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Status of my rv(camper) home automation system 2020-2025
My Project • about 21 hours ago • fsgraz about 21 hours ago

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💬 air quality motherboard for sensor.community project
OpenHardware.io • sensor.community luftdaten dust sensor • 2 days ago • openhardware.io 2 days ago

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IKEA UTRUSTA remote control
Controllers • 3 days ago • JanJaap Jagtenberg 3 days ago

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@JanJaap-Jagtenberg according to https://www.reddit.com/r/tradfri/s/gvFcOmHe8h the ”best” solution is to replace the led driver (but keep the lights). An alternative might be to buy a used remote on ebay or a local equivalent. Do you know what is wrong with your current remote? Maybe it can be fixed?
DHT22 wrong sensor type in Home Assistant
Troubleshooting • 8 days ago • Commodoreuno 3 days ago

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3 days ago

I'm glad that worked!
Code Garage to the rescue.
General Discussion • 11 Jan 2025, 11:25 • skywatch 8 days ago

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8 days ago

Hi, I'm glad CodeGarage is taking over! Please are there any updates since January what's happening? The GitHub repo hasn't gotten commits for over a year. Thanks!
is this project dead?
General Discussion • 8 days ago • perfectom 8 days ago

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Interface-board-for-remote-control
My Project • 12 days ago • OldSurferDude 12 days ago

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Radar motion sensor
My Project • 14 days ago • suresh sharma 14 days ago

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ESP32 with LoRa
General Discussion • 31 Jan 2023, 11:06 • dhanushmh 16 days ago

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16 days ago

Hey! If you're using ESP32 with LoRa (RFM95) and a Raspberry Pi gateway, here are some quick tips: Hardware: Heltec ESP32 + LoRa boards work great with MySensors. Power: ESP32 (~600mA) + LoRa (~120mA) can drain batteries fast—Arduino might be better. Software: Use Arduino IDE for ESP32 (try EnergyMeterPulseSensor), and set up an MQTT gateway on the RPi. Home Assistant works well for data visualization. Real-World Tips: MySensors + LoRa is great for farm/weather monitoring—checking similar projects can help.
Is it possible to extract child ID from a just sent message?
General Discussion • 8 Nov 2021, 09:21 • Nigel31 19 days ago

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19 days ago

It seems you can access the child ID from the sent message by looking at the destination property. If you have the message object, you can extract the ID directly from there.
Why is the output of ACS712 current measurement module unchanged?
General Discussion • mysensors • 19 Jul 2021, 09:09 • Tessie T 20 days ago

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20 days ago

@ZenBlizzard in case you are measuring the output with a multimeter, you will get an averaged level, since AC current waveform should be sinusoidal and overlapped with the Vcc/2->2.56V in your case. To measure the current you need a decently high sampling and some math. #define SENSITIVITY 66 // mV/A const float readings = 5; const float alpha = 2.0 / (2 * readings + 1); for (ifor = 0; ifor < 250; ifor++) { // Voltage voltageSampleRead = analogRead(V) * vccRead / 1023 - vccRead / 2; /* read the sample value including offset value*/ voltageSampleSum = voltageSampleSum + sq(voltageSampleRead); /* accumulate total analog values for each sample readings*/ voltageSampleOffsetSum = voltageSampleOffsetSum + voltageSampleRead; // Current currentSampleRead = analogRead(I) * vccRead / 1023 - vccRead / 2; /* read the sample value including offset value*/ currentSampleSum = currentSampleSum + currentSampleRead * currentSampleRead; /* accumulate total analog values for each sample readings*/ currentSampleOffsetSum = currentSampleOffsetSum + currentSampleRead; wait(1); } voltageMean = voltageSampleSum / ifor; /* calculate average value of all sample readings taken*/ voltageOffset = voltageSampleOffsetSum / ifor; reading = (sqrt(voltageMean) - voltageOffset) * 230.0 / 1.0; // read voltage / reported voltage. voltage = round_to_dp(alpha * reading + (1 - alpha) * voltage,1); Serial.println(voltage); if (voltage < 25) voltage = 0; currentMean = currentSampleSum / ifor; /* calculate average value of all sample readings taken*/ currentOffset = currentSampleOffsetSum / ifor; reading = (sqrt(currentMean) - currentOffset) / SENSITIVITY * 1000 - currentZeroOffset; // subtract no load current. if (reading < 0) reading = 0; current = round_to_dp( alpha * reading + (1 - alpha) * current,2);
JSN SR04T - Temperature Influencing Readings
Troubleshooting • ultrasonic water level tank • 6 Sept 2019, 07:51 • Timbergetter 21 days ago

