit, but you can also buy meat-probe style K-type sensors at Aliexpress. This code may be of use: /** * * The MySensors Arduino library handles the wireless radio link and protocol * between your home built sensors/actuators and HA controller of choice. * The sensors forms a self healing radio network with optional repeaters. Each * repeater and gateway builds a routing tables in EEPROM which keeps track of the * network topology allowing messages to be routed to nodes. * * Created by Henrik Ekblad <henrik.ekblad@mysensors.org> * Copyright (C) 2013-2015 Sensnology AB * Full contributor list: https://github.com/mysensors/Arduino/graphs/contributors * * Documentation: http://www.mysensors.org * Support Forum: http://forum.mysensors.org * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * version 2 as published by the Free Software Foundation. * ******************************* * * DESCRIPTION * * PID smoker, in progress * */ #include <AutoPID.h> //#include <PID_v1.h> //#define PIN_INPUT 0 //#define RELAY_PIN 6 //auto-pid settings and gains #define OUTPUT_MIN 0 #define OUTPUT_MAX 3500 // this should not exceed the ASECOND value below. #define KP 6 #define KI .1 #define KD 10 //Define Variables we'll be connecting to double setPoint, Output; // autopid double smokerSetpoint = 90; double meatSetpoint = 70; double temperatureA = 0; // Holds the temperature of the first MAX sensor. double temperatureB = 0; // Holds the temperature of the second MAX sensor. double temperatureC = 0; // Holds the temperature of the second MAX sensor. //Define the aggressive and conservative PID Tuning Parameters //double Kp=2, Ki=5, Kd=1; // the original middle of the road settings. //double aggKp=4, aggKi=0.2, aggKd=1; // the original aggressive settings. //double aggKp=2, aggKi=2, aggKd=1; //double consKp=1, consKi=0.05, consKd=0.25; /* * P: the bigger the number the harder the controller pushes. * I: the SMALLER the number (except for 0, which turns it off,) the more quickly the controller reacts to load changes, but the greater the risk of oscillations. * D: the bigger the number the more the controller dampens oscillations (to the point where performance can be hindered) * * learn more: http://brettbeauregard.com/blog/2011/04/improving-the-beginners-pid-introduction/ * * 1. Get the Proportional working first. A fast and easy trick is to increase the proportional gain until oscillations start (the critical or ultimate gain) then cut the gain in half. * */ //PID myPID(&temperatureA, &Output, &smokerSetpoint, aggKp, aggKi, aggKd, DIRECT); AutoPID myPID(&temperatureB, &smokerSetpoint, &Output, OUTPUT_MIN, OUTPUT_MAX, KP, KI, KD); #define ACTIVATIONTEMPERATURERANGE 10 // at what temperature delta below or above the target temperature should the PID take over the heating proces? So if the target is 100, then this would be between 70 and 130 degrees. #define HASOLEDSCREEN // Remove this line if you are not using an OLED screen on the node. #define DONTCHECKCONNECTION // Uncomment this line if you do not care if the node loses connection with the controller. #ifdef HASOLEDSCREEN #define OLED_I2C_ADDRESS 0x3C //#include <SPI.h> #include <SSD1306Ascii.h> // simple drivers for the screen. #include <SSD1306AsciiAvrI2c.h> SSD1306AsciiAvrI2c oled; #endif // if you uncomment this, you can get test and debug updates about everything the sensor is doing by using the serial monitor tool. //#define MY_DEBUG // Enable and select radio type attached #define MY_RADIO_NRF24 // A 2.4Ghz transmitter and receiver, often used with MySensors. //#define MY_RADIO_RFM69 // 433Mhz transmitter and reveiver. //#define MY_RADIO_NRF5_ESB // NRF5 devices //#define MY_RADIO_RFM95 //#define MY_RF24_PA_LEVEL RF24_PA_MIN #define MY_RF24_PA_LEVEL RF24_PA_LOW // This sets a low-power mode for the radio. Useful if you use the version with the bigger antenna, but don't want to power that from a separate power source. It can also fix problems with fake Chinese versions of the radio. //#define MY_RF24_PA_LEVEL RF24_PA_HIGH //#define MY_RF24_PA_LEVEL RF24_PA_MAX // Advanced settings #define MY_TRANSPORT_WAIT_READY_MS 8000 // try connecting for a few seconds. Otherwise just continue. #define MY_SPLASH_SCREEN_DISABLED // saves a little memory. //#define MY_DISABLE_RAM_ROUTING_TABLE_FEATURE // saves a little memory. //#define MY_NODE_ID 100 //#define MY_PARENT_NODE_ID 0 //#define MY_PARENT_NODE_IS_STATIC //#define MY_RF24_CHANNEL 100 // this helps to get a better reception in Europe. The default channel that MySensors uses (76) overlaps with European wifi band 13 :-( // Easy to use security, yay! //#define MY_SIGNING_SIMPLE_PASSWD "putyourpasswordhere" //#define MY_SIGNING_SOFT_RANDOMSEED_PIN A7 // setting a pin to pickup noise makes encryption more secure. // Choose if you want this sensor to also be a repeater. //#define MY_REPEATER_FEATURE // Just remove the two slashes at the beginning of this line to also enable this sensor to act as a repeater for other sensors. If this node is on battery power, you probably shouldn't enable this. // LIBRARIES (in the Arduino IDE go to Sketch -> Include Library -> Manage Libraries to add these if you don't have them installed yet.) #include <MySensors.h> #include "Adafruit_MAX31855.h" // VARIABLES YOU CAN CHANGE #define RELAY_ON 0 // GPIO value to write to turn on attached relay. Some relays are reversed. #define RELAY_OFF 1 // GPIO value to write to turn off attached relay Some relays are reversed. #define HEATER_RELAY_PIN 14 // Arduino Digital I/O pin number for heater relay. 14 = A0, 19 = A5 (A6 and A7 are input only) #define MAXDOA 3 // Pins for the two K-type sensors. #define MAXCSA 4 // Pins for the two K-type sensors. #define MAXCLKA 5 // Pins for the two K-type sensors. #define MAXDOB 6 // Pins for the two K-type sensors. #define MAXCSB 7 // Pins for the two K-type sensors. #define MAXCLKB 8 // Pins for the two K-type sensors. #define ASECOND 4000 // How long does a second take? (default is 1000 milliseconds) #define SAFEGUARD_TEMP 160 // Maximum temperature (currently in celcius) that may be detected before the relay is shutdown. #define RETURNTONORMAL_TEMP 100 // After a safeguard shutdown, at what cooled down temperature (currently in celcius) should the system go back to normal state? #define MAXIMUMCONNECTIONLOSSCOUNT 6 // How many safetycheck will we allow the connected to be down? (6 = 60 seconds) #define MAXIMUMTEMPERATURESENSORERRORS 100 // How many faulty measurements to accept per 10 second period. A faulty sensor will give one error per second. #define SECURITYCHECKINTERVAL 15 // How many seconds before a new security check is performed //VARIABLES YOU PROBABLY SHOULDN'T CHANGE #define TEXT_CHILD_ID 1 // for MySensors. Within a node each sensor/actuator should have its own ID number. #define THERMOSTAT_CHILD_ID 2 #define TEMP_A_CHILD_ID 3 #define TEMP_B_CHILD_ID 4 #define TEMP_C_CHILD_ID 5 // Internal temperature sensor #define POWER_CHILD_ID 6 // The PID's current power output level, as a percentage. #define MEATTARGET_CHILD_ID 7 byte powerPercentage = 0; // The PID's current power output level (relative to the output_max), recalculated as a percentage. boolean meatTemperatureReached = false; // Changes to true when the meat has reached the desired temperature. //boolean runEverySecondThings = true; // this moves the things that are done every second to beyond the part of the second where the device is heating. // initialize the Thermocouple Adafruit_MAX31855 thermocouple(MAXCLKA, MAXCSA, MAXDOA); // This is the enclosure thermometer. This temperature is used to safety checks. Adafruit_MAX31855 thermocoupleb(MAXCLKB, MAXCSB, MAXDOB); // This is the mean temperature. // Security variables boolean runSafetyCheck = true; boolean safetyShutdown = true; // Set to true if something is wrong with the system. This then turns off the relay. boolean targetTooHot = false; // A safety feature. If the device somehow gets really hot, disable the heater. byte connectionLossCounter = 0; // How often did a request to the controller not result in any response? byte tempSensorErrorCount = 0; // How often did the temperature sensor give an error? // Mysensors settings MyMessage statusMsg(TEXT_CHILD_ID,V_TEXT); // Sets up the message format that we'll be sending to the MySensors gateway later. The first part is the ID of the specific sensor module on this node. The second part tells the gateway what kind of data to expect. MyMessage thermostatMsg(THERMOSTAT_CHILD_ID, V_HVAC_SETPOINT_HEAT); MyMessage temperatureMsg(TEMP_A_CHILD_ID, V_TEMP); MyMessage powerMsg(POWER_CHILD_ID, V_PERCENTAGE); // the current powerlevel of the heater, as a percentage. void before() { pinMode(HEATER_RELAY_PIN, OUTPUT); digitalWrite(HEATER_RELAY_PIN, RELAY_OFF); } void setup() { Serial.begin(115200); // for serial debugging. delay(500); Serial.println(F("starting smoker")); // autopid extra options myPID.setTimeStep(ASECOND); myPID.setBangBang(ACTIVATIONTEMPERATURERANGE); // if temperature is more than X degrees below or above setpoint, OUTPUT will be set to min or max respectively. // myPID.setTimeStep(WindowSize); // set autoPID update interval. Currently once every loop. // myPID.setOutputRange(0,maxOutputTime); // what range should the output be between? Maximum size can be the entire loop time. (perhaps this could make the cripledelay superfluous? Just set this to 60% of the window size?) // myPID.SetOutputLimits(0, WindowSize); // tell the PID to range between 0 and the full window size #ifdef HASOLEDSCREEN oled.begin(&Adafruit128x64, OLED_I2C_ADDRESS); oled.setFont(Adafruit5x7); //oled.set2X(); // big letters oled.ssd1306WriteCmd(SSD1306_DISPLAYON); //oled.setScroll(true); oled.setCursor(0,0); oled.print(F("Smoker 1.6")); delay(1000); #endif if(isTransportReady()){ Serial.println(F("Connected to gateway!")); #ifdef HASOLEDSCREEN oled.setCursor(90,0); oled.print(F("W")); #endif send(statusMsg.setSensor(TEXT_CHILD_ID).set( F("Smoker starting") )); //send(thermostatMsg.setSensor(THERMOSTAT_CHILD_ID).set(smokerSetpoint,2)); // should that 2 be a one? Only one decimal? Hmm send(powerMsg.set(powerPercentage)); //send(thermostatMsg.setSensor(MEATTARGET_CHILD_ID).set(meatSetpoint,2)); request(THERMOSTAT_CHILD_ID,V_HVAC_SETPOINT_HEAT); request(MEATTARGET_CHILD_ID,V_HVAC_SETPOINT_HEAT); }else{ Serial.println(F("! NO CONNECTION")); } } void presentation() { // Send the sketch version information to the gateway and Controller sendSketchInfo("PID Smoker", "1.6"); present(TEXT_CHILD_ID, S_INFO,"status"); present(THERMOSTAT_CHILD_ID, S_HEATER, "SmokerSetpoint"); present(TEMP_A_CHILD_ID, S_TEMP, "Temperature A"); present(TEMP_B_CHILD_ID, S_TEMP, "Temperature B"); present(TEMP_C_CHILD_ID, S_TEMP, "Temperature internal"); present(POWER_CHILD_ID, S_DIMMER, "Powerlevel"); present(MEATTARGET_CHILD_ID, S_HEATER, "Meat target temperature"); } void loop() { // the clock static unsigned long lastClockTick = 0; // When was the last second of the clock. static byte secondCounter = 0; // How many seconds have passed // // A. // CONTINUOUSLY // call the PID function, check if the heating element should be on or off. // if (safetyShutdown == true) { myPID.stop(); digitalWrite(HEATER_RELAY_PIN, RELAY_OFF); } else { myPID.run(); //autopid, call every loop, updates automatically at certain time interval //if (ASECOND - (millis() - lastClockTick) < Output{ if ((millis() - lastClockTick) < Output){ digitalWrite(HEATER_RELAY_PIN, RELAY_ON); Serial.print(F("|")); }else{ digitalWrite(HEATER_RELAY_PIN, RELAY_OFF); Serial.print(F("_")); } delay(100); /* if(temperatureB > smokerSetpoint){ digitalWrite(HEATER_RELAY_PIN, RELAY_ON); }else{ digitalWrite(HEATER_RELAY_PIN, RELAY_OFF); } */ } // // B. // EVERY SECOND // check temperature, calculate new PID value, update display. // if(millis() - lastClockTick >= ASECOND) { lastClockTick = millis(); secondCounter++; //runEverySecondThings = true; Serial.println(); if(secondCounter > SECURITYCHECKINTERVAL){ secondCounter = 0; runSafetyCheck = true; } Serial.print(F("#"));Serial.println(secondCounter); //} //if(runEverySecondThings == true && millis() - lastClockTick >= OUTPUT_MAX + 10){ // this moves all the calculations for getting temperature and pdating the screen to the part of the second loop after the heating is finished. // this moves all the calculations for getting temperature and pdating the screen to the part of the second loop after the heating is finished. // output the value form the PID algorithm. Serial.println(); Serial.print(F("output: ")); Serial.println(Output); powerPercentage = map(Output, 0, OUTPUT_MAX, 0, 100); Serial.print(F("power percentage: ")); Serial.println(powerPercentage); // getting latest temperature data double temperatureAreading = 0;//thermocouple.readCelsius(); double temperatureBreading = thermocoupleb.readCelsius(); temperatureC = thermocouple.readInternal(); Serial.print(F("A: "));Serial.println(temperatureA); Serial.print(F("B: "));Serial.println(temperatureB); Serial.print(F("Int: "));Serial.println(temperatureC); // Check if the temperature values are realistic, or that they indicate a sensor problem. if (isnan(temperatureAreading) || temperatureAreading == 0) { tempSensorErrorCount++; } else { temperatureA = temperatureAreading; // avoiding NaN } if (isnan(temperatureBreading) || temperatureBreading == 0) { tempSensorErrorCount++; } else { temperatureB = temperatureBreading; // This makes sure the PID algorithms is only fed with real temperatures. } if (isnan(temperatureC) || temperatureC == 0) { tempSensorErrorCount++; } // every second update the display #ifdef HASOLEDSCREEN if(safetyShutdown == false){ //oled.set2X(); oled.setCursor(0,0); if(myPID.atSetPoint(ACTIVATIONTEMPERATURERANGE)){ oled.print(F("PID:")); }else{ oled.print(F("PRE:")); } oled.print(powerPercentage); oled.print(F("% ")); //}else{ // if(temperatureB < smokerSetpoint){ // oled.print(F("HEAT: ")); oled.print(powerPercentage); oled.print(F("% ")); // }else{ // oled.print(F("COOLING")); // } //} // show temperature sensor values oled.set2X(); oled.setCursor(0,2); oled.print(F("Pot: ")); oled.print(temperatureB); oled.println(F(" ")); oled.setCursor(0,5); oled.print(F("Meat:")); oled.print(temperatureA); oled.println(F(" ")); // show setpoint target temperatures oled.set1X(); oled.setCursor(60,4); oled.print(F("-> ")); oled.print(smokerSetpoint); oled.setCursor(60,7); oled.print(F("-> ")); oled.print(meatSetpoint); // show wireless connection icon (if there is a connection) oled.setCursor(90,0); if(connectionLossCounter > 1){ // If the connection is bad, hide the wireless icon. oled.print(F(" ")); } //show second counter oled.setCursor(100,0); oled.print(secondCounter); oled.print(F(" ")); } #endif // some debug options. //double pulseLength = myPID.getPulseValue(); //Serial.print(F("pulse value: ")); Serial.println(pulseLength); double integraal = myPID.getIntegral(); Serial.print(F("integraal: ")); Serial.println(integraal); //runEverySecondThings = false; } // end of the part that runs every second // // C. // EVERY TEN SECONDS // safety check, communicate with server, is the meat hot? // if(runSafetyCheck == true){ // the second part moves this work to beyond the heating part of the cycle. This way it shouldn't influence the heating length, and this the PID calculations. Serial.println(F("")); Serial.println(F("STARTING SAFETY CHECK ETC")); runSafetyCheck = false; // A. // CHECKING - Every 10 seconds we do a safety check. // is the server up? connectionLossCounter++; if ( connectionLossCounter > 250 ) { connectionLossCounter = 251; } // get latest setpoint values. (might not be required, some controllers send this when the values update.) //request(THERMOSTAT_CHILD_ID,V_HVAC_SETPOINT_HEAT); // every 10 seconds, request the latest smokerSetpoint data. Also used to check if the wireless connection if still alive. In theory domoticz should now pro-actively send the new data to the node, so then this code is just useful to check the connection. //request(MEATTARGET_CHILD_ID,V_HVAC_SETPOINT_HEAT); // check connection if(connectionLossCounter > MAXIMUMCONNECTIONLOSSCOUNT){ // connected lost for X amount of safety checks. Serial.println(F("! LOST CONNECTION TO SERVER")); #ifdef HASOLEDSCREEN oled.setScroll(true); oled.println(F("NO CONNECTION")); #endif } // heater not too hot? if(temperatureA > SAFEGUARD_TEMP || temperatureB > SAFEGUARD_TEMP){ targetTooHot = true; Serial.println(F("! TOO HOT")); #ifdef HASOLEDSCREEN oled.setScroll(true); oled.println(F("TOO HOT")); #endif } // Not too many errors with the temperature sensor(s)? Serial.print(F("tempSensorErrorCount: ")); Serial.println(tempSensorErrorCount); if(tempSensorErrorCount > MAXIMUMTEMPERATURESENSORERRORS){ Serial.println(F("TEMPERATURE SENSOR ERROR")); #ifdef HASOLEDSCREEN oled.setScroll(true); oled.println(F("SENSOR ERROR")); #endif } // B. // HEALING - Some functions might return, and then the system could return to normal. // It has cooled down enough if(safetyShutdown == true && targetTooHot == true && temperatureB > RETURNTONORMAL_TEMP){ // For safety, the "return to normal" temperature is lower than the maximum room temperature. This avoids flip-flopping. Serial.println(F("too hot, cooling down")); #ifdef HASOLEDSCREEN oled.println(F("COOLING DOWN!")); #endif }else if(targetTooHot == true && temperatureB <= RETURNTONORMAL_TEMP){ targetTooHot = false; } // C. // DECIDE IF OPERATION IS SAFE #ifdef DONTCHECKCONNECTION connectionLossCounter = 0; // pretend there is no connection error, even if there is. #endif if(tempSensorErrorCount > MAXIMUMTEMPERATURESENSORERRORS || connectionLossCounter > MAXIMUMCONNECTIONLOSSCOUNT || targetTooHot == true){ // Decision: something is wrong, so SHUTDOWN the relay. Serial.println(F("! ERROR DETECTED")); if(safetyShutdown == false){ // first time that the error is detected send(statusMsg.setSensor(TEXT_CHILD_ID).set( F("ERROR") )); } safetyShutdown = true; Serial.println(F("CURRENTLY IN SAFETY SHUTDOWN MODE")); #ifdef HASOLEDSCREEN oled.setScroll(true); oled.println(F("SAFETY SHUTDOWN!")); #endif }else{ // Decision: everything looks OK. Serial.println(F("EVERYTHING LOOKS OK")); if(safetyShutdown == true){ send(statusMsg.setSensor(TEXT_CHILD_ID).set( F("SMOKER OK") )); Serial.println(F("heater is ok again")); #ifdef HASOLEDSCREEN oled.setScroll(false); // the scrollmode causes flickering of the screen. For normal operation, the display function only redraws parts of the screen. #endif } safetyShutdown = false; } tempSensorErrorCount = 0; // reset for next round of counting. // send the temperature data to the controller if(!isnan(temperatureB)){ Serial.println(F("sending temp B to controller")); send(temperatureMsg.setSensor(TEMP_B_CHILD_ID).set(temperatureB, 1)); } if(!isnan(temperatureA)){ Serial.println(F("sending temp A to controller")); send(temperatureMsg.setSensor(TEMP_A_CHILD_ID).set(temperatureA, 1)); } if(!isnan(temperatureC)){ Serial.println(F("sending temp C to controller")); send(temperatureMsg.setSensor(TEMP_C_CHILD_ID).set(temperatureC, 1)); } } // end of the part that runs every 10 seconds } // end of main loop void receive(const MyMessage &message){ Serial.println(F("+++receiving message+++")); connectionLossCounter = 0; // reset the counter, indicating we have recently connected to the controller. #ifdef HASOLEDSCREEN // show wireless connection icon oled.set1X(); oled.setCursor(90,0); oled.print(F("W")); #endif /* if (message.type == V_TEXT && message.sensor == THERMOSTAT_CHILD_ID) { Serial.print(F("Received text data: ")); Serial.println(message.data); // Not doing anything with this. }*/ if (message.type == V_HVAC_SETPOINT_HEAT) { if(message.sensor == THERMOSTAT_CHILD_ID){ smokerSetpoint = atof(message.data); Serial.print(F("smokerSetpoint: ")); Serial.println(smokerSetpoint); send(thermostatMsg.setSensor(THERMOSTAT_CHILD_ID).set(smokerSetpoint,2)); // this fixes a bug in domoticz where the display in domoticz doesn't itself update the new setpoint. } if(message.sensor == MEATTARGET_CHILD_ID){ meatSetpoint = atof(message.data); Serial.print(F("meatSetpoint: ")); Serial.println(meatSetpoint); send(thermostatMsg.setSensor(MEATTARGET_CHILD_ID).set(meatSetpoint,2)); // this fixes a bug in domoticz where the display in domoticz doesn't itself update the new setpoint. } } }
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  RS485 Gatway with relay and DS18B20 sensors
  10 Feb 2019, 13:00 • butaluk   12 Feb 2019, 19:26