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21 days ago

I'm having the same / a simular issue of temperature related readings, but at a different temperature level (for me it must be > 14 degree). I massure the dew point as well (temperature = orange, dew point = yellow). It looks to be more related to water in the air than only to temperature. @zboblamont have you been finally been able to find a solution?
Email notifications received twice
General Discussion • 6 Feb 2023, 16:15 • Jodaille 22 days ago

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22 days ago

It looks like duplicate email notifications may be linked to system settings or preferences. Have you noticed if the issue happens after specific actions or changes? Investigating your notification settings might shed some light
No merge into master in the last 5 years, should we use development?
General Discussion • 23 Sept 2024, 17:48 • kiesel 24 days ago

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24 days ago

Well, my network with two handfulls of nodes in three different locations is still live and kicking! I agree that there does not seem to be a lot happening in the community. I'm running 2.4.0- alpha since this gives support for MQTT over TLS. Just managed today to create one more MQTT GW after reading a lot about support for ESP8266. You know, these things you do once per year and have to learn new each time. MySensors is the cheapest way I have found to create small sensor nodes etc. But now slowly running out of my supply of hardware. Well, time will tell...
PJON and Minicore not working
Development • 28 days ago • Trand 28 days ago

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JSN-SR04T-V3.0 Coax cable extended
Troubleshooting • 30 days ago • bocalexandru 28 days ago

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28 days ago

Update and problem fixed! For everybody that will encouter this, the problem was at the sensor side because of the folder of the sensor! We created some metal brackets for it and they where exactly the same diameter. The fact that the mount squeezed the sensor made it return the lowest value. Just needed to adjust the hole and everything was ok!
ESPnow as transport layer
Feature Requests • 18 Mar 2025, 10:02 • MasMat 19 Mar 2025, 05:24

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19 Mar 2025, 05:24

I never noticed the 20 device cap. That won't do. What I am thinking of now, is to use EspHome and just dedicate a router to handle just that network - so kinda creating an IoT network without internet access and as standalone as possible. Using static IPs should make the response better too. Thanks for looking into this.
Ghost Child
Troubleshooting • 15 Mar 2025, 07:44 • FcNanoLed 18 Mar 2025, 18:36

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18 Mar 2025, 18:36

I want to thank @FcNanoLed. I had long thought about a serial gateway. This would be a way to add I/O to a linux computer. In the process of trying to help, I built up a linux machine running virtual box. In the virtual machine I ran Home Assistant The not well documented part of that was to connect the USB port of the computer to the virtual machine (settings-->USB-->USB Device Filters) (note that one can buy a refurbished PC for about the same price as an equivalently configured RPi) So thanks for the inspiration!
Home Assistant/MySensors quirks
Development • 17 Mar 2025, 02:35 • OldSurferDude 17 Mar 2025, 02:35

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Which device I have to use to connect with accelerometer before connecting to my pc?
General Discussion • 24 Jan 2023, 17:16 • Yada Kijsathan 16 Mar 2025, 20:17

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16 Mar 2025, 20:17

When connecting an accelerometer to your PC, consider its communication protocol (I2C or SPI) and the appropriate interface device, like a microcontroller (e.g., Arduino). You may also need additional hardware for voltage adjustment or signal conditioning, depending on the sensor’s specifications.
Door chime
My Project • 9 Mar 2025, 10:06 • Paul Scarbro 13 Mar 2025, 00:15

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13 Mar 2025, 00:15

@Paul-Scarbro There are multitude of solution, but since we are in MySensors Land, let's do a MySensors solution. You'll quickly see that doing that adds a lot of overhead. We'll use an Arduino Nano or RF Nano if you're going to go whole hog. It can be run from 3.3V or 5V DC, not AC. The reed switch would be connected to an input of the Nano and one of the outputs would drive a relay. The relay would drive the chime. Your C++ program would be something like: #define inputButton 2; // connect reed switch here #define outputRelay 4; // connect relay to this pin see MySensors Relay example #define RELAY_ON 1 // GPIO value to write to turn on attached relay #define RELAY_OFF 0 // GPIO value to write to turn off attached relay void setup() { pinmode(inputButton,INPUT); pinmode(outputRelay,OUTPUT); // put your setup code here, to run once: } void loop() { // put your main code here, to run repeatedly: if (digitalRead(inputButton) == 0) { digitalWrite(outputRelay,RELAY_ON); wait(2000); // wait 2 seconds digitalWrite(outputRelay,RELAY_OFF); // now wait for door to close while(digitalRead(inputButton) == 0) ; //does nothing until reed switch opens } } There are some subtleties that I may have glossed over, but this is the gist. By looking at the MySensors Relay example, you'll see how to integrate this into a MySensors environment. That's where you'd want to get the RF Nano. I've made the assumption you're familiar with the Arduino IDE and you've looked into the MySensors environment.
MQTT-Help me understand about the MQTT Gateway.
Development • 2 Mar 2025, 01:44 • dpcons 12 Mar 2025, 23:39

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@dpcons MQTT sounds intimidating and looks imitimidating when you see all of the options available. Here's the scenario: You want to send a message. That's the -m option followed by a space and the message between " " the location, topic, is a tree, -t option, separated by forward slash / eg. MyRootTopic/MyTopicsSub/MyTopicSubSub It's as easy as that if your broker, the MQTT service (program) is on the same computer as the sending program. Usually it's not. Specifiy the location, the host, of the broker with the -h option followed by the host name or IP address The retain option, -r is important but explaining it is beyone the scope of this message Receiving, subscribing, to a topic is just the same, but you wouldn't have the -m message If you subscribe from the command line, the subscribe function waits indefinitely for messages published to the subscribed topic (unless you use the -C option) ^C to terminate the command. A tamotized device with the MQTT configured will create a number of topics on the broker. Home Assistant will see this automatically, if you have the Tasmota and MQTT Integrations installed. The MySensors MQTT gateway takes care of MQTT communication for a MySensors device. Again the MySensors and MQTT integrations. I use both. -OSD
PJON on RS485
Feature Requests • 11 Apr 2022, 06:58 • hypnosiss 9 Mar 2025, 07:57

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9 Mar 2025, 07:57

25/25 Програма ChatGPT сказала: It seems like you're exploring the use of PJON with RS485. While RS485 is natively supported in MySensors, using PJON for collision handling can offer some interesting advantages, especially in environments where communication reliability is critical. PJON's collision management may be useful in bus systems like RS485, but it's worth considering whether the added complexity is necessary.
ESP32 Wired (no WiFi)
Feature Requests • 15 Nov 2024, 10:39 • Marcin 9 Mar 2025, 07:54

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It seems that using an Ethernet PHY (like LAN8720) with the ESP32 in a MySensors setup requires a bit of extra configuration, including initializing the PHY using the ETH.h library and disabling the default Wi-Fi initialization. Interestingly, this setup allows for dual IP addresses, with one for the Ethernet connection and another for Wi-Fi, which can be useful in certain applications.
NODs stop responding, but ping works.
Troubleshooting • 8 Mar 2025, 19:47 • Marcin 8 Mar 2025, 19:47