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  12 Feb 2019, 19:26

  Thank you for your support! It now works without losing some switching commands. I have adapted the Gateway software according to your suggestions. And in the fhem, I defined the devices as follows: define MYSENSOR_10 MYSENSORS_DEVICE 10 setuuid MYSENSOR_10 5c61b043-f33f-3ee4-4a0b-da4876cebf4faa94 attr MYSENSOR_10 IODev meinMSG attr MYSENSOR_10 mapReading_id4 4 id attr MYSENSOR_10 mapReading_id5 5 id attr MYSENSOR_10 mapReading_id6 6 id attr MYSENSOR_10 mapReading_id7 7 id attr MYSENSOR_10 mapReading_power 0 power attr MYSENSOR_10 mapReading_power1 1 power attr MYSENSOR_10 mapReading_power2 2 power attr MYSENSOR_10 mapReading_power3 3 power attr MYSENSOR_10 mapReading_status 0 status attr MYSENSOR_10 mapReading_status1 1 status attr MYSENSOR_10 mapReading_status2 2 status attr MYSENSOR_10 mapReading_status3 3 status attr MYSENSOR_10 mapReading_temperature4 4 temperature attr MYSENSOR_10 mapReading_temperature5 5 temperature attr MYSENSOR_10 mapReading_temperature6 6 temperature attr MYSENSOR_10 mapReading_temperature7 7 temperature attr MYSENSOR_10 mode node attr MYSENSOR_10 requestAck 1 attr MYSENSOR_10 room Heizung_OG attr MYSENSOR_10 setReading_power 1 attr MYSENSOR_10 setReading_power1 1 attr MYSENSOR_10 setReading_power2 1 attr MYSENSOR_10 setReading_power3 1 attr MYSENSOR_10 setReading_status off,on attr MYSENSOR_10 setReading_status1 off,on attr MYSENSOR_10 setReading_status2 off,on attr MYSENSOR_10 setReading_status3 off,on To control the relays individually, I defined a "readingsProxy" for each relay: define Relais1 readingsProxy MYSENSOR_10:status attr Relais1 devStateIcon on:sani_heating_level_100@red:off off:sani_heating_level_0@#18B8ED:on attr Relais1 group Heizungskreise, attr Relais1 room Heizung_OG attr Relais1 setFn {($CMD eq "on")?"status on":"status off"} attr Relais1 setList on off Thank you!
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  'Mysensor' a smoke detector with sound detection
  28 Jan 2019, 02:54 • ileneken3   9 Feb 2019, 01:51

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  9 Feb 2019, 01:51

  @tmaster Actually, the KY-038 works exactly what I want (except for the power consumption). I also have ones that are connect to mains power, and the false alarms are rare. Also, I have the Arduino programmed to sleep some time after detecting a sound and sending a message. In the case of a real alarm, it will keep sending regularly, which would make it obvious. The "batteries just end in a few months" is what I'm asking about - avoiding the .4ma used by the LM393. I'm hoping I can replace it with the LMV393, but I'm not sure if it will work. Regarding the "you think you are safe", Mysensors has heartbeats, and battery percentage reporting to deal with all that.
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  UV skin type sensor
  3 Feb 2019, 17:50 • Teecee1337   3 Feb 2019, 19:31

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  3 Feb 2019, 19:31

  @teecee1337 hi, and welcome to the forum! As the proof of the pudding is in the reading I would order some sensors and just give it a try. The sparkfun sensors seem easy to get started. They communicate through i2c and come with an Arduino library so it should be easy to get some readings out.
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  A sensor to detect breathing
  8 Jan 2019, 21:19 • absolem   15 Jan 2019, 17:57

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  15 Jan 2019, 17:57

  @artag Yes I agree, the anemometer should also have a very short responsetime, so it's possible to sense breathing
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  Boiler control from MAX! Cube to Drayton Boiler via Raspberry Pi/Vera/Mysensors.
  29 Nov 2015, 18:09 • stephenmhall   13 Jan 2019, 13:55

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  13 Jan 2019, 13:55

  Ok, it works. Looks like the problem was caused by windows sensors that were not connected but initialized, so they were missing. I removed them in the MAX software and then everything was displayed correctly. Thank you for this great project!
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  coin-cell (CR2032) powered temperature sensor
  16 Aug 2015, 09:49 • fleinze   7 Jan 2019, 14:25

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  7 Jan 2019, 14:25

  Hello fleinze, What about this project? Your sensors still working? I'm trying to build the same but I have some problem to change the efuse value: "I changed the efuse value to 0x07 (BOD off)" I' dont know how to edit the boards.txt file and how to install it in the arduino pro mini. Could you explain the procedure step by step or link me a good complete tutorial ? Thank you very much
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  My very first mysensors node!
  8 Nov 2018, 14:12 • Misna   5 Jan 2019, 12:06