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Meet in Malmö, Summer 2016?
General Discussion • 1 Feb 2016, 15:34 • bjacobse 4 Mar 2025, 00:29

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4 Mar 2025, 00:29

Maybe next summer the 10 years after party? I would still like to meet all of you guys in real person
Getting system time from the controller
Troubleshooting • 27 Feb 2025, 01:39 • dpcons 3 Mar 2025, 01:00

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@mfalkvidd Thanks, I'll try that.
Adding Listen only device to my system.
Development • 26 Feb 2025, 00:39 • dpcons 26 Feb 2025, 06:26

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@mfalkvidd Thanks for the info!
Compiling Sensor code using BME280 and ESP8266
Troubleshooting • 26 Feb 2025, 00:32 • dpcons 26 Feb 2025, 06:22

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26 Feb 2025, 06:22

Thanks for looking. What arduino ide version are you using and what version of mysensors?
Sensor to detect marijuana vape/smoke
Hardware • 21 Jan 2025, 06:36 • Hellmark 25 Feb 2025, 20:56

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25 Feb 2025, 20:56

There are air quality monitors that can detect VOCs (volatile organic compounds), and some that claim to pick up marijuana smoke specifically. Devices like the Airthings Wave Plus, uHoo Air Sensor, or Plume Labs Flow could help identify changes in air quality. Another option is checking with industrial-grade smoke detection companies that provide sensors for businesses and schools, and some of them may also have solutions suited for home use. If you want more information on vape-related products, including how they work and their components, check out Geek Bar Pulse X Platinum Edition. Understanding vape devices can help recognize patterns of use or detect scents earlier.
ESP-NOW
General Discussion • 220v i recently noticed that expres between esp8266 and es[p which allows direct conection if has released esp-now • 22 Apr 2018, 05:58 • NeverDie 17 Feb 2025, 22:24

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Old topic, I know. Did anything ever come of this? I'm also thinking it would be easy & cheap to get the espnow working as a transport layer. I found this: https://www.mysensors.org/apidocs-beta/classESPNOW.html But it goes above my head and abilities when it comes to code.
How to find the wire combinations in a nema 17 stepper motor with six wires?
Enclosures / 3D Printing • 17 Feb 2025, 05:48 • jack22 17 Feb 2025, 05:48

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Nb of possible nodes in a mysensors networks with domoticz
My Project • 13 Jan 2025, 18:10 • GLAB 16 Feb 2025, 01:11

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@OldSurferDude yeah, 10 virgin nodes powered up at the same time is a bad idea I seem to remember reading somwewhere here warning aginst that. If yu have node ID trust issues with Mysensors you should move your address to different locaion as 0x00 is used by Mysensors... just sayin..;)
Newbie questions
Hardware • 14 Feb 2025, 20:03 • magwas 14 Feb 2025, 20:03

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Human presence sensors....
General Discussion • 31 Jan 2025, 10:54 • skywatch 9 Feb 2025, 19:36

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@CodeGarage What I want is a lion powered Sensor if possible. And that in a case I can stick to the door frame. As I cannot screw or drill into the doorframe. But I have no idea how much current that draws.
Sending offset to node
Development • 31 Jan 2025, 00:59 • bsl88k 4 Feb 2025, 12:14

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Thanks for the idea, i will look into it soon, will let know how it goes..
Combination of networks
General Discussion • 1 Feb 2025, 17:30 • Sniker 4 Feb 2025, 01:02

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Take a look on this article https://www.mysensors.org/build/rs485
Wio-E5 (STM32 and SX1262)
My Project • 31 Dec 2024, 17:52 • nagelc 25 Jan 2025, 20:21

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Quick Range Check on the WIO-E5-LE. The LE version uses only the low power PA, +14dBm max. Using the default settings except for 915MHz #define MY_SX126x_FREQUENCY (SX126x_915MHZ) #define MY_SX126x_LORA_SF LORA_SF7 #define MY_SX126x_LORA_BW LORA_BW_125 #define MY_SX126x_LORA_CR LORA_CR_4_5 I get about 190 meter range, just walking around the neighborhood, line of site except for some trees and power lines. No tuning on the antenna. Just using a 77.9mm wire. Not as dramatic as some have achieved with LoRa radio's, but plenty good enough for my house and yard : )
Running out of nodeId's
General Discussion • mysensors • 3 Sept 2024, 07:33 • NielBierman 25 Jan 2025, 17:19

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@GLAB You can set the frequencies using the settings in MyConfig.h, which is in the MySensors folder. If you put any of the defines from MyConfig.h into your sketch, they will override the MyConfig.h setting for that sketch only. If you are using the RF24 radio, there are different channels which correspond to a given frequency. The default is channel 76. There is a list of typical channels in MyConfig.h. If you want to change the channel for all the sketches, change it in MyConfig.h. If you want to change it just for the sketch, add a define to the sketch. For example: #define MY_RF24_CHANNEL (84) The problem with changing the channel in a sketch is that the gateway has to be on the same channel to receive from the node. So, normally it makes sense to change in MyConfig.h because you usually want the gateway and all the nodes on the same channel. Other radio's like the RFM69 list the frequency instead of using a channel. They can be overridden in the sketch as well. You can find the defines that are needed in MyConfig.h
BMP280 SPI Adafruit
My Project • 24 Aug 2016, 01:56 • Matt 23 Jan 2025, 16:25

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Hallo! Ich habe gerade meinen Aduino Nano mit einem GY-BME/P-280 verbunden über SPI verbunden. Im Sketch habe ich nur die PINS geändert und zwar auf: #define BMP_SCK 13 #define BMP_MISO 12 #define BMP_MOSI 11 #define BMP_CS 10 Ich bekomme aber bei der Ausgabe am seriellen Monitor nur "Hyroglyphen" zB 5��,�lh��}��'�O8��m�h,� Mit einem anderen Sketch funktioniert der Sensor einwandfrei. Auch mit einem anderen Nano dasselbe Ergebnis. Hat jemand eine Idee was das Problem sein könnte? Zusatzfrage da ich in C++ nicht so firm bin: Könnte es sein, dass MY_DEBUG oder MY_RADIO_NRF24 das problem verursacht. Was machen diese Definitionen eigentlich? Grüße
💬 Components
Announcements • 11 Sept 2016, 21:04 • hek 23 Jan 2025, 00:08

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@GLAB said in Components: nrf24l01+ I have run the RF24 libraries in 230kbs and that worked for me. I cannot confirm MySensors, but I would assume "yes" OSD
Simulate Online-Recreating 'Flappy Bird' with Arduino Nano
My Project • 15 Jan 2025, 09:13 • Skylar Jones 15 Jan 2025, 09:13

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Saving last known good state, but not in EEPROM
Development • 30 Jan 2024, 18:46 • OldSurferDude 15 Jan 2025, 08:51

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@OldSurferDude jus request counter states from controller on each reset, worked fine with Domoticz... or save in eeprom but increase location every write, on power up/reset search eeprom for largest value stored and carry on from that location, one long integer will fit 256 times in atmega328(p) eeprom, is that long enough for you ?
Radio waking up for no reason.
Development • 4 Jul 2020, 21:09 • Sasquatch 15 Jan 2025, 08:33

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Over 4 years on, and my node ran continuously sending 4 messages every 5 minutes. It's 700mAh LiFePo4 battery voltage dropped from initial 3.45V to 3.24V, according to LiFePo4 voltge/SoC tables It's just under 40% left. 700*60% = 420mAh. 100 mAH per year. using library 2.40 and blob message I could cut usage to ~25mAh/year, not bad
What is form factor?
General Discussion • 15 Jan 2025, 07:33 • Luosi 15 Jan 2025, 07:33

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Gateway without a radio
Development • 12 Jan 2025, 23:19 • OldSurferDude 14 Jan 2025, 22:07