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  5 Jan 2019, 12:06

  I have problem now with Home Assistant and this node. It works perfectly reading temperature, humidity and the door status. But with the light switch if HA goes to a state where light status is "on" but brightness is "0" it doesn't respond until I manually set the brightness to "100". I tried this with mysensors library version 2.3.1 and 2.2.0 but the behaviour is the same. My gateway version is 2.1.0 Here is the code for the node. There is nothing special on HA end. I'm running hass.io latest version 0.84.6 and lovelace GUI. Sorry for the comments in the code, they are part english and part finnish Just this issue to solve and one package from China and I'll get the power supplys and nodes ready. Then pretty soon I'll have 10 mysensors nodes running! I already started with some Sonoff's in the middle froor, four now installed and one waiting for a suitable application. /* * NODE ID: 2 * Tämä on alasisäeteisen node jossa on: * - DHT22 -> lämpö ja kosteus * - Releohjaus sisäeteisen valoille (kytkin+rele) * - Ovitunnistin (hall-anturi) * Kytkennät: * - 5=DHT22 * - 4=Releohjaus * - 3=Yläkerran valokytkin * - 6=Alakerran valokytkin * - 2=Ovitunnistin */ // Enable debug prints //#define MY_DEBUG // Noden ID (oltava kaikissa eri!!) #define MY_NODE_ID 2 // Enable and select radio type attached #define MY_RADIO_RF24 //#define MY_RADIO_RFM69 #define MY_REPEATER_FEATURE #include <SPI.h> #include <MySensors.h> #include <Bounce2.h> #include <DHT.h> #include <SimpleTimer.h> #define DOOR_PIN 2 // Ovikytkin #define BUTTON_PIN 3 // Yläkerran valokytkin #define BUTTON_PIN_2 6 // Alakerran valokytkin #define RELAY_PIN 4 // Rele (valo) #define DHT_DATA_PIN 5 // Lämpötila-anturi DHT22 #define CHILD_ID_LIGHT 1 #define CHILD_ID_HUM 2 #define CHILD_ID_TEMP 3 #define CHILD_ID_DOOR 4 #define LIGHT_OFF 0 #define LIGHT_ON 1 #define RELAY_ON 0 #define RELAY_OFF 1 #define DOOR_CLOSED 0 #define DOOR_OPEN 1 #define SENSOR_TEMP_OFFSET 0 // DHT22 lämpötilan offsetti #define SN "kellari_sisaeteinen" #define SV "1.2" // Force sending an update of the temperature after n sensor reads, so a controller showing the // timestamp of the last update doesn't show something like 3 hours in the unlikely case, that // the value didn't change since; // i.e. the sensor would force sending an update every UPDATE_INTERVAL*FORCE_UPDATE_N_READS [ms] static const uint8_t FORCE_UPDATE_N_READS = 10; float lastTemp; float lastHum; uint8_t nNoUpdatesTemp; uint8_t nNoUpdatesHum; bool metric = true; int16_t last_state = LIGHT_OFF; int16_t last_dim = 0; // Yläkerran valokytkimen luku Bounce debouncer = Bounce(); // Alakerran valokytkimen luku Bounce debouncer_2 = Bounce(); // Ovikytkimen luku Bounce ovidebouncer = Bounce(); // Lämpötila-anturin oliot DHT dht; SimpleTimer timer; MyMessage light_msg( CHILD_ID_LIGHT, V_STATUS ); MyMessage dimmer_msg( CHILD_ID_LIGHT, V_PERCENTAGE ); MyMessage msgHum(CHILD_ID_HUM, V_HUM); MyMessage msgTemp(CHILD_ID_TEMP, V_TEMP); MyMessage msgOvi(CHILD_ID_DOOR, V_TRIPPED); void setup() { dht.setup(DHT_DATA_PIN); // set data pin of DHT sensor // Sleep for the time of the minimum sampling period to give the sensor time to power up // (otherwise, timeout errors might occure for the first reading) sleep(dht.getMinimumSamplingPeriod()); update_light(); //Serial.println( "Node ready to receive messages..." ); // Setup the buttons pinMode(BUTTON_PIN,INPUT); pinMode(BUTTON_PIN_2,INPUT); // Activate internal pull-up digitalWrite(BUTTON_PIN,HIGH); digitalWrite(BUTTON_PIN_2,HIGH); // Make sure relays are off when starting up digitalWrite(RELAY_PIN, RELAY_OFF); // Then set relay pins in output mode pinMode(RELAY_PIN, OUTPUT); // Yläkerran valokytkin debouncer.attach(BUTTON_PIN, INPUT_PULLUP); debouncer.interval(25); // Alakerran valokytkin debouncer_2.attach(BUTTON_PIN_2, INPUT_PULLUP); debouncer_2.interval(25); // Ovikytkin ovidebouncer.attach(DOOR_PIN, INPUT_PULLUP); ovidebouncer.interval(25); // Timer lämpötila-anturin lukemista varten (millisekunteja) eli luetaan 1min välein timer.setInterval(60000, lampotilaLuku); } void loop() { //In MySensors2.x, first message must come from within loop() static bool first_message_sent = false; if ( first_message_sent == false ) { //Serial.println( "Sending initial state..." ); send_dimmer_message(); send_status_message(); lampotilaLuku(); send(msgOvi.set(DOOR_CLOSED)); first_message_sent = true; } debouncer.update(); // Update the Bounce instance (yläkerran valokytkin) // Laskevan reunan tunnistus (yläkerran valokytkin) if ( debouncer.fell() ) { //Serial.println( "Laskeva reuna" ); nappiPainettu(); // Valon ohjaus } // Nousevan reunan tunnistus (yläkerran valokytkin) if ( debouncer.rose() ) { //Serial.println( "Nouseva reuna" ); nappiPainettu(); // Valon ohjaus } debouncer_2.update(); // Update the Bounce instance (alakerran valokytkin) // Laskevan reunan tunnistus (alakerran valokytkin) if ( debouncer_2.fell() ) { //Serial.println( "Laskeva reuna" ); nappiPainettu(); // Valon ohjaus } // Nousevan reunan tunnistus (alakerran valokytkin) if ( debouncer_2.rose() ) { //Serial.println( "Nouseva reuna" ); nappiPainettu(); // Valon ohjaus } // Ovitunnistimen luku if (ovidebouncer.update()) { // Get the update value. int value = ovidebouncer.read(); // Send in the new value. //Serial.println( "Oven status muuttui" ); send(msgOvi.set(value==HIGH ? 1 : 0)); } // Lämpötila-anturin timer pyörii.. timer.run(); } void presentation() { // Send the sketch version information to the gateway sendSketchInfo( SN, SV ); present( CHILD_ID_LIGHT, S_DIMMER ); present(CHILD_ID_HUM, S_HUM); present(CHILD_ID_TEMP, S_TEMP); present(CHILD_ID_DOOR, S_DOOR); metric = true; // Lämpötila-anturi } // Vastaanotetaan HA:lta komentoja void receive(const MyMessage &message) { //When receiving a V_STATUS command, switch the light between OFF //and the last received dimmer value // Tämä on ON/OFF viesti HA:lta if ( message.type == V_STATUS ) { //Serial.println( "V_STATUS command received..." ); int lstate = message.getInt(); if (( lstate < 0 ) || ( lstate > 1 )) { //Serial.println( "V_STATUS data invalid (should be 0/1)" ); return; } last_state = lstate; //If last dimmer state is zero, set dimmer to 100 if (( last_state == LIGHT_ON ) && ( last_dim == 0 )) { last_dim=100; } //Update constroller status send_status_message(); } // Tämä on himmennys viesti HA:lta else if ( message.type == V_PERCENTAGE ) { //Serial.println( "V_PERCENTAGE command received..." ); int dim_value = constrain( message.getInt(), 0, 100 ); if ( dim_value == 0 ) { last_state = LIGHT_OFF; //Update constroller with dimmer value & status send_dimmer_message(); send_status_message(); } else { last_state = LIGHT_ON; last_dim = dim_value; //Update constroller with dimmer value send_dimmer_message(); } } else { //Serial.println( "Invalid command received..." ); return; } //Here you set the actual light state/level update_light(); } // Releen ohjaus statuksen perusteella void update_light() { if ( last_state == LIGHT_OFF ) { //Serial.println( "Light state: OFF" ); digitalWrite(RELAY_PIN, RELAY_OFF); } else { //Serial.print( "Light state: ON, Level: " ); //Serial.println( last_dim ); digitalWrite(RELAY_PIN, RELAY_ON); } } // Lähetetään HA:lle dimmer arvo void send_dimmer_message() { send( dimmer_msg.set( last_dim ) ); } // Lähetetään HA:lle valon status (ON/OFF) void send_status_message() { if ( last_state == LIGHT_OFF ) { send( light_msg.set( (int16_t)0) ); } else { send( light_msg.set( (int16_t)1) ); } } // Luetaan DHT22 arvot void lampotilaLuku() { // Force reading sensor, so it works also after sleep() dht.readSensor(true); // Get temperature from DHT library float temperature = dht.getTemperature(); if (isnan(temperature)) { //Serial.println("Failed reading temperature from DHT!"); } else if (temperature != lastTemp || nNoUpdatesTemp == FORCE_UPDATE_N_READS) { // Only send temperature if it changed since the last measurement or if we didn't send an update for n times lastTemp = temperature; if (!metric) { temperature = dht.toFahrenheit(temperature); } // Reset no updates counter nNoUpdatesTemp = 0; temperature += SENSOR_TEMP_OFFSET; send(msgTemp.set(temperature, 1)); #ifdef MY_DEBUG //Serial.print("T: "); //Serial.println(temperature); #endif } else { // Increase no update counter if the temperature stayed the same nNoUpdatesTemp++; } // Get humidity from DHT library float humidity = dht.getHumidity(); if (isnan(humidity)) { //Serial.println("Failed reading humidity from DHT"); } else if (humidity != lastHum || nNoUpdatesHum == FORCE_UPDATE_N_READS) { // Only send humidity if it changed since the last measurement or if we didn't send an update for n times lastHum = humidity; // Reset no updates counter nNoUpdatesHum = 0; send(msgHum.set(humidity, 1)); #ifdef MY_DEBUG //Serial.print("H: "); //Serial.println(humidity); #endif } else { // Increase no update counter if the humidity stayed the same nNoUpdatesHum++; } } // Napin painon jälkeen valon ohjaus ja statuksen päivitys void nappiPainettu() { if (last_state == LIGHT_ON) { //Serial.println( "Valo OFF napista" ); last_state = LIGHT_OFF; last_dim=0; update_light(); // Releen toggle } else { //Serial.println( "Valo ON napista" ); last_state = LIGHT_ON; last_dim=100; update_light(); // Releen toggle } //Serial.println( "Lahetetaan HA:lle uusi status" ); send_status_message(); // Lähetä HA:lle uusi status (ON/OFF) send_dimmer_message(); // Lähetä HA:lle uusi dim arvo (0/100) } Here are parts concerning from configuration.yaml file: # Mysensors serial gateway config mysensors: gateways: - device: '/dev/ttyACM0' baud_rate: 115200 persistence_file: '/config/mysensors.json' optimistic: false persistence: true version: 2.0
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  ESP32 based IoT gateway/control hub with TFT, touch, RFM69 and more..
  26 Dec 2018, 15:03 • Martin Harizanov   3 Jan 2019, 12:49

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  3 Jan 2019, 12:49

  @nca78 said in ESP32 based IoT gateway/control hub with TFT, touch, RFM69 and more..: Bodmer TFT eSPI Bodmer TFT eSPI is just a normal SPI driver, well maybe optimized a bit. The key to speed (IMHO) is to use double frame buffer and DMA for the SPI, that leaves the CPU free to process the next frame while the hardware does the SPI transfer. I am not aware of such TFT library for Arduino.
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  Sensor required to detect PVC insulated COPPER wire
  24 Nov 2018, 07:30 • yemesvee   2 Jan 2019, 22:21

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  2 Jan 2019, 22:21

  @hard-shovel But mesh is on other direction too - parallel with movement and sure not still at the same position and pure parallel. So digital signal can be generated longer time than you expected.
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  PM10 + PM2.5 + UV + Temperature + Humidity + Pressure + Weather Forecast + Light Sensor
  30 Dec 2018, 18:16 • user2684   31 Dec 2018, 02:52

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  31 Dec 2018, 02:52

  @user2684 I forgot to tell you to buy one with a cable. They use a connector with 1.25mm spacing and it is not possible to connect anything else. You can make the cable breadboard friendly by soldering the ends to a 2.54mm header.
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  Reporting an independent float switch and relay
  27 Dec 2018, 00:22 • StKilda   29 Dec 2018, 22:48

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  29 Dec 2018, 22:48

  Success. stole some code from a post a while ago: No concept of how efficient this is, but hey... The MySensors Arduino library handles the wireless radio link and protocol between your home built sensors/actuators and HA controller of choice. The sensors forms a self healing radio network with optional repeaters. Each repeater and gateway builds a routing tables in EEPROM which keeps track of the network topology allowing messages to be routed to nodes. Created by Henrik Ekblad <henrik.ekblad@mysensors.org> Copyright (C) 2013-2018 Sensnology AB Full contributor list: https://github.com/mysensors/MySensors/graphs/contributors Documentation: http://www.mysensors.org Support Forum: http://forum.mysensors.org This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License version 2 as published by the Free Software Foundation. ******************************* REVISION HISTORY Version 1.0 - Henrik Ekblad DESCRIPTION Example sketch showing how to control physical relays. This example will remember relay state after power failure. http://www.mysensors.org/build/relay */ // Enable debug prints to serial monitor #define MY_DEBUG // Enable and select radio type attached #define MY_RADIO_RF24 //#define MY_RADIO_NRF5_ESB //#define MY_RADIO_RFM69 //#define MY_RADIO_RFM95 // Enable repeater functionality for this node //#define MY_REPEATER_FEATURE #include <MyConfig.h> #include <MySensors.h> #include <SPI.h> #define RELAY_PIN 4 // Arduino Digital I/O pin number for first relay (second on pin+1 etc) #define FLOAT_SWITCH_PIN 3 //FLOAT SWITCH PIN #define LED_GRN_PIN 7 #define LED_RED_PIN 8 #define MY_TRANSPORT_WAIT_READY_MS (3000) #define CHILD_ID 4 #define RELAY_ON 1 #define RELAY_OFF 0 boolean lastSensorState; unsigned long lastUpdate; MyMessage msg(CHILD_ID, V_STATUS); void setup() { pinMode(RELAY_PIN, OUTPUT); pinMode(FLOAT_SWITCH_PIN, INPUT); // Define LED pinMode(LED_GRN_PIN, OUTPUT); pinMode(LED_RED_PIN, OUTPUT); } void presentation() { // Send the sketch version information to the gateway and Controller sendSketchInfo("Rollermat", "3.0"); // Register all sensors to gw (they will be created as child devices) present(CHILD_ID, S_BINARY); } void loop() { // LOW corresponds to the float switch being at its highest point (i.e. rollermat is clogged) if(digitalRead(FLOAT_SWITCH_PIN) == LOW) { digitalWrite(RELAY_PIN, RELAY_ON); //turn on the motor digitalWrite(LED_GRN_PIN, LOW); //turns on the Green LED digitalWrite(LED_RED_PIN, HIGH); //turns off the Red LED } //otherwise the float switch is HIGH // HIGH corresponds to the float switch being at its lowest point (i.e. rollermat is clean and water is flowing) else { digitalWrite(RELAY_PIN, RELAY_OFF); //turns off the pump digitalWrite(LED_GRN_PIN, HIGH); //turns off the Green LED digitalWrite(LED_RED_PIN, LOW); //turns on the Red LED } boolean sensorState = digitalRead(FLOAT_SWITCH_PIN); if (sensorState != lastSensorState) { #ifdef DEBUG digitalWrite(FLOAT_SWITCH_PIN,sensorState? HIGH : LOW); Serial.println(sensorState? "Motor On" : "Motor Off"); #endif send(msg.set(sensorState?"1":"0")); // Update gateway on change of state lastSensorState = sensorState; } }
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  Google Home & Amazon Echo -> IFTTT -> Node-Red -> MQTT -> MySensor Light Switch
  25 Dec 2018, 17:35 • Michael Hawkins   25 Dec 2018, 17:35

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  DHT11 sensor with shield LoRa rfm915
  24 Dec 2018, 07:25 • tahsin_06   24 Dec 2018, 08:13

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  Hi @tahsin_06, welcome to the MySensors community! Did you look at the troubleshooting guide? It shows the most common problems and how to troubleshoot them. Could you post the debug output from your gateway and node?
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  Batt/temp/hum/light/6*dig pcb for grabs
  20 Dec 2018, 17:01 • jimmy loyens   20 Dec 2018, 17:58

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  20 Dec 2018, 17:58

  @jimmy-loyens You can post your (hardware) designs on www.openhardware.io, which is the MySensors hardware site!
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  Looking for a good platform to programm webserver linked to webservices
  14 Dec 2018, 07:03 • axillent   16 Dec 2018, 10:11

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  16 Dec 2018, 10:11

  I'm currently learning react.js as my new front end language. I like it so far. Also with react native you can develop native mobile apps. That's on my bucket list for the next holiday.
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  [Need help] Intercom project
  12 Nov 2015, 19:19 • PandaNL   6 Dec 2018, 07:52

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  6 Dec 2018, 07:52

  @orri Did you read the manual? if not read below... In-house telephone light button Each in-house telephone has a light button to actuate a joint staircase or entrance light. https://www.siedle.com/App/WebObjects/XSeMIPS.woa/cms/documentdownload/locale.enGB/did.7750/System_Manual_1%2Bn_technology_136442_EN.pdf
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  plant watering node
  24 Nov 2018, 22:21 • dzjr   3 Dec 2018, 07:56

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  @dzjr Yes it is, in theory. it's a three-way valve. I haven't tested it yet though. For now my plant health monitor just monitors 6 plants. It's part of a large project about privacy in the smart home that I will be revealing in the coming year.
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  Humidifier / Essence oil vaporize - anti dry-out monitor (WIP)
  2 Dec 2018, 22:06 • TheoL   3 Dec 2018, 07:52

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  Wow, this is amazing! Also: congratulations!
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  How do I push Notification within Arduino IDE sketch?
  nodemcu sct-013 • 2 Dec 2018, 16:50 • Goddur   2 Dec 2018, 22:19

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  @goddur I'm sorry my friend. I think this question is not related to MySensors. I've googled it for you. https://www.instructables.com/id/ESP8266-to-IFTTT-Using-Arduino-IDE/
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  AC Mains + Battery powered iOT-Node
  29 Nov 2018, 11:53 • dinamitemic   29 Nov 2018, 11:53

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  Old school phone as doorbell and domoitcs interface!
  16 Nov 2018, 10:51 • SuperKris   21 Nov 2018, 16:42

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  @superkris well, at least someone did : https://hackaday.com/2018/11/20/retro-wall-phone-becomes-a-doorbell-and-so-much-more/#more-333555 Congrats!
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  Monitor Alarm System state (Jablotron)
  6 Feb 2017, 17:31 • sincze   20 Nov 2018, 12:17

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  20 Nov 2018, 12:17

  sorry to bump this old thread. Since i have this jablotron alarm system, in this way i can also get the status of all wireless sensors (doors, etc) connected ?
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  PH Probe code
  11 Feb 2016, 14:46 • stingone   15 Nov 2018, 17:48

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  I'm not a programmer, I can not fix it
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  livolo Glass Panel Touch Light Wall Switch + arduino 433Mhz
  10 Jan 2016, 19:34 • mickaelh51   8 Nov 2018, 14:54

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  Hi All, I'm trying a different approach, on how to use just the top (sensor) part of the livolo touch switch, but at the moment, i'm stuck at the PIC16f690 microcontroller functions in order to power up the LED. I'm using a Livolo VL-C601-2 model and based on the wires on the top part, i tried to make a diagram to batter understand the schematics. (Please note that i'm missing some wires and that i have not drawn all the wires from all the pins as i could not see all of them. If something is wrong, please let me know.) What i don't understand from the diagram below, is how does the PIC16F690 controls the two LEDs (red and blue) using only the RB4 (13) pin. From the datasheet link here i can see that the Pin 13 (RB4) has: RB4/AN10/SDI/SDA and supports IOC Can someone please explain to a noob in electronics how does this work and how does the pic switches from one LED to the other ?
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  Door + flood sensor
  21 Jul 2018, 16:53 • user2684   3 Nov 2018, 15:01

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  @jhussain the board is the one pointed out by @mfalkvidd and as for the wiring it is very simple: the door sensor has one wire connected to pin 3 (since interrupt based) and the other to ground, the flood sensor has one connected to pin 6 (can be any) and the other to ground.
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  Good video and project. I am new to this forum. What other hardware I need to operate lights, etc. as shown in this project? Thanks.
  2 Nov 2018, 06:38 • jhussain   2 Nov 2018, 07:37

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  Hi @jhussain, welcome to the MySensors forum! The controller used is Vera https://www.mysensors.org/controller/vera You can control led lights using this example, or conventional lights using this example.
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  Temp, pressure, humidity + OLED
  29 Aug 2017, 09:08 • jumping   28 Oct 2018, 21:53

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  28 Oct 2018, 21:53

  @skysonic said in Temp, pressure, humidity + OLED: Great project what sketch have you used? i am very interested to make a temprature switch for my kitchen with that kind of display great work thank you! My sketch is based on bme280 temp, hum, pressure sketch plus the oled display. bye
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  18650 / newbie board / boost??
  battery 18650 newbie pcb • 19 Oct 2018, 01:56 • CrankyCoder   21 Oct 2018, 19:25

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  @alexsh1 the reason i am using the 18650's is the fact i have a steady stream of them coming in for my large battery packs. I have a couple hundred that aren't dead but just aren't quite up to to the standard i am putting in my big packs.
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  Using the relay actuator example to light LED directly off the digital outputs?
  21 Oct 2018, 10:54 • StKilda   21 Oct 2018, 10:54

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  hello guys, i am new in IoT, and i need help
  11 Oct 2018, 06:23 • theLearner   11 Oct 2018, 20:41

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  I don't think this is the right forum to ask this question. Try a Node Red forum?
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  Data logger Gateway + 2 wireless temp sensors
  11 Oct 2018, 05:04 • dj_janker   11 Oct 2018, 09:37

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  Welcome to the MySensors community @dj_janker Yes, what you are describing should be fairly straightforward. You could use the receive() function on the gateway to write to the SD card. I would however use 3.3V Pro Mini instead of Nano for the battery powered nodes. See https://www.mysensors.org/build/battery for more information. For the DS18B20 see https://www.mysensors.org/build/temp
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  Wireless bike pumps and computer game using MySensors
  7 Oct 2018, 18:04 • Kokosnoot   7 Oct 2018, 18:26

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  Impressive @Kokosnoot!
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  Supercap Solar Powered Mysensors nodes as cheap as possible
  11 Oct 2017, 12:39 • gohan   3 Oct 2018, 20:03

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  I may misunderstand how they work, but I've had the idea that (super)caps are better in short term high current situations. Like regenerative brakes for robot lawnmowers, not slow drain low power devices. It sounds to me like the life boat is the lifepo4 batteries. I'm all for experiments, so please dont stop, but unless the environmental conditions are intolerable for the batteries, I'd say you found your answer.
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  Powering mote 24/7 using only a supercap and solar
  9 Nov 2016, 20:01 • NeverDie   20 Sept 2018, 19:05

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  20 Sept 2018, 19:05

  what I meant is that they don't actually go to 0v even if you short them as you will always be able to measure some small voltage. I am no expert but my bet is that that 0.5/0.6v is kind of their bottom line where they don't hold any more useful energy below that. For balancing there are SAB Mosfets that help to keep all the supercaps on the same voltage, but the reverse charge issue is the same for all series circuits, also LiPo worn out batteries can get to 0V and then getting reverse charged with all the consequent risk of fire.
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  project for some farming
  17 Sept 2018, 17:43 • CrankyCoder   18 Sept 2018, 16:10

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  18 Sept 2018, 16:10

  @thucar thanks ill check it out
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  Internet of Poultry - Fully automated chicken shed
  22 Jul 2016, 08:22 • stefaanv   17 Sept 2018, 20:48

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  Hello Stefaan, Thanks for sharing your nice project ! How is it with the automatic door and your MySensors controller after 2 years ? Do you improved the code in the meanwhile and do you want to share it again ? I made also an automatic (horizontal sliding) door on my coop with a barebone Arduino and a LDR as sensor, but I want the same functionalities like yours, so I ordered today all the extra necessary parts. Kind regards and thanks in advance, Peter.
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  Clock with temperature, humidity and CO2 level sensors
  18 Jun 2018, 13:12 • user2684   7 Sept 2018, 12:17

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  7 Sept 2018, 12:17

  @zrom69 sorry for the delay! This is because I was using the development version of NodeManager available at https://github.com/mysensors/NodeManager/tree/development where SensorMQ implementation has been completely reviewed. Sorry for not making it clear!
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  Bosch BME680 Sensor
  9 Oct 2017, 17:26 • Heinz   6 Sept 2018, 10:46

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  6 Sept 2018, 10:46

  @sm_ali You can have a look at this lib here https://raw.githubusercontent.com/DFRobot/DFRobot_BME680/master/bme680.c there is code that handles the calib thing
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  Irrigation Controller
  1 Apr 2017, 05:19 • itbeyond   3 Sept 2018, 05:48

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  @itbeyond Hi David, thanks for the code. I have an issue with the transformer as it get very hot, and am trying to use the same arduino to control another relay to turn on the tranformer before irrigation and turn the relay off after finishing the irrigation. Please, will appreciate your help pointing out what changes to the code are needed. I was trying to use an analogic pin as digital but am having unexpected results... pinout(A0, OUTPUT); digitalWrite(A0, HIGH); Thanks for any help.
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  Problem with 2nd register heating
  12 Jun 2018, 10:59 • annujbhatia   29 Aug 2018, 18:54

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  29 Aug 2018, 18:54

  @annujbhatia , did you manage to connect it right? I have the same challenge as I have 9 zones. https://www.arduino.cc/en/Tutorial/ShiftOut should be the guidance I suppose
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  domoticz arduino usb
  28 Aug 2018, 09:45 • d-dow   28 Aug 2018, 10:34

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  28 Aug 2018, 10:34

  Locking this topic since the same question was posted in https://forum.mysensors.org/topic/9658/domoticz-arduino-usb/ Feel free to continue the discussion there.
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  How To: Make a Simple/Cheap Scene Controller (with video)
  16 Sept 2015, 19:12 • petewill   27 Aug 2018, 17:28

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  27 Aug 2018, 17:28

  I want to use this mysensors touch sensor to adjust a selector switch in domoticz, so if I select scene 1 the selector switch in Domoticz goes to 10%, and scene 2 to 20% and so on. Is that possible and how do I do that?
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  Ceiling fan/light node
  1 May 2018, 00:37 • dbemowsk   27 Aug 2018, 05:38

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  @dbemowsk Any progress I want to do this as well?
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  LSM9DS1 Caliberation test
  16 Aug 2018, 05:37 • Alisha191   16 Aug 2018, 05:37

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  STM32f303k8t6 Nucleo board with DS18S20 Temp sensor.
  15 Aug 2018, 12:19 • litunbls   15 Aug 2018, 17:47

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  15 Aug 2018, 17:47

  @litunbls This forum is Arduino only really... Search the web or convert an Arduino library so it can be compiled in Keil.
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  GUVA-S12SD UV sensor sketch
  14 Aug 2018, 16:50 • tonbor   15 Aug 2018, 06:05

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  /** DESCRIPTION Sensor: CJMCU-GUVA-S12SD/CJMCU-S12D Sensor Arduino SIG -> A0 GND -> GND VCC -> 5V or 3.3v part created by Henrik Ekblad henrik.ekblad@mysensors.org Copyright (C) 2013-2015 Sensnology AB Full contributor list: https://github.com/mysensors/Arduino/graphs/contributors part Original link : CSDN 博客链接. part by Tonbor august 2018 */ // Enable debug prints to serial monitor #define MY_DEBUG // Enable and select radio type attached #define MY_RADIO_NRF24 //#define MY_RADIO_NRF5_ESB //#define MY_RADIO_RFM69 //#define MY_RADIO_RFM95 #include <MySensors.h> #define UV_SENSOR_ANALOG_PIN 0 #define CHILD_ID_UV 0 uint32_t SLEEP_TIME = 30*1000; // Sleep time between reads (in milliseconds) MyMessage uvMsg(CHILD_ID_UV, V_UV); int lastSend =0; int sensorValue; long sum = 0; int vout = 0; int uv = 0; int lastUV = -1; void presentation() { // Send the sketch version information to the gateway and Controller sendSketchInfo("UV Sensor", "1.3"); // Register all sensors to gateway (they will be created as child devices) present(CHILD_ID_UV, S_UV); } void setup() { Serial.begin(115000); } void loop() { uint32_t currentTime = millis(); sensorValue = 0; sum = 0; for (int i = 0 ; i < 1024 ; i++ ) { sensorValue = analogRead(UV_SENSOR_ANALOG_PIN); sum = sensorValue + sum; delay(2); } vout = sum >> 10; vout = vout * 4980.0 / 1024; Serial.print("The Photocurrent value:"); Serial.print(vout); Serial.println("mV"); if (vout < 50) { uv = 0; } else if (vout < 227) { uv = 1; } else if (vout < 318) { uv = 2; } else if (vout < 408) { uv = 3; } else if (vout < 503) { uv = 4; } else if (vout < 606) { uv = 5; } else if (vout < 696) { uv = 6; } else if (vout < 795) { uv = 7; } else if (vout < 881) { uv = 8; } else if (vout < 976) { uv = 9; } else if (vout < 1079) { uv = 10; } else { uv = 11; } //Send value to gateway if changed, or at least every 5 minutes if ((uv != lastUV)||(currentTime-lastSend >= 5UL*60UL*1000UL)) { lastSend=currentTime; send(uvMsg.set(uv)); lastUV = uv; } sleep(SLEEP_TIME); }
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  Getting out of the box
  10 Aug 2018, 08:00 • รอเรือ   10 Aug 2018, 20:10

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  10 Aug 2018, 20:10

  @mfalkvidd Gland plugs are almost bulletproof, perfect for the selected diameter. The beauty of the free grommets usually accompanying cases is that they may be cut to size, whether that is an antenna or a cable conduit...
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  Serial and openHAB - Warnings in Log
  7 Aug 2018, 15:33 • Euromir   7 Aug 2018, 15:33

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  My Wind Station
  6 Aug 2018, 10:07 • รอเรือ   6 Aug 2018, 17:55

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  6 Aug 2018, 17:55

  you could also provide the links on eBay of the pieces
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  ac power noise?
  1 Aug 2018, 15:22 • CrankyCoder   1 Aug 2018, 22:42

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  checking it out now
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  Masterless communication between multiple arduinos.
  1 Aug 2018, 07:33 • shaukat59   1 Aug 2018, 08:38

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  Welcome to the MySensors community @shaukat59 MySensors does not support mesh networking. Building something using http://www.airspayce.com/mikem/arduino/RadioHead/classRHMesh.html is probably one of the leeast hard ways to do what you want.
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  This topic is deleted!
  30 Jul 2018, 11:52 • Derby Jhon   30 Jul 2018, 11:52

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  Compact battery-powered motion + temperature + humidity project
  21 Jul 2018, 17:08 • user2684   21 Jul 2018, 17:08

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  Solar Powered Mini-Weather Station
  18 Jan 2015, 20:57 • Salmoides   17 Jul 2018, 16:43

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  My experience with using a "Micro USB 5V 1A 18650 Lithium Battery Charger Board With Protection Module" together with the "16 LED Solar Power Motion Sensor Security Lamp Outdoor Waterproof Light"s solar panel is that it's not charging the battery as well as the original built in PCB. Due to the varying voltage (up to 6V) of the solar panel it's not so well suited as a power source for "Micro USB 5V 1A 18650 Lithium Battery Charger Board With Protection Module". I experimented with diodes in serial (2 diodes gave best result) to lower the voltage. However using the original board allowed the battery to charge with a much higher current. I just cut of the motion sensor, and the power switch. It seems to work well. It's even charging a few mA now here when it's raining. My conclusion is that the "Micro USB 5V 1A 18650 Lithium Battery Charger Board With Protection Module" might be used but the original PCB makes a better job charging the battery. Cheers!
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  A6C Camera issues
  14 Sept 2017, 09:18 • A Former User   16 Jul 2018, 11:47

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  16 Jul 2018, 11:47

  @keshav345 said in A6C Camera issues: I have captured an image using A6C GSM module using the suitable AT commands through Ai thinker tool but when i try opening it will display as invalid image. Hi, idk how to do with python unfortunatly not even in C++ (arduino) because i don’t have the level for do that but i know the steps: send the AT command for take the picture, and “read” it in HEX and store them, cut the extra code (all Jpgs start and finish with the same HEX) and save it in a file with the jpg extension, it’s done.After it my IP camera start working properly! (It’s what i show in my video here: https://www.youtube.com/watch?v=poNPcxNvCww) The most defficult is for me to save in Hex and cut the image because i can’t find an another projet with the same kind of problem
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  MySensors Hydroponics Greenhouse project
  13 Mar 2018, 17:03 • Thucar   13 Jul 2018, 08:53

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  A quick video update: https://youtu.be/vnUFV_amSPQ The tomatos and peas are trying to go through the roof. Cucumbers are close to follow. They are all aiming for the ventilation hatches - I think they are planning a grand escape... The NFT system pump stopped working coupe weeks after setting it up. Have not gotten around to ordering a new pump. That will be a project for next year.
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  RFID Card reader - Wiegand
  6 Nov 2016, 14:34 • AWI   9 Jul 2018, 16:26

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  9 Jul 2018, 16:26

  @ross-shirer Thanks for bring this topic alive as I had not seen this before and it was just what i was looking for the basis of another project. I have thrown together a quick test node and it is working all fine with openHAB. The instructions for use are included within the program Summary block. 1. A local database with Card id's is kept in the node. Card id 0 is the "master master" card. With the master card you can: - Open the door lock (just present it) - Include other cards (present it twice and present the new card) - Delete cards (present it three times, present the card to be deleted and confirm with master card) - Browse the cards (present it four times), the display shows the card indexes with their status. So the MasterCard is needed to enable the other cards. Swipe the master card twice and then swipe the new card. Remember to comment the eprom clear command after first run otherwise the non MasterCard data will be lost on reboot. As i did not do that at first, so caused a few minutes delay. //cardDB.initDB(); // ONLY in the first run to clear the EEPROM store (comment later) Working fine for me with nine cards, tenth card unlocks ok but report status is incorrect. More than ten are not accepted by the program due to EPROM size limits. (time to add serial memory)
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  UV Sensor ML8511
  9 May 2016, 23:10 • mrc-core   7 Jul 2018, 23:09

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  7 Jul 2018, 23:09

  @benik change delay(100); to delay(300000); //5 mins reporting
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  Rinnai Gas Heater (FTR557) node
  5 Jul 2018, 23:22 • brendanl   5 Jul 2018, 23:22

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  Low power temperature/humidity node with sonoff si7021
  30 Jun 2018, 10:14 • yelti_be   30 Jun 2018, 10:14

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  Water pressure sensor
  8 Dec 2017, 13:17 • lekeb   27 Jun 2018, 18:48

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  27 Jun 2018, 18:48

  @lekeb How is your pressure sensor working out? are you getting accurate reading? I'm looking to hook up something similar to vera
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  Nemaxx smoke alarm WL2
  22 Jun 2018, 18:43 • freynder   25 Jun 2018, 07:49

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  25 Jun 2018, 07:49

  @freynder it is different. I don't know if they try to connect to each other and if some having issues with that it drains the battery.
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  Battery powered fingerprint reader
  4 Jun 2018, 23:00 • user2684   22 Jun 2018, 09:31

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  22 Jun 2018, 09:31

  @user2684 well, here i prefer to use a faster processing gateway. no issue with slower nodes.. but i'm not using official mys branches (could be that, not sure..). nice to hear it's working as you wish, the most important
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  An ultrasonic measurement saga finally over...
  9 Jun 2018, 10:55 • zboblamont   18 Jun 2018, 03:26