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@OldSurferDude yes, just run the configure command with --my-transport=none
Long time test done with soil sensor!
My Project • 7 Jan 2025, 09:13 • Nicklas Starkel 13 Jan 2025, 09:10

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Wow @Nicklas-Starkel congrats, that sounds great! And thanks for the feedback. Would you mind sharing your setup? Regards, Edi
Counting Incoming and Outgoing Messages from a Gateway
Development • 10 Dec 2024, 21:57 • Trand 14 Dec 2024, 20:23

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@mfalkvidd Thank you very much, that's exactly what I was looking for!
S_GAS, send and request problem
Domoticz • 28 Nov 2024, 05:38 • Marcin 28 Nov 2024, 05:38

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LAN8720A - will mysensors work with this module
Development • 13 Nov 2024, 17:06 • Marcin 15 Nov 2024, 10:59

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Thanks for the answer. I meant that Mysensors has ESP32 support but only in terms of WIFI. It supports e.g. stm32 with ENC or W5500 modules - and the question is whether and how to add ESP32 support with LAN8720 module. I am not considering using ESPHOME or MQTT - I want to have native communication with the controller that implements my control schemes on its side. I try to program KC868-A16 but it does not matter - the question is whether such support can be added in a simple way.
Water Meter or "How to get Home Assistant to send saved data to an Arduino"
My Project • 18 Oct 2024, 02:19 • OldSurferDude 18 Oct 2024, 02:19

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How I delete a node from HA and start over.
Home Assistant • 18 Oct 2024, 02:05 • OldSurferDude 18 Oct 2024, 02:05

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Node 2 is unknown warning in Homeassistant.
Home Assistant • 10 Mar 2019, 19:27 • badisensors 15 Oct 2024, 20:33

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15 Oct 2024, 20:33

@badisensors I have this same issue and am struggling to find a consice answer to the question. Have you figured it out? I would love to see a bit more detail about the important naming and numbering protocals for Gateways, Nodes, Sensors, and their output values within the MySensors architecture. So far, I am not finding much and progress is slow when I simply need to try different iterations and make conclusions/adjustments.
Anybody got one / a few spare minimalist rfm69hw shields for wemos d1 mini?
General Discussion • 20 Sept 2024, 08:45 • kiesel 11 Oct 2024, 15:32

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Thanks for the offer @TheoL ! I have moved on to a differenct project. Also, a lesson that I have learned many times, "If it works, don't fix it!" -OSD
Gateway on my PI when i run HA
Home Assistant • 31 Aug 2024, 21:51 • diltech 5 Oct 2024, 10:31

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Hi, Thank for your reply. Yes, i run since many years with a serial Gateway connected with my PI. I thought it was possible to use the same machine to remove this extra element. If you had a stability issue, I would just stick with my current formula and not change everything for now. Regards,
[mysensors] Not a valid message: invalid literal for int() with base 10: '\x00\x000'
Development • 18 Sept 2024, 20:34 • kiesel 20 Sept 2024, 08:28

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Thanks, I'll keep this in mind if I decide to debug it. I realized that I am also tired of patching the gateway through to the doctor container inside an LXC so now I am looking at creating an esp gateway. Just need to check if I can find a pcb on here. Thanks again!
Echo request is not set
Troubleshooting • 12 Aug 2024, 15:36 • kamilb85 3 Sept 2024, 08:58

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I've found that: char *protocolMyMessage2Serial(const MyMessage &message) { (void)snprintf_P(_fmtBuffer, (uint8_t)MY_GATEWAY_MAX_SEND_LENGTH, PSTR("%" PRIu8 ";%" PRIu8 ";%" PRIu8 ";%" PRIu8 ";%" PRIu8 ";%s\n"), message.getSender(), message.getSensor(), message.getCommand(), message.isEcho(), message.getType(), message.getString(_convBuffer)); return _fmtBuffer; } We put in the print "message.getEcho()", but this isn't echoed message. I think we should put "message.getRequestEcho()" here.
Forum Search not working?
Troubleshooting • 4 Oct 2023, 23:33 • Gibber 2 Sept 2024, 20:28