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  18 Jun 2018, 03:26

  @boots33 Sure... It's not finished in that want to reverse some of the mods made in desperate attempts to isolate the problem, before realising the illogic of the range checking. It's no different to any other pulse timer in function, and doubtless could be made more efficient by more knowledgeable people than I, but it is working flawlessly now which was the objective. The original idea was that the Slave would sleep as per Gammon's I2C example, constantly available to be remote commanded, but as the switched off ADC stayed off after sleep I lost the battery reading which divider was running continually. Inserting a latching relay, it ended up remote powered up with the readings taken during setup, otherwise it is completely off. It's a straight 5v promini chinese clone with only the power led removed, powered by 4x2AA cells via a latching signal relay, as it is only fired up every hour by the sleeping Master, it should hopefully last a while... Might extend the cycles to 3 or 4 hours, but for now it is feeding back accurate information on groundwater intrusion which has proven a bit of a surprise... // Adapted from Nick Gammon tutorials from 18th February 2011 //ADC disabling prior to sleep failed to restart originally and written out #include <Wire.h> #include <avr/sleep.h> const byte MY_ADDRESS = 61; const byte AWAKE_LED = 13; #define echoPin 5 #define trigPin 6 #define USon 4 #define BatteryIn A3 long duration; int distance,test,test2; const unsigned long WAIT_TIME = 500; volatile unsigned long counter; volatile int ultradepth, batterypower; // various commands we might get enum { CMD_READ_TANK = 2, CMD_READ_BATTERY = 3 }; char command; void setup() { command = 0; pinMode(USon, OUTPUT); pinMode(trigPin, OUTPUT); pinMode(echoPin, INPUT); analogReference(INTERNAL); digitalWrite(USon,LOW); digitalWrite(USon, HIGH); delay(100); digitalWrite(trigPin,HIGH); delay (100); digitalWrite(trigPin,LOW); delay(100);/// Allow decay of pulse READULTRASONIC(); READPOWER(); Wire.begin (MY_ADDRESS); Wire.onReceive (receiveEvent); // interrupt handler for incoming messages Wire.onRequest (requestEvent); // interrupt handler for when data is wanted delay(150); } // end of setup void receiveEvent (int howMany) { command = Wire.read (); // remember command for when we get request } // end of receiveEvent void loop (){ if (++counter >= WAIT_TIME) { flasher();//1 flash signals going to sleep set_sleep_mode (SLEEP_MODE_PWR_DOWN); sleep_enable(); digitalWrite (AWAKE_LED, LOW); sleep_cpu (); sleep_disable(); // release TWI bus TWCR = bit(TWEN) | bit(TWIE) | bit(TWEA) | bit(TWINT); for (byte i = 0; i < 3; i++) {//3 flashes wakened up flasher(); }; // turn it back on again Wire.begin (MY_ADDRESS); } } void READULTRASONIC(){//JSN-SR04-2.0 digitalWrite(USon,HIGH); delay(100); duration=0; distance=0; test=1; test2=3; while ((test!=test2)&&((distance<300)||(distance>1860))){// Get two consecutive readings in specified range digitalWrite(trigPin, LOW); delayMicroseconds(100); digitalWrite(trigPin, HIGH); delayMicroseconds(150); digitalWrite(trigPin, LOW); duration = pulseIn(echoPin, HIGH); distance = duration/5.82;//This is in mm if (test!=distance){ test=distance; distance=0; } else{ test2=distance; } delay(100);///// 500 originally but why??????? } digitalWrite(USon,LOW); ultradepth=distance; } void READTANK (){ byte buf [2]; buf [0] = ultradepth >> 8; buf [1] = ultradepth & 0xFF; Wire.write (buf, 2); }/// end of READTANK void READPOWER(){//Still needs cap on resistive divider int val, read1, read2; read1=1; read2=2; ///Get two consecutive identical readings while(read1!=read2){ val= analogRead(BatteryIn); if(read1!=val){ read1=val; } else{ read2=val; } } batterypower=val; } void READBATTERY () {// Battery reading send now byte buf [2]; buf [0] = batterypower >> 8; buf [1] = batterypower & 0xFF; Wire.write (buf, 2); } // end of READBATTERY void requestEvent () {// Original which parameter removed switch (command) { case CMD_READ_TANK: READTANK (); break; // send Tank Depth Reading case CMD_READ_BATTERY: READBATTERY (); break; // send Drone battery reading } // end of switch } // end of requestEvent void flasher(){ digitalWrite (AWAKE_LED, HIGH); delay (20); digitalWrite (AWAKE_LED, LOW); delay (50); } EDIT - With playing around with so many variations, I had copied the wrong sketch version here, now resolved. One of the more frustrating aspects I found in this setup was instability, presumably due to Wire interrupts or a dodgy connection somewhere. The Slave would in isolation get a valid figure to forward, yet somehow the Master would pass completely different figures to the Gateway or everything would lock up. One curiosity noted was the delay between the Master powering up the Slave and requesting results over Wire, it worked fine with sleep(5000), but 1000 would introduce instability.
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  Wiring for 2nd Register
  12 Jun 2018, 07:55 • annujbhatia   12 Jun 2018, 14:10

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  12 Jun 2018, 14:10

  Locking this thread to avoid double work. If anyone can help, please post in https://forum.mysensors.org/post/90962 instead.
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  SMD Reflow Oven / PID
  5 Jun 2018, 07:00 • Mars Warrior   10 Jun 2018, 12:08

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  10 Jun 2018, 12:08

  @neverdie said in SMD Reflow Oven / PID: To approximate the reflow profile, did you manually adjust the temperatures by hand while looking at a clock or something? Yes. That's why I say "remotely" Not very convenient but still much faster than soldering all the pads by hand.
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  PiHome - Smart Heating Control Available To download
  3 Nov 2017, 02:05 • pihome   9 Jun 2018, 10:30

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  9 Jun 2018, 10:30

  @alowhum love the safety "is there a gas leak" i m thinking to implement this as well but haven't came to agreement between 220v powered vs battery powered sensors, on same note my home heating is scheduled for ground floor and DHW but i want to have some exhaust fan to run for 10 to 15 minuts to re-fresh air on ground floor again its on my to do list. i have implemented zone max temperature, boiler max temperature and boiler hysteresis time (time between off and on again) but haven't implemented zone max run time or zone hysteresis time. some time adding extra feature/options to heating control may not suite everyone and it requires lots and lots of testing and time. Ps: i think all these commercially available options are way behind on options for domestic heating needs.
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  Danish LK wall switch
  5 Jun 2018, 19:04 • Lemme   5 Jun 2018, 19:04

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  Double watermeter on NodeMCU
  domoticz nodemcu watermeter raspberry pi3 wifi gateway • 5 Jun 2018, 13:38 • marsault6   5 Jun 2018, 13:38

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  i2c Lightning Sensor +
  26 Jun 2016, 02:36 • Boots33   5 Jun 2018, 02:03

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  5 Jun 2018, 02:03

  The Playing with fusion sketch uses the I2C library found here some more info on the library here
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  50mm x 50mm board with different powering options
  12 Nov 2015, 16:17 • GertSanders   3 Jun 2018, 09:19

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  3 Jun 2018, 09:19

  @gertsanders you have good PCB design skills, great work but keep safety in mind, those cheap chines plastic box aren't for 220v and definitely not to houses any power supply.
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  3V AA Battery holder sensor
  28 May 2018, 19:32 • mdegraaf   29 May 2018, 21:50

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  29 May 2018, 21:50

  Clever. I have a bunch of circuit boards stuck to the back of battery holders using hot glue. This looks much better.
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  Another nRF5 based wall switch
  11 May 2018, 08:34 • abarkow   11 May 2018, 17:25

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  11 May 2018, 17:25

  @dbemowsk said in Another nRF5 based wall switch: @abarkow I like european wall switches much more than the US style ones. There is much more room for electronics in them. I agree, I have US/AU here (only a few mm difference) and I wish I had those big 82*82mm squares...
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  My MuliSensor Build (Motion, Relay, Air, Temp. Humidity and Light)
  2 Apr 2018, 17:58 • DaTim69   9 May 2018, 17:32

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  9 May 2018, 17:32

  @datim69 welcome aboard the mysensors team
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  Mailbox/Postbox Alert
  7 Jul 2015, 18:52 • n3ro   9 May 2018, 16:40

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  9 May 2018, 16:40

  Hello, Does this code still work? Thank you
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  LoRa Nodes
  7 Apr 2018, 02:07 • NeverDie   22 Apr 2018, 19:37

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  22 Apr 2018, 19:37

  So, after increasing the bandwidth to 500Khz and reducing the data payload, the node now consumes 38ma for 13ms during its Tx to the gateway, which is 37% of the energy consumed in the earlier measurement above. I see that further improvements are possible, but I deem it good enough for now.
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  LoRa Gateway
  3 Apr 2018, 17:16 • NeverDie   22 Apr 2018, 01:00

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  22 Apr 2018, 01:00

  Hadn't seen it. I'm lately of the mind that it's better to have everything (including sensors) integrated onto a single board.
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  2AA Sensor Board + RPI Gateway + RGBW Dimmer
  11 Nov 2015, 14:52 • Myna   9 Apr 2018, 12:20

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  9 Apr 2018, 12:20

  Hi Where we can found files project to create PCB ? And for Gateway MySensors it will also works with Radio RFM69HW ( Not RFM69HCW) ? Or is any chance to create PCB Gateway for Radio RFM69HW ? Or maybe Radio RFM69HCW and RFM69HW is compatible ?
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  RS-485 Prevent Fake Cat Invasion (Peer-to-peer network video surveillance)
  6 Apr 2018, 09:07 • dukelec   6 Apr 2018, 10:55

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  6 Apr 2018, 10:55

  @yveaux I think it's convenient to connect many different sensors through fieldbus, and the camera itself is one kind of sensor.
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  Looking for Sensor
  5 Apr 2018, 10:11 • 777upender   5 Apr 2018, 15:01

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  5 Apr 2018, 15:01

  Didn't test this, but using a vibration sensor (modules are available under the namee "SW-420 Vibration Tilt Sensor Alarm" at big market places) might also be an option. Should provide digital and/or analog signals. Best success with your project!
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  Water leakage sensor using thin ribbon cable (testing reliability)
  25 Sept 2017, 21:16 • dakipro   3 Apr 2018, 20:43

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  3 Apr 2018, 20:43

  Then I have an "alarm" flow in node-red (via openhab) which blinks all lights in the house, sends notification to mobile phones with high priority etc. Which brings me a lot of joy when all works fine (and annoys my wife, as usual)...
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  Heating control with web backend
  2 Apr 2018, 17:09 • KimmoHop   2 Apr 2018, 17:31

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  2 Apr 2018, 17:31

  Though RF24 works quite well at my home, at remote location it's quite on/off. It can work for single measurement or one day or several days, and then have no data for a week. The gateway is running well, since it regularly contacts web server to get new set value(s) even on periods with no data. This led me to suspect problem with RF24, and to order 15 RFM69 radios + level converters. Boy, are they laborious to solder together and to proto shield (no more jumper wires ) on top of Uno! I could make and then test 2 pieces in one day, with magnifying glasses and 3rd hand. Damn 2mm raster on RFM69! If I can get RF24 working good enough, I'll stick with them. For good
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  [contest] Yet another servo blind control project
  servo blinds venetian • 16 Jan 2015, 21:46 • slarti   1 Apr 2018, 17:22

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  My ethernet gateway died and I made another one on a Raspberry Pi so I updated all of my sensors from 1.4 libraries to 2.2. Here's the updated sketch for these servo blind control nodes: // A sketch to control a servo with a button and MySensors messages //#define MY_DEBUG // Enable and select radio type attached #define MY_RADIO_NRF24 //#define MY_RADIO_RFM69 #include <SPI.h> #include <MySensors.h> #include <Servo.h> #include <Button.h> //https://github.com/JChristensen/Button #define BUTTON_PIN 4 //Connect a tactile button switch (or something similar) //from Arduino pin 4 to ground. #define PULLUP true //To keep things simple, we use the Arduino's internal pullup resistor. #define INVERT true //Since the pullup resistor will keep the pin high unless the //switch is closed, this is negative logic, i.e. a high state //means the button is NOT pressed. (Assuming a normally open switch.) #define DEBOUNCE_MS 20 //A debounce time of 20 milliseconds usually works well for tactile button switches. #define LONG_PRESS_PERIOD 700 //How long to keep button pressed until sweeping starts #define MAX_DEGREES 180 //Servo limits. Whatever works for you. #define MIN_DEGREES 0 #define CHILD_ID 3 Button myBtn(BUTTON_PIN, PULLUP, INVERT, DEBOUNCE_MS); //Declare the button Servo myservo; enum {DECREASING, INCREASING}; //On a servo mounted on the left, with outer slat edge down as closed, // closing is going toward 180, opening toward 0 (on my fake futaba s3003's) boolean invertConversions = true; // false if opening toward 180 boolean servoDirection = INCREASING; //A variable that keeps the current servo direction int servoPin = 3; int servoPosition; int servoSpeed = 1; // The bigger, the faster. 1=slow 5=fast MyMessage msg(CHILD_ID, V_PERCENTAGE); void setup(void) { } void presentation() { // Send the sketch version information to the gateway and Controller sendSketchInfo("Servo", "1.3"); // Register all sensors to gw (they will be created as child devices) present(CHILD_ID, S_COVER); } void loop(void) { myBtn.read(); //Read the button if (myBtn.wasReleased()){ //If the button was pressed once sweep to end of current direction SweepToDirectionEnd(); send(msg.set(ConvertDegToPercent(servoPosition))); } if (myBtn.pressedFor(LONG_PRESS_PERIOD)){ //If the button is held down the servo will start to sweep SweepUntilStop(); send(msg.set(ConvertDegToPercent(servoPosition))); } } int ConvertPercentToDeg(int percent) { int degree; if (invertConversions) degree = map(percent, 0, 100, MAX_DEGREES, MIN_DEGREES); if (!invertConversions) degree = map(percent, 0, 100, MIN_DEGREES, MAX_DEGREES); return degree; } int ConvertDegToPercent(int degree) { int percent; if (invertConversions) percent = map(degree, MAX_DEGREES, MIN_DEGREES, 0, 100); if (!invertConversions) percent = map(degree, MIN_DEGREES, MAX_DEGREES, 0, 100); return percent; } void receive(const MyMessage &message) { myservo.attach(servoPin); if (message.type==V_PERCENTAGE) { int val = message.getInt(); SweepToPosition(ConvertPercentToDeg(val)); //In this case the value has to be inverted because 0 = open send(msg.set(val)); } else if (message.type==V_STATUS) { if (message.getInt() == 1){ SweepToPosition(ConvertPercentToDeg(100)); send(msg.set(100)); } else if(message.getInt() == 0) { SweepToPosition(ConvertPercentToDeg(0)); send(msg.set(0)); } } else myservo.detach(); } void ServoMoveUp() { if ((myservo.attached()) && servoPosition < MAX_DEGREES){ servoDirection = INCREASING; servoPosition += servoSpeed; myservo.write(servoPosition); delay(10); Serial.print("Servo Position: "); Serial.println(servoPosition); } if (!myservo.attached()){ Serial.println("Servo stopped while moving toward MAX, direction unchanged"); delay(100 * servoSpeed); } if (servoPosition >= MAX_DEGREES){ Serial.println("MAX reached, changing direction toward MIN"); servoDirection = DECREASING; delay(100 * servoSpeed); // Wait for the last movement to finish } } void ServoMoveDown() { if ((myservo.attached()) && servoPosition > MIN_DEGREES){ servoDirection = DECREASING; servoPosition -= servoSpeed; delay(10); myservo.write(servoPosition); Serial.print("Servo Position: "); Serial.println(servoPosition); } if (!myservo.attached()){ Serial.println("Servo stopped while moving toward MIN, direction unchanged"); delay(100 * servoSpeed); } if (servoPosition == MIN_DEGREES){ Serial.println("MIN reached, changing direction toward MAX"); servoDirection = INCREASING; delay(100 * servoSpeed); } } void SweepToDirectionEnd() { myservo.attach(servoPin); if (servoDirection == INCREASING){ Serial.println("Going to MAX and stopping there"); while (servoPosition < MAX_DEGREES){ ServoMoveUp(); } delay(20 * servoSpeed); myservo.detach(); } else if (servoDirection == DECREASING){ Serial.println("Going to MIN and stopping there"); while (servoPosition > MIN_DEGREES){ ServoMoveDown(); } delay(20 * servoSpeed); myservo.detach(); } } void SweepUntilStop() { myservo.attach(servoPin); while (myBtn.isPressed()){ myBtn.read(); if (myBtn.isReleased()) myservo.detach(); if (servoDirection == INCREASING) ServoMoveUp(); if (servoDirection == DECREASING) ServoMoveDown(); } } void SweepToPosition(int destination) { if (abs(destination - servoPosition) >= servoSpeed) //Don't move if destination is close to position myservo.attach(servoPin); if (destination > servoPosition && myservo.attached()){ Serial.print("Going to "); Serial.print(destination); Serial.println(" and stopping there"); while (servoPosition < destination){ ServoMoveUp(); } delay(20 * servoSpeed); myservo.detach(); } if (destination < servoPosition && myservo.attached()){ Serial.print("Going to "); Serial.print(destination); Serial.println(" and stopping there"); while (servoPosition > destination){ ServoMoveDown(); } delay(20 * servoSpeed); myservo.detach(); } }```
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  ESP8266-E&nRF24L01+WIFI GW
  30 Mar 2018, 19:47 • mntlvr   1 Apr 2018, 15:34