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Search not working for me . Firefox browser.
Hi,
Home Assistant • 1 Sept 2024, 20:57 • diltech 1 Sept 2024, 20:57

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Best time of year to buy higher quality small project solar panels?
Hardware • 10 Jun 2021, 19:19 • NeverDie 30 Aug 2024, 14:01

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It probably has to do with fewer people buying them once summer ends, so companies might lower prices to clear out stock before winter.
Can not compile MySensors on esp8266
Troubleshooting • 24 Aug 2024, 15:35 • TheoL 29 Aug 2024, 20:47

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@TheoL there are two pull requests adding support for newer versions. One is guaranteed to break again. One should not break in the future, but will instead break all existing sketches. I’m sure a third option would be welcome if you write the code and submit.
Raspberry Pi 5: invalid GPIO 9
Troubleshooting • 27 Aug 2024, 13:20 • igo 27 Aug 2024, 13:20

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Arduino nano and Uno in same My sensors network with NRF24L01+
Troubleshooting • 26 Jul 2024, 10:30 • DIY89 27 Aug 2024, 09:59

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I have mixed Nanos, Pro Minis, ESP8266 and Unos and no problem. I do however have mixed NRF24L01 and NRF24L01+ due to a bad AliExpress saler that stated he sold NRF24L01+ which in fact were not the + version. So I have set my baudrate on all nodes to 1mb. In order to be helpful we need the log on the Uno.
Need advice on solar powering with LiFePo4 battery
General Discussion • 8 Jan 2021, 09:40 • willemx 25 Aug 2024, 22:19

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LiFePO4 batteries are a great choice because they have a long life cycle and are much safer than other lithium-based batteries. However, you need a solar charge controller that’s compatible with LiFePO4 to prevent overcharging and maintain efficiency. A good MPPT controller can significantly boost energy harvest from your panels. Also, ensure your solar panel output matches your power needs. If you're in solar ireland, you might find some local companies that offer tailored solutions for maximizing solar efficiency in lower light conditions.
HVAC type sensor in homeassistant
Home Assistant • 17 Aug 2024, 10:50 • tbowmo 17 Aug 2024, 20:51

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Figured it out. I had to send HVAC_FLOW_STATE to HA, in order for it to figure out that it was a "thermostat". Only problem is that it shows up with states "Auto" "Cool" "Heat" and "Off" in the dashboard, even though I only have the possibility to heat, or turn it off.
A low cost energy meter
My Project • 25 Jan 2024, 01:03 • OldSurferDude 12 Aug 2024, 06:03

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@OldSurferDude yes, you are correct. this sensor is capable of 50A continuous, which safely I would make it working at 40A max., but for such an important load as in your case I would go for a beefier one, like the ACS75x, 77x, but at this point I would also change the node's form factor for space and insulation reasons. On my application on the RV I have a max. curr. of 13A running on a AWG14-16 cable (European rules for RVs), so I did not ask myself too many questions beside, of course, safety. About the signal, it will be a sinusoidal signal swinging around Vcc/2. Vcc can be easily measured internally on the ATmega328. On all my DC sensors I measure Vcc at every loop, just before measuring the ADCs. Honestly, when the space is not an issue like in my RV, I would rather use a ring core current transformer, and I would get rid of noise, response time, power dissipation, but over all no need to cut any cable. Long story short, it has been a nice experiment and I used it for 6 months, and then I switched back to my RF-NANO based RS485-Modbus - Mysensors bridge connected to an off-the shelf power analyzer. Just for fun I attach a pic of my 12Vdc sensors installed on my RV. Forgive me for the spaghetti wiring on the right side, but this is an area that needs improvement.
Water Filtering and Sterilization and Hot Water Recirculation
My Project • 10 Aug 2024, 07:51 • fsgraz 12 Aug 2024, 05:25