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  1 Apr 2018, 15:34

  You are correct but the glue peels right off if I need to make changes
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  DIY CNC mill from mainly salvaged and 3D printed parts
  4 Feb 2018, 22:29 • dbemowsk   31 Mar 2018, 17:38

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  31 Mar 2018, 17:38

  I notice that the kit from CNCrouterParts does appear to use the springy couplers: John Park's Workshop: CNC Machine Kit Build @adafruit @johnedgarpark #adafruit – 09:28— Adafruit Industries So, I guess it can't be bad, because they seem to make very nice kits.
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  nRf24L01+ connection quality meter
  29 May 2016, 19:28 • AWI   28 Mar 2018, 18:33

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  28 Mar 2018, 18:33

  @heizelmann I'm happy to see that you can appreciate my work as a continuation of the nice job you already did on this thread.
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  Chromecast <-> nodered <-> harmony hub remote integration.
  28 Mar 2018, 14:33 • tbowmo   28 Mar 2018, 14:33

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  Compile error
  26 Mar 2018, 14:39 • carpov   27 Mar 2018, 06:24

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  27 Mar 2018, 06:24

  https://forum.mysensors.org/topic/4276/converting-a-sketch-from-1-5-x-to-2-0-x
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  Egg incubator IOT v3.0
  3 Sept 2017, 17:03 • Tmaster   25 Mar 2018, 18:30

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  25 Mar 2018, 18:30

  @rahokos download the file and change the extension from file to .fzz for any reason it happens when i upload this file.
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  Load cell Impact problem
  31 Mar 2017, 05:48 • yaron   23 Mar 2018, 18:13

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  23 Mar 2018, 18:13

  Design the chair leg, so that something else is supporting the leg/chair, when the weight is above 200kg. (on my phone at the moment, so can't make a drawing atm)
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  one Arduino with three door sensors and one buzzer sensor
  22 Mar 2018, 19:01 • Henry Liu   23 Mar 2018, 11:25

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  23 Mar 2018, 11:25

  @schlog I agree with you. I was responding to the original post.
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  Using a sensor to sense the presence of copper wire.
  14 Mar 2018, 17:44 • A Former User   22 Mar 2018, 11:26

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  22 Mar 2018, 11:26

  Thanks to all that have given input. I'm going to give in and simply use the momentary to open the cylinder (normally closed). It's just too easy. And going automated is not worth the added expense, as this single cylinder prototype will be duplicated to almost (100) cylinders....each completely independent from one another. Thank you!!!
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  Garage Door + Other Sensors
  18 Mar 2018, 19:27 • TamarackGhost   20 Mar 2018, 00:59

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  20 Mar 2018, 00:59

  @thucar @gohan Thank you both. Everything is working as designed now. For now, I am just going to stick with the code below. I will put the interrupts in on the next version. /** * The MySensors Arduino library handles the wireless radio link and protocol * between your home built sensors/actuators and HA controller of choice. * The sensors forms a self healing radio network with optional repeaters. Each * repeater and gateway builds a routing tables in EEPROM which keeps track of the * network topology allowing messages to be routed to nodes. * * Created by Henrik Ekblad <henrik.ekblad@mysensors.org> * Copyright (C) 2013-2015 Sensnology AB * Full contributor list: https://github.com/mysensors/Arduino/graphs/contributors * * Documentation: http://www.mysensors.org * Support Forum: http://forum.mysensors.org * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * version 2 as published by the Free Software Foundation. * ******************************* * * REVISION HISTORY * Combo sketch built from original motion sensor sketch combined with code from the Relay actuator sketch * 2x Motion Sensors to be used as garage doors status usualy with reed switches * 2x Relays to control garage doors * NOTE! this sketch automaticaly turns the relays back off after a door control has been sent to it * How long the relays are on is defined vith the variable "RELAY_ONTIME" the default is 300 milliseconds * http://www.mysensors.org/build/relay */ /* arduino Pro mini 5V 16MHz ???? */ #define MY_RADIO_NRF24 #define MY_DEBUG // Enables debug messages in the serial log // Set MY_NODE_ID to something unique in your sensor network (1-254) // or set to AUTO if you want gw to assign a MY_NODE_ID for you. #define MY_NODE_ID AUTO #define SN "DualGarageDoor" #define SV "1.5" //#define MY_RF24_CE_PIN 9 // Radio specific settings for RF24 //#define MY_RF24_CS_PIN 10 // Radio specific settings for RF24 (you'll find similar config for RFM69) //#define MY_RF24_PA_LEVEL RF24_PA_MAX #include <MyConfig.h> #include <MySensors.h> #include <SPI.h> // Enable repeater functionality for this node #define MY_REPEATER_FEATURE #define DIGITAL_INPUT_SENSOR 3 // The digital input for PIR. #define DIGITAL_INPUT_SENSORA 4 // The digital input for Door 1 #define DIGITAL_INPUT_SENSORB 5 // The digital input for Door 2 #define LIGHT_SENSOR_ANALOG_PIN 0 //light sensor //#define INTERRUPT DIGITAL_INPUT_SENSORA-2 // Usually the interrupt = pin -2 (on uno/nano anyway) #define CHILD_ID_PIR 40 // Id of the sensor child #define CHILD_ID_RELAY 30 //Id of relay #define CHILD_ID_DOORA 21 // Id of the sensor child #define CHILD_ID_DOORB 20 // Id of the sensor child #define CHILD_ID_LIGHT 10 //light sensor #define RELAY_PIN 6 // Arduino Digital I/O pin number for first relay #define NUMBER_OF_RELAYS 1 // Total number of attached relays //define what is on and off for the relay #define RELAY_ON 1 #define RELAY_OFF 0 //define what is on and off for the reed switches #define DOOR_CLOSED 0 #define DOOR_OPEN 1 int RELAY_ONTIME = 1000; //delay before turning relay back off int lastLightLevel; //light sensor boolean oldValueA = 0; boolean oldValueB = 0; boolean trippedA = 0; boolean trippedB = 0; uint32_t SLEEP_TIME = 10000; // Sleep time between reads (in milliseconds) MyMessage msg1(CHILD_ID_DOORA, V_LOCK_STATUS); MyMessage msg2(CHILD_ID_DOORB, V_LOCK_STATUS); MyMessage msg4(CHILD_ID_LIGHT, V_LIGHT_LEVEL); //light sensor MyMessage msg3(CHILD_ID_PIR, V_TRIPPED); //PIR void before() { for (int sensor=1, pin=RELAY_PIN; sensor<=NUMBER_OF_RELAYS; sensor++, pin++) { // Then set relay pins in output mode pinMode(pin, OUTPUT); // Set relay to last known state (using eeprom storage) digitalWrite(pin, loadState(sensor)?RELAY_ON:RELAY_OFF); } } void setup() { pinMode(DIGITAL_INPUT_SENSORA, INPUT); // sets the motion sensor digital pin as input pinMode(DIGITAL_INPUT_SENSORB, INPUT); // sets the motion sensor digital pin as input // Activate internal pull-up digitalWrite(DIGITAL_INPUT_SENSORA, HIGH); digitalWrite(DIGITAL_INPUT_SENSORB, HIGH); digitalWrite(RELAY_PIN, RELAY_OFF); pinMode(RELAY_PIN, OUTPUT); pinMode(DIGITAL_INPUT_SENSOR, INPUT); // sets the motion sensor digital pin as input } void presentation() { // Send the Sketch Version Information to the Gateway Serial.println("Presentation"); sendSketchInfo(SN, SV); for (int sensor=1, pin=RELAY_PIN; sensor<=NUMBER_OF_RELAYS; sensor++, pin++) { present(sensor, S_BINARY); } { trippedA = digitalRead(DIGITAL_INPUT_SENSORA); trippedB = digitalRead(DIGITAL_INPUT_SENSORB); //Serial.print("Door A status: "); //Serial.println(trippedA); //Serial.print("Door B status: "); //Serial.println(trippedB); send(msg1.set(trippedA ? DOOR_CLOSED : DOOR_OPEN)); send(msg2.set(trippedB ? DOOR_CLOSED : DOOR_OPEN)); oldValueA = trippedA; oldValueB = trippedB; } { // Register all sensors to gw (they will be created as child devices) present(CHILD_ID_DOORA, S_LOCK); present(CHILD_ID_DOORB, S_LOCK); present(CHILD_ID_LIGHT, S_LIGHT_LEVEL); present(CHILD_ID_PIR, S_MOTION); } } void loop() { { // Read digital reed switch value trippedA = digitalRead(DIGITAL_INPUT_SENSORA); trippedB = digitalRead(DIGITAL_INPUT_SENSORB); // Send value only if changed if(trippedA != oldValueA) { //Serial.print("Door A status: "); //Serial.println(trippedA); send(msg1.set(trippedA ? DOOR_CLOSED : DOOR_OPEN)); //gw.sendVariable(CHILD_ID_DOORA, V_LOCK_STATUS, trippedA?DOOR_CLOSED:DOOR_OPEN); // Send value change to gw delay(1000); oldValueA = trippedA; } // Send value only if changed if(trippedB != oldValueB) { //Serial.print("Door B status: "); //Serial.println(trippedB); send(msg2.set(trippedB ? DOOR_CLOSED : DOOR_OPEN)); //gw.sendVariable(CHILD_ID_DOORB, V_LOCK_STATUS, trippedB?DOOR_CLOSED:DOOR_OPEN); // Send value change to gw delay(1000); oldValueB = trippedB; } } { int16_t lightLevel = (1023-analogRead(LIGHT_SENSOR_ANALOG_PIN))/10.23; //Serial.println(lightLevel); if (abs(lightLevel - lastLightLevel)>20) { send(msg4.set(lightLevel)); lastLightLevel = lightLevel; } } { // Read digital motion value bool tripped = digitalRead(DIGITAL_INPUT_SENSOR) == HIGH; Serial.println(tripped); send(msg3.set(tripped?"1":"0")); // Send tripped value to gw // Sleep until interrupt comes in on motion sensor. Send update every two minute. wait(digitalPinToInterrupt(DIGITAL_INPUT_SENSOR), CHANGE, SLEEP_TIME); } } void receive(const MyMessage &message) { // We only expect one type of message from controller. But we better check anyway. if (message.type==V_STATUS) { // Change relay state digitalWrite(RELAY_PIN, RELAY_ON); wait(RELAY_ONTIME); digitalWrite(RELAY_PIN, RELAY_OFF); wait(2000); } }
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  MYSENSORS sur SHRIMP
  5 Mar 2018, 16:16 • Daniel RUIZ9   15 Mar 2018, 15:16

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  15 Mar 2018, 15:16

  Thank you for your help I passed the 2.2 satable version I am now launching on the ethernet gateway.
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  Errors when compiling the program Atmega16
  9 Mar 2018, 09:31 • lukasz1982   9 Mar 2018, 11:53

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  9 Mar 2018, 11:53

  There is no official support for AVR chips smaller than the atmega328. So it might be hard to find someone that can help with your specific issue with atmega 164/324
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  Temperature and Humidity with SI7021 on Slim 2AA Battery Node 1Mhz
  8 Mar 2018, 11:24 • coza   8 Mar 2018, 11:24

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  Review of first PCB design - Single Switch Node with Hylink AC/DC
  5 Mar 2018, 14:17 • Chester   6 Mar 2018, 01:20

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  6 Mar 2018, 01:20

  @sundberg84 Thank you so much for the advice, I knew that it would come down to small things here and there, and it's so much easier to tinker around in eagle than try to order a board, find the errors and fix/reorder over and over, so I appreciate it very much! Time to get back in and make some changes
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  Water leak sensor
  26 Feb 2018, 20:38 • flopp   27 Feb 2018, 17:30

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  27 Feb 2018, 17:30

  @helvetian Thanks. I am using Domoticz as Controller. After you first start-up of node you will get a Light device, change this device to Dimmer, then in Setup-Hardware-MySensorsSetup, select Node then select Child for SleepTime and disable Ack.
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  Solar cell support with non-rechargeable batteries
  16 Feb 2018, 15:51 • Gunther   20 Feb 2018, 10:52

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  20 Feb 2018, 10:52

  As this thread turns into my personal highlights of silly mistakes: Another word of caution for anybody who wants raw battery values sent: sendBatteryLevel only uses 8-bit: i.e. value from 0-255. Don't try to send your raw 10-bit sensed input from e.g. A0 directly with it. bool sendBatteryLevel(const uint8_t level, const bool ack = false); Make sure you divide by 4 or use something like: int sensorValue = analogRead(ANALOGUE_SENSE_PIN) >> 2; sendBatteryLevel(sensorValue);
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  My Home Automation Journey
  16 Feb 2018, 10:53 • ZachFlem   16 Feb 2018, 20:27

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  16 Feb 2018, 20:27

  Sounds nice! I wish you the best of luck with your project(s) and keep us updated! I might do some project report like this too soon, so I will follow yours
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  BlackBox: binary, lightweight communication protocol handler source code generator.
  14 Feb 2018, 13:45 • Sirguy Cheblin   15 Feb 2018, 02:36

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  15 Feb 2018, 02:36

  @sirguy-cheblin said in BlackBox: binary, lightweight communication protocol handler source code generator.: @gohan do you use MQTT? well. forget it. With BlackBox you can build your own, fit to only your project needs. What's the advantage of leaving an interoperable protocol like MQTT for your own protocol ? And how is it relevant in a MySensors environment ?
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  Help Please "Rain Water Tank"
  13 Jan 2018, 11:38 • Wuffi0815   13 Feb 2018, 08:55

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  13 Feb 2018, 08:55

  So what is giving 5v to this?
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  gdomotics
  11 Feb 2018, 22:28 • Artix   11 Feb 2018, 23:47

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  11 Feb 2018, 23:47

  @hek pictures and library post link added
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  Where to find a rainfall sensor
  10 Feb 2018, 19:10 • pierrot10   10 Feb 2018, 19:14

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  10 Feb 2018, 19:14

  @pierrot10 Look for tipping bucket on this site... The search facility is invaluable...
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  My First MySensors Project
  10 Feb 2018, 01:06 • JohnRob   10 Feb 2018, 01:06

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  My 2 new nodes : one hacked enclosure and one 3d printed
  5 Feb 2018, 19:29 • linkos   7 Feb 2018, 22:21

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  7 Feb 2018, 22:21

  thanks
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  RV security project
  6 Feb 2018, 04:29 • Britcanuck   6 Feb 2018, 06:39

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  6 Feb 2018, 06:39

  I think you don't really need mysensors for that and I believe pir sensor is not going to work well behind a glass.
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  Trigger when mouse trap caught a mouse
  29 Jan 2018, 19:55 • bjacobse   31 Jan 2018, 18:03

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  31 Jan 2018, 18:03

  @sundberg84 Hey good idea, but I would like the electronic to be away form the mouse/rat, so I don't get pee/faces on as it contains diseases...
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  RFID Garage door opener
  22 Nov 2015, 23:01 • BartE   29 Jan 2018, 20:09

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  29 Jan 2018, 20:09

  Are you looking for an rfid system or just a radio remote control?
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  Synchronising Light switch
  light switch • 3 Jun 2017, 05:53 • Boots33   28 Jan 2018, 16:25

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  28 Jan 2018, 16:25

  Hi Can you help me convert this skecth for MySensors 2.2.0 because it was released. I upload to my Arduino MIni Pro this sketch but in Gateway Domoticz not show child to switch relay. Only show repeater child on ID 255. And also if you can please share me ready skecth for 2x releay. /* Relay with button sketch modified to work with no uplink to gateway and try to maintain sync to controller */ #define MY_DEBUG // Enable debug prints to serial monitor #define MY_RADIO_RFM69 #define MY_IS_RFM69HW #define RFM69_868MH #define MY_RFM69_NEW_DRIVER //#define MY_NODE_ID 203 // Node id defaults to AUTO (tries to fetch id from controller) #define MY_TRANSPORT_WAIT_READY_MS 5000 //set how long to wait for transport ready in milliseconds #define MY_REPEATER_FEATURE // Enabled repeater feature for this node #include <MySensors.h> #include <Bounce2.h> #define RELAY_PIN 5 // Arduino Digital I/O pin number for relay #define BUTTON_PIN 3 // Arduino Digital I/O pin number for button #define CHILD_ID 1 // Id of the sensor child #define RELAY_ON 1 #define RELAY_OFF 0 Bounce debouncer = Bounce(); int oldValue = 0; bool uplinkAvailable = true; bool state = false; bool requestState; bool firstStart = true; unsigned long uplinkCheckTime ; // holder for uplink checks unsigned long uplinkCheckPeriod = 30*1000; // time between checks for uplink in milliseconds unsigned long returnWait = 1000; // how long to wait for return from controller in milliseconds.. adjust as needed unsigned long oldTime = 0; unsigned long newTime = 0; MyMessage msg(CHILD_ID, V_STATUS); void setup(){ pinMode(BUTTON_PIN, INPUT_PULLUP); // Setup the button pin, Activate internal pull-up debouncer.attach(BUTTON_PIN); // After setting up the button, setup debouncer debouncer.interval(5); pinMode(RELAY_PIN, OUTPUT); // set relay pin in output mode digitalWrite(RELAY_PIN, RELAY_OFF); // Make sure relay is off when starting up } void presentation() { // Send the sketch version information to the gateway and Controller sendSketchInfo("1xRelay & Button", "2.2.0"); // Register all sensors to gw (they will be created as child devices) present(CHILD_ID, S_BINARY); } void loop(){ if (firstStart) { // this code is only run once at startup Serial.println("First run started"); requestTime(); // get time from controller wait (returnWait); // delay to allow time to return if (oldTime == 0){ // check to see if there was a return from the time request Serial.println("uplink not available"); uplinkAvailable = false; // no uplink established uplinkCheckTime = millis(); } else{ Serial.println("uplink available"); request( CHILD_ID, V_STATUS); // get status of switch on controller wait (returnWait); //wait needed to allow request to return from controller Serial.print("controller state --- "); Serial.println(requestState); if (requestState != state) { // check that controller is corectly showing the current relay state send(msg.set(state), false); // notify controller of current state } } firstStart = false; // set firstStart flag false to prevent code from running again } debouncer.update(); int value = debouncer.read(); // Get the update value if (value != oldValue && value == 0) { // check for new button push state = !state; // Toggle the state digitalWrite(RELAY_PIN, state ? RELAY_ON : RELAY_OFF); // switch the relay to the new state requestTime(); wait (returnWait); // delay to allow time to return if (oldTime != newTime){ // if times are different then uplink is available send(msg.set(state), false); oldTime = newTime; } else{ // if times are the same no uplink is available Serial.println("uplink not available"); uplinkAvailable = false; // no uplink available, set flag false uplinkCheckTime = millis(); // start the timer from now } } oldValue = value; if (!uplinkAvailable && (millis() - uplinkCheckTime > uplinkCheckPeriod) ) { // test to see if function should be called uplinkCheck(); // call uplink checking function } } /*-------------------start of functions--------------------------*/ void receive(const MyMessage &message) { if (message.type == V_STATUS) { // check to see if incoming message is for a switch switch (message.getCommand()) { // message.getCommand will give us the command type of the incomming message case C_SET: //message is a set command from controller to update relay state state = message.getBool(); // get the new state digitalWrite(RELAY_PIN, state ? RELAY_ON : RELAY_OFF); // switch relay to new state uplinkAvailable = true; // uplink established /*---- Write some debug info----*/ Serial.print("Incoming change for sensor:"); Serial.print(message.sensor); Serial.print(", New status: "); Serial.println(message.getBool()); break; case C_REQ: // message is a returning request from controller requestState = message.getBool(); // update requestState with returning state break; } } } void uplinkCheck() { requestTime(); wait (returnWait); // wait for time return.. this may need to be varied for your system if (oldTime != newTime){ Serial.println("uplink re-established"); request( CHILD_ID, V_STATUS); wait (returnWait); //wait needed to allow request to return from controller if (requestState != state) { // check that controller is corectly showing the current relay state send(msg.set(state), false); // notify controller of current state no ack uplinkAvailable = true; // uplink established oldTime = newTime; } } uplinkCheckTime = millis(); // reset the checktime Serial.println("uplinkchecktime reset"); } void receiveTime(unsigned long time) { if (firstStart){ oldTime = time; newTime = time; } else{ newTime = time; } Serial.print("time received---- " ); Serial.println(time); }
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  IP Gateway based on ncat + socat + USB
  18 Jan 2018, 12:55 • thazlett   20 Jan 2018, 12:39

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  20 Jan 2018, 12:39

  I actually didn't know that raspberry pi gateway was a thing! nice, i'll have to try that. I have been using a USB one since 1.5. I guess what i'm doing here is just more generic. I have it running on an orange pi one right now and it's fine. I plan to move it to a r-pi zero w when I have some time. Perhaps put it all in a project box and place it strategically in the house. To explain a little bit about what I did: A problem with socat I had was it seemed to garble the serial data between connected clients, making it useless with more than 1 client(I don't think that's a socat issue though, I think that's because more than one process is trying to access the tty device at once). Ncat fixes that by just repeating anything pushed into it to all connected clients. So it's ttyUSB0/1 <> socat <> ncat <> One of more clients. Hopefully it's useful for people.
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  With MySensors PC cold start!
  17 Jan 2018, 22:30 • Wuffi0815   20 Jan 2018, 08:00

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  20 Jan 2018, 08:00

  Yoy need to have two = in the code if (is_Reset == 1 )
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  Philips LivingColors MySensor node
  24 Aug 2016, 21:51 • Tias   19 Jan 2018, 21:16

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  19 Jan 2018, 21:16

  @tias said in Philips LivingColors MySensor node: 74LVC125A Thanks for the reply Tias ! I'm completely noob in electronic ! Another (stupid) question, for the 3.3v regulator, is the 100nf capacitor can be replaced by a 220nf capacitor without consequence ?
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  AC light dimmer with 2x TRIAC
  25 Feb 2016, 16:01 • jacikaas   6 Jan 2018, 18:49

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  6 Jan 2018, 18:49

  @jacikaas did you solve the issued? any luck i also have same problem event now i migrated to mysensors v 2.
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  Poolside Music Player
  1 Jan 2018, 12:14 • Boots33   2 Jan 2018, 01:26

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  2 Jan 2018, 01:26

  @dbemowsk said in Poolside Music Player: I can enjoy some winter days, but when it gets so cold that a breath of air nearly freezes your lungs, that's kind of tough to do. Yes I was just joking, lowest I ever had was around -15°C but with low/no wind and it was already a pain to walk outside. Would switch with @Boots33's place anyway too, it seems we are the same weather but I don't have all those trees. Nice house, warm weather, garden, pool, lots of trees around, and workshop when the MySensors virus makes a comeback. Sounds like a perfect place, any chance you're on AirBnb @Boots33 ?
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  My new project : texboard pcb
  27 Dec 2017, 22:55 • linkos   31 Dec 2017, 15:02

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  31 Dec 2017, 15:02

  @linkos you need to include a capacitor (100-200uF) in parallel to the battery to help it during peak load. And if possible in your sketch add short sleeps between successive TX/RX to let capacitor recharge.
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  Atmega328+Pro Mini+Nano bootloader uploader
  30 Dec 2017, 00:01 • sineverba   30 Dec 2017, 00:01

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  NEED HELP SERIALPORT ,
  serial port with plc delta • 27 Dec 2017, 14:48 • zago1819   27 Dec 2017, 15:11

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  27 Dec 2017, 15:11

  Hi @zago1819, and welcome to the MySensors community. This community is about the MySensors library, so you might not get a lot of help about PLCs and Modbus. Also, could you please write with normal characters instead of ALL CAPS? Most people interpret all caps as yelling, which certainly will get you nowhere.
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  Need help for trying with TTP229
  27 Dec 2017, 10:24 • Blauhorn   27 Dec 2017, 13:41

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  27 Dec 2017, 13:41

  Thank you so much, that's it.
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  CAN bus transport implementation for MYS
  16 Nov 2016, 19:59 • kimot   26 Dec 2017, 09:39

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  @kimot said in CAN bus transport implementation for MYS: @gasuter CAN FD looks good, until you start to looking for IO chips. MCP2561FD is only CAN bus transceiver ( like MAX485 ) with higher speed ability, then traditional CAN bus drivers. It has no logic "on board". You need something like MCP2517. But try find datasheet, prices etc. for this chip. I think, it will be very expensive way for us, like standard CAN several years ago was. MCP2517 has been released a few months ago and is only around 2$. http://ww1.microchip.com/downloads/en/DeviceDoc/20005688A.pdf
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  US decora wall switch continued
  20 Aug 2017, 14:02 • dbemowsk   24 Dec 2017, 01:26

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  24 Dec 2017, 01:26

  It was a bit of work, but I was able to get the 3 original boards posted on the openhardware.io site today. https://www.openhardware.io/view/542/In-wall-scene-controller-multi-switch-board-assembly https://www.openhardware.io/view/541/In-wall-scene-controller-main-board https://www.openhardware.io/view/540/In-wall-scene-controller-PSU
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  Human detecting Sensor
  16 Dec 2017, 09:45 • Ŕähûł Śïñģh   23 Dec 2017, 23:17

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  23 Dec 2017, 23:17

  @wallyllama I experimented a bit with the software that goes with the evaluation board. It looks like the temperature filter should be dynamic as the measured temperature for a single pixel depends on object distance since each pixel has a view angle and the resulting temperature is an average of the covered area which obviously grows with the distance. So in real life you get 24 to 31 Celsius for people in the room if you have the sensor mounted in the middle of the ceiling. Panasonic has some people tracking demo app and they even provide it's source if you sign their SLA, so it also could be a good starting point. I haven't obtained the source yet though.
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  Smart button / scene controller
  13 May 2017, 19:47 • xydix   23 Dec 2017, 22:48

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  23 Dec 2017, 22:48

  Thank you. It is solved now. Here is the new sketch reporting battery level using the vcc library. /* Mysensors Smart Button */ #define MY_DEBUG #define MY_RADIO_NRF24 #define MY_NODE_ID 7 #include "OneButton.h" #include <SPI.h> #include <MySensors.h> #include <Vcc.h> #define SN "Kitchen Table" #define SV "1.0" #define CHILD_ID 1 #define SLEEP_PIN 2 // Setup a new OneButton on pin D2. true will set pin high (internal pull up), false will set pin low. OneButton button(2, true); unsigned long previousMillis = 0; unsigned long currentMillis = 0; const long interval = 5000; const float VccMin = 1.9; // Minimum expected Vcc level, in Volts. (NRF can only go to 1.9V) const float VccMax = 3.3; // Maximum expected Vcc level, in Volts. const float VccCorrection = 1.0 / 1.0; // Measured Vcc by multimeter divided by reported Vcc Vcc vcc(VccCorrection); MyMessage on(CHILD_ID, V_SCENE_ON); // setup code here, to run once: void setup() { // link the doubleclick function to be called on a doubleclick event. button.attachClick(click); button.attachDoubleClick(doubleclick); button.attachPress(press); } // setup void presentation() { // Send the sketch version information to the gateway and Controller sendSketchInfo(SN, SV); present(CHILD_ID, S_SCENE_CONTROLLER); } int messageA = 1; int messageB = 2; int messageC = 3; void loop() { currentMillis = millis(); // keep watching the push button: button.tick(); if (currentMillis - previousMillis >= interval) { previousMillis = currentMillis; float p = vcc.Read_Perc(VccMin, VccMax); sendBatteryLevel((uint8_t)p); Serial.println("Sleep"); sleep(SLEEP_PIN - 2, CHANGE, 0); } } // loop // this function will be called when the button was pressed one time void click() { send(on.set(messageA)); } // this function will be called when the button was pressed 2 times in a short timeframe. void doubleclick() { send(on.set(messageB)); } // doubleclick // this function will be called when the button was pressed for about one second void press() { send(on.set(messageC)); }
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  Reverse-engineering a GL10 ble / bluetooth battery monitor using ESP32
  esp32 ble battery monitor reverse-engineering gl10 • 23 Dec 2017, 13:26 • mfalkvidd   23 Dec 2017, 17:01

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  23 Dec 2017, 17:01

  Nice, thank you for sharing. Not very surprised about the use of running speed and cadence profile as there is no profile for voltage reporting (battery service can only report a percentage).
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  Connected valves for leak prevention system / heating control / garden irrigation system
  16 Dec 2017, 18:50 • Sergio_uno   17 Dec 2017, 20:41

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  17 Dec 2017, 20:41

  @sergio_uno I tend to agree, but I do not have control over the forum or the openhardware.io website. I would mean though that you would have to add the OSH logo to your boards, and probably your identifiers on the cogs.
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  Swimming Pool Thermometer
  19 Nov 2017, 09:32 • Boots33   11 Dec 2017, 21:58

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  11 Dec 2017, 21:58

  @boots33 You could say that. It will get colder too. Probably below 0°F/-18°C at times over the next few months. That's more than a TAD brisk. That's lock me up in a heated box and throw away the key brisk.
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  Controlling a 1st gen. LivingColors lamp
  8 Feb 2016, 23:13 • BartE   4 Dec 2017, 00:47

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  @BartE I purchased this module: https://www.aliexpress.com/item/Wireless-Module-CC2500-2-4G-Low-power-Consistency-Stability-Small-Size/32702148262.html?spm=a2g0s.9042311.0.0.L1Dfwj This is the pinout... ... and I'm in doubt how to wire GDO2, GDO0, RFSC above. RFCL - SCK (pin 13)? GDO2 - leave open? GDO0 - CE (pin 9)? RFCS - CS(pin 10)? Would you mind to clarify? Thanks!
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  Wemos D1 mini GW + DHT22 + Relay shield
  27 Nov 2017, 22:13 • rucnabrzda   27 Nov 2017, 22:13

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  Looking for bluetooth proximity tracking (+/- 10cm precision) hardware.
  27 Nov 2017, 14:36 • Artmai   27 Nov 2017, 16:07

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  27 Nov 2017, 16:07

  @Artmai said in Looking for bluetooth proximity tracking (+/- 10cm precision) hardware.: hardware solution would you recommend me to build a small device sending Bluetooth signals that an iPh any other techno you would recommend to track this though?
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  Dragino LoRA gateway serial console access
  26 Nov 2017, 17:24 • Yannoo   26 Nov 2017, 17:24

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  Multisensor PIR based on IKEA Molgan
  27 Apr 2016, 13:13 • dynamite   26 Nov 2017, 11:14

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  26 Nov 2017, 11:14

  @Yveaux Thanks for your reply. I've done a lot of debugging today. And I guess I found the issue. It's definitely related to the radio power consumption as you suggested. I'm currently using the new RFM69 driver, with ATC enabled by default. As long as the power level stays below -4 dB, everything works fine. If the gateway is powered off, the radio power level automatically increases to 100% and the PIR behaves weird. It's always HIGH. By rebooting the gateway, the node relink itself and gradually lowers its power. As before, when it goes below -4dB the PIR starts to work again. Since it's a battery powered device I decided to set #define MY_RFM69_MAX_POWER_LEVEL_DBM (-4) at the beginning of the sketch file. Even if the gateway fails (shutdown) the PIR does not get HIGH anymore. All the measurements work fine now by limiting the max power to the radio. By doing so all the sleeps of 1000ms after each send are not needed anymore.
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  Heatpump control
  31 Oct 2017, 02:22 • oleg   23 Nov 2017, 05:30

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  23 Nov 2017, 05:30

  @brendanl Sounds like you're speaking from experience... I've never worked with a Daikin system, but I have had my share of similar problems in my years of working on electronics..
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  $8 Lamp (Outlet) "Smart Plug" Module
  4 Jan 2015, 15:31 • petewill   20 Nov 2017, 14:28

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  20 Nov 2017, 14:28

  @jeremushka I haven't done it on the smart outlet but I did do it on my "Whole House Fan" project. You can check out the code from that if you're interested. Here is a link to the video if you wanted to check that out: https://youtu.be/KVsUe7sOCPo Also, just make sure you check out the specs on the acs712 and don't pass through more current than is safe. I don't remember the specs off the top of my head but I knew my whole house fan was safe because of what it would be drawing
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  First go at a smallish TH sensor that can be deployed anywhere.
  28 Oct 2017, 00:54 • defMondo   20 Nov 2017, 13:05