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@OldSurferDude thank you !
MYSController with MQTT Gateway (via Node Red)
Development • 11 Aug 2024, 22:35 • slt1 11 Aug 2024, 22:35

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2x BME 280 on 2x arduino nano hangs in HomeAssistant
Home Assistant • 27 Jul 2024, 12:25 • HJ_SK 11 Aug 2024, 19:56

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@HJ_SK said in 2x BME 280 on 2x arduino nano hangs in HomeAssistant: BME280 I had a similar situation. First you have to delete all the MySensors devices in HA. This is aggravated by HA wanting the devices to be on line before you delete them. You may have to delete the MySensors data in the HA config directory. You may even have to uninstall MySensors from HA. Then shutdown HA. Next, turn off your gateway. Are you using MQTT for messaging? You'll have delete the MySensors data from there, too. (MQTT Explorer is good for doing this) Then start HA. Did your MySensors devices come back as zombies? That's the problem. Try deleting them again. Are they data still in MQTT? OK, now start again. I had documented how to do all this deleting in HA Forum, HA/Discord and here, but I can't find that documentation now. grrrr OSD
Alexa Fauxmo - Mysensor Bridge Gateway / BLE - Mysensors Bridge Gateway
My Project • 10 Aug 2024, 08:29 • fsgraz 10 Aug 2024, 08:29

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Where to change settings?
Home Assistant • 15 Mar 2023, 14:58 • eiten 25 Jul 2024, 19:19

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Hey @OldSurferDude I think we have a missunderstanding here. I have my gateways running on ESP32. When I add the integration I can enter the IP in this dialog: If you want to change the IP number of the gateway (or the MQTT topic or the serial port), there is no way to do this:
Some sensors permanently fail after one/two years
Troubleshooting • 25 Jul 2024, 17:17 • Kokosnoot 25 Jul 2024, 17:17

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💬 Building a wired RS485 sensor network
Announcements • 14 Sept 2016, 18:30 • hek 24 Jul 2024, 05:25

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Thank you @JeeLet ! I've been struggling with missing msgs for years with my Arduino Mega I changed pin and no issues! In the pjon code I've reached to list of tested pins that communication works properly https://github.com/gioblu/PJON/blob/38e36bb1228c1690143cfbf693a0bcb809514d6c/src/strategies/OverSampling/README.md?plain=1#L12
How to great variables
General Discussion • arduino mycontroller.org variables • 16 May 2024, 14:43 • wint0178 22 Jul 2024, 06:11

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Nice work so far @wint0178, great that you try expanding on the examples. Sorry for the late reply. If you look at https://github.com/mysensors/MySensorsArduinoExamples/blob/bba998bce09bc5139eb4ca7a05b0279f4083ff88/examples/PressureSensor/PressureSensor.ino#L90 you see where the existing child ids are defines. You just add another one for the gas sensor, with a unique number (incrementing by 1 is an easy way). Try that and report back on your result. If something is unclear, just post a followup.
Suddenly a Sensor is Missing, not the whole Node. (RPI Eth Gateway, HA)
Troubleshooting • 3 Jul 2024, 07:20 • se-O-matic 15 Jul 2024, 08:45

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No, it does not recover. The Problem is not easy to debug. I now want to build a serial gateway. With that, I am more flexible to test. Maybe to run MySensors on a second raspberry pi with a standard Home Assistant HASS-Os image. Or I check the MySensors network with MyController. At this moment i run the whole system on 64 Bit raspbian, with HA in docker, which is a little bit experimental and i had to fix some lines in the ethernet gateway to compile it for 64 bit. So this is experimental, too.
Extraneous info in Debug log
Troubleshooting • debug log • 28 Jun 2024, 22:42 • Gibber 28 Jun 2024, 22:42

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MQTT GW on ESP8266 supporting SSL/TLS?
Development • esp8266 mqtt gw • 4 Jun 2024, 10:21 • bgunnarb 27 Jun 2024, 13:53

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@bgunnarb I like @eiten 's solution for you. Personally