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  @Nca78 said in First go at a smallish TH sensor that can be deployed anywhere.: At what voltage are you running your sensebender micro ? Using 2x AA batteries (3V) Current multimeter reading is 2.75V, reading on Vera is 57%. Looks like reading on Vera is out. I've stuck on a sticker with today's date to see how long sensebender will go on, probably a few years.
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  MQTT IR Remote
  19 Nov 2017, 23:54 • gohan   19 Nov 2017, 23:54

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  im quite confuse, the voltage sensor read the voltage at solar or at the battery..??
  19 Nov 2017, 08:23 • Faris Sabri II   19 Nov 2017, 10:35

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  19 Nov 2017, 10:35

  by looking at the picture the voltage is measured near the battery, so I'd say it is the battery voltage
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  Send the outcome netbeans compilation to serial port
  17 Nov 2017, 15:04 • Vincenzo Palazzo   17 Nov 2017, 15:04

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  Project powered by Batteries
  13 Nov 2017, 21:34 • raulandresmoch   14 Nov 2017, 22:38

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  14 Nov 2017, 22:38

  @raulandresmoch The 3D design is for the Easy Newbie PCB designed by @sundberg84. The board carries an arduino pro mini and the nRF24L01+ radio.
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  DHT code not working.
  11 Nov 2017, 22:09 • raulandresmoch   13 Nov 2017, 21:29

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  13 Nov 2017, 21:29

  @mfalkvidd YES!!!! That was the problem!!!! Thank you so much!!!!
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  ESP8266 + Radio + Relay Working Fine
  11 Nov 2017, 23:51 • Newzwaver   12 Nov 2017, 00:27

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  12 Nov 2017, 00:27

  @Newzwaver I think that makes sense. D3 on Wemos D1 Minis is GPIO0. I usually use the Dn notation, because I find it easier to understand.
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  Automatic LED light - high WAF inside :)
  25 Oct 2017, 08:40 • ben999   10 Nov 2017, 21:00

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  10 Nov 2017, 21:00

  @ben999 just for the record... =! is wrong. Should have been != Makes quite a difference
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  Power Meter with product energy power meter socket (based on IC CS5460A)
  9 Nov 2017, 17:57 • bagou91   9 Nov 2017, 17:57

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  LCD Clock and Text sensor node with new V_TEXT
  9 Sept 2015, 19:41 • AWI   9 Nov 2017, 09:15

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  9 Nov 2017, 09:15

  Re: LCD Clock and Text sensor node with new V_TEXT Hello , I have done the same exercise also with the LCD 4*20 and use the same program. It is great. It works but only I have the first line with the date. The lines 2,3,4 are empty. In Domoticz my V_TEXT are created and filled in. It seems that I can not read correctly the information LCD_line2, LCD_line3,LCD_line4 we can see that on the line READ , the text is V_TEXT but nothing is received. Why ? Thanks
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  This topic is deleted!
  8 Nov 2017, 05:02 • Maryam Holly   8 Nov 2017, 05:02

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  Office plant monitoring
  9 Oct 2015, 16:48 • mfalkvidd   7 Nov 2017, 21:29

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  7 Nov 2017, 21:29

  @gohan alkaline batteries in general have been tested quite extensively and don't deviate much from the S-curve characteristics.
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  Car Aux Battery Monitor
  24 Sept 2017, 09:25 • Boots33   5 Nov 2017, 21:52

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  5 Nov 2017, 21:52

  The low power node is now working as intended, the addition of an extra 47uf for the nrf power pin (there are two there now so a total of near 100uf) and an aditional .1uf on the LE33 power pin has made the node stable. It shows just how fussy the nrf can be about its power requirements. I have made the changes to the wiring diagram in the previous post to reflect these additions. Have also now had a chance to compare the graphs of the two nodes in Domoticz and the low powered node with voltage averaging seems to give a much better result. In the following pictures you can see the steady drop of voltage over time for the low power node and a more zigzag line for the original node. Will not know for sure until I add averaging to the first node, maybe the extra power draw is also affecting the reading. The original node The low powered node. These are both connected to the same vehicle at the moment.
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  My own library with MyS commands
  5 Nov 2017, 09:07 • flopp   5 Nov 2017, 12:15

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  @Yveaux Thanks, i will have a look at it
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  Air Quality: CO2 Sensor MH-Z14
  air quality gas sensor co2 • 17 Nov 2014, 09:31 • epierre   4 Nov 2017, 17:30

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  Go with the Z19. Here's some ready made code: https://forum.mysensors.org/topic/6528/mh-z19-co2-sensor/5
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  MOWBOT: Resurecting a 15 year old project
  23 Oct 2017, 06:22 • dbemowsk   4 Nov 2017, 16:52

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  4 Nov 2017, 16:52

  So I started picking at disassembly of the mower project in the first steps of it's restoration. I will work on it slowly over time. So, this is the old deck, minus the front pieces that broke off. It is a sheet of acrylic that I got for free. While disassembling parts from it, I had a number of screw posts from standoffs and some screw posts from some rusty eye bolts that broke off in the plastic. I had originally thought about cleaning it up and getting some acrylic glue to put the pieces back together, but the more I think about it, I will check prices on a sheet of lexan or plexiglass and make a new one. Acrylic is brittle, which is why pieces broke off. Lexan and plexiglass are a little more flexible. And here is a pic of the basic frame with the drive wheels still attached. It is a bit rusty, but with a sand blaster, some primer and a bit of paint, I think it will clean up just fine. I have some more pics from the tear-down on my website if anyone is interested. https://dan.bemowski.info/image-gallery/nggallery/robotics/Mowbot---First-Steps-In-Restoration
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  Say hello to Wakame Computer
  30 Oct 2017, 15:02 • madscientist   30 Oct 2017, 21:56

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  30 Oct 2017, 21:56

  Maybe it's just a matter of using the proper firmware as bootloader, like uboot or some openfirmware like image in the rom chip, then calling the linux os from a usb unit.
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  Transformer-less power supply
  4 Oct 2017, 18:42 • Suresh Mali   30 Oct 2017, 11:49

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  30 Oct 2017, 11:49

  @Suresh-Mali I recall from discussion back that using a Linear regulator like 7805 at the end of this sort of power supply is almost always a bad idea. Here every design use Zener for a reason. Zener will only dissipate heat when there is extra power available. Linear regulator will always dissipate power leaving less available power for your application.
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  Assistance on sensor project
  arduino gas sensor • 29 Oct 2017, 15:31 • Sally Hayford   29 Oct 2017, 22:36

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  29 Oct 2017, 22:36

  @gohan said in Assistance on sensor project: While you are at it, get some extra parts too, just in case you fry something since in the beginning it is not that hard. And they're cheap.
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  Furnace Fire monitor
  26 Oct 2017, 20:35 • p0lar   28 Oct 2017, 02:23

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  28 Oct 2017, 02:23

  the heater for my house started to overheat. I think I will put a high temp metal sensor the airflow just to watch it. Thanks. I too was happy nobody was hurt
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  Solar Powered Soil Moisture Sensor
  7 Jun 2016, 11:16 • flopp   21 Oct 2017, 22:11

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  21 Oct 2017, 22:11

  Hi, I started building this great idea of solar powered soil moisture sensor. Not integrated yet in a solar light as above, but still on my desk. I tested the sensor in salted water and I get a report of 78% moisture : based on your experience, is it normal ? Then I pushed the sensor in a very humid plant pot and read 71%. I would have expected mroe differenc ecompared to salted water. So, would you advise to caliber ? I guess I could modify the calculation formula in the script.. Precisely, is it possible with Mysensor technology and Domoticz to push to a sensor a new setting (for instance to caliber using Domoticz each different sensor) ? And another question.. Is it possible to ask Domoticz to show the result of moisure reading in the Weather or Measures category rather than in the Temperature menu ? br, Ricorico94
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  "interface" to my OPC-System
  20 Oct 2017, 10:57 • jopebe   20 Oct 2017, 10:57

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  about ACK ...
  9 Oct 2017, 12:25 • zzz-teo   9 Oct 2017, 21:50

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  ... this approach seems that work ! #define ACKDELAY 40 //seems 40 millis is a good value bool nodeACK = false; void SendData(byte sensor, byte destination, bool value, bool ack) { msg.setSensor(sensor); msg.setDestination(destination); for(byte i=0; i<=ATTEMPTS; i++){ if(send(msg.set(value),ack)){ Serial.println("Gateway ACK"); // wait(ACKDELAY); if(nodeACK == true){ Serial.println("Node ACK"); nodeACK = false; break;}else{ Serial.println("Node NACK"); } }else{ Serial.println("Gateway NACK"); } wait(ACKDELAY); } } ... in combination with this void receive(const MyMessage &message) { if (message.isAck()){ nodeACK=true; digitalWrite(LED_PINS[message.sensor], message.getBool()? LED_ON:LED_OFF); Serial.println(F("ACK recieved LED Status Changed")); } ... but probably is not the most elegand way! ... because if during the send/ack back message duty cycle, an ack from an other sensor received, a conflict may occure! i do not feel safe! (i also have a feeling that i did that post in the wrong topic! )
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  Smartmeters inverted data software corrected?
  5 Oct 2017, 09:06 • YFandS   8 Oct 2017, 21:51

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  8 Oct 2017, 21:51

  Esp8266 can still be used as gateway with on board sensors, just in case...
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  Need example for setup : RFLink + mySensors Project with NRF24L01
  5 Oct 2017, 07:15 • knop   5 Oct 2017, 10:40

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  5 Oct 2017, 10:40

  @TriXwooD RFLink MySensors support is limited, receive mysensors messages only if I am correct. You can ask Stuntteam from RFLink active on domoticz forum for example: https://www.domoticz.com/forum/viewtopic.php?f=49&t=19435 (seeing double replies, soory, time is wrong on this machine and that screwing up temp files, caches and ceritificates
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  Alarm Clock
  1 Jul 2017, 18:26 • ben999   4 Oct 2017, 05:55

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  4 Oct 2017, 05:55

  @Newzwaver you can find the needed files here
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  Gas Meter Reading Using a Magnetometer
  11 Feb 2017, 17:14 • dpcr   3 Oct 2017, 19:05

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  3 Oct 2017, 19:05

  I was thinking to have it powered with battery and solar charger but lot can go wrong with this setup, may be best to have it powered via proper power supply, i have ordered sensor and i will build this once i get that delivered and report back, i was thinking to calculate co2 footprint as well for gas usage. @dpcr said in Gas Meter Reading Using a Magnetometer: @pihome I power mine with an adapter as well. This node sends too much information to be battery powered. I was researching solar because the sensor sits outside on the south side of our home but never followed up on it. Maybe for another day.
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  Rain sensor
  rainsensor • 24 Oct 2016, 11:49 • mbj   21 Sept 2017, 15:19

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  @mbj said in Rain sensor: @jumping Unfortunately I had no time to look at anything last week and i will not be able to do it the next cople of weeks because of travelling but I promise it will come. I assume that you also have seen the code for a rain sensor at the Mysensors forum but if not take a look there in the meantime. I know this is a different solution but might be of interest anyhow. No problem thanks
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  Python script to communicate with serial gateway
  21 Sept 2017, 13:21 • pihome   21 Sept 2017, 13:21

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  Freezer Temperature Alarm finished
  31 May 2017, 03:57 • signal15   20 Sept 2017, 19:36

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  Just wanted to throw this out there as I was revisiting this post today. This could pretty easily be modified to have a digital display with buttons to adjust temperature, and a 5A solid state relay. This would allow you to completely replace the mechanical thermostat. My thermostat replacement was nearly $40 after shipping, and it's rated at 5A so those 5A relays should work just fine. This would be a cheaper replacement for the mechanical thermostat and would give you better temperature control. Maybe better temp control isn't needed if you're just using for a freezer, but if you're a home brewer and trying to keep fermenters at a constant temperature, this would be very useful. You could even add PID code to it.
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  3G Serial Bridge for Vera
  18 Sept 2017, 20:47 • BulldogLowell   19 Sept 2017, 22:57

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  19 Sept 2017, 22:57

  BRAVO, nice job.
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  Automated Raised Garden
  18 Sept 2017, 16:58 • thumper   18 Sept 2017, 16:58

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  Video How To - Monitor your Refrigerator
  19 Dec 2015, 16:14 • petewill   16 Sept 2017, 17:05

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  16 Sept 2017, 17:05

  Hi And thanks for the reply, I do have the PT1000 as well as those sensors. The only thing is I am trying to find a use for the PT1000. I have already placed one in my deep freeze and one out door but have several more that I just want to use. It's not the cost as most of the projects on this are cheap, it's the challenge of getting it done. Thanks again, I
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  This topic is deleted!
  14 Sept 2017, 16:50 • SteveSMK7   14 Sept 2017, 16:50

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  A6c camera usage and sending it to email
  13 Sept 2017, 03:41 • A Former User   13 Sept 2017, 03:41

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  Figaro TGS5042 Carbon Monoxide Sensor & Op Amp
  12 Sept 2017, 16:19 • sharathb   12 Sept 2017, 16:19

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  Help getting started - temperature sensor network for beginner
  23 Dec 2014, 06:28 • majic   10 Sept 2017, 19:38

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  10 Sept 2017, 19:38

  @majic Are you able create the wifi network in all your house? ( wifi bridges on each floor etc? ) If yes, then buy some Sonoff units, flash ESPEasy to them, connect Dallas temperature sensor, plug in to the electricity outlet in each flat and instal Domoticz in your computer. You can see graph data on your computer then.
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  RFID sensor, no messages from MQTT GW (reboot on sending)
  2 Sept 2017, 13:36 • mortommy   9 Sept 2017, 21:36

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  9 Sept 2017, 21:36

  ok, some news here: first of all I fixed my issue with the gateway disabling the debug as suggested here. I had anyway some messages lost. Looking at the mqtt broker I couldn't see any message telling me the gw was rebooting and not only messages from gw to sensor were lost also between sensor and gw. I tried to remove the decoupling capacitor and is everything working. thank you
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  Nap machine / Scene controller
  2 Sept 2017, 22:12 • ferpando   4 Sept 2017, 10:37

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  4 Sept 2017, 10:37

  Hello, Here's a simple schematic of the project
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  New version of this smoke detector sketch available?
  2 Sept 2017, 14:36 • chorob   2 Sept 2017, 14:36

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  SoftSerial battery drain
  31 Aug 2017, 11:12 • kted   1 Sept 2017, 16:38

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  1 Sept 2017, 16:38

  @mfalkvidd Haven't tried that. I'll give it a chance just in case.
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  Yet another simple roller shutter (cover) node
  9 Apr 2017, 18:15 • dpressle   1 Sept 2017, 13:49

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  1 Sept 2017, 13:49

  @gryzli133 Sorry but i dont know how to debug Domoticz
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  IKEA Varv lamp and MySensors
  30 Aug 2017, 18:53 • doctor64   31 Aug 2017, 21:01

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  31 Aug 2017, 21:01

  Nice solution. Also that is a very compact (tested and safe) 220V ac -> 19V DC converter inside... hm...
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  This topic is deleted!
  28 Aug 2017, 09:43 • jumping   28 Aug 2017, 09:43

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  Diy remotes
  25 Aug 2017, 14:37 • rchamp   27 Aug 2017, 14:39

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  27 Aug 2017, 14:39

  I would use the pin change interrupts. If you search you can find a neat hack for making PCINT work to wake up the micro from MySensors sleep loop. That gives you many interrupts to use.
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  MySensors in my Smart Home
  21 Aug 2017, 22:40 • brendanl   25 Aug 2017, 07:48

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  25 Aug 2017, 07:48

  Great news! I am on the same path, using MySensors and OpenHAB 1.8. But I am using a commercial MQTT broker - CloudMQTT in order to collect data from two physical sites. I am looking forward to reading more about your progress. Keep up the good work! As we move into autumn and I play less golf, I might enter my own story on this forum.
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  L.I.S.A. Home Automation system with voice command on raspberry pi
  24 Aug 2017, 17:13 • jaumard   24 Aug 2017, 17:13

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  My Sensorized Weighing scale - Need help in code modification
  23 Apr 2017, 08:23 • tango156157   20 Aug 2017, 11:05

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  20 Aug 2017, 11:05

  Would be great to see some photo of hardware you have to get this working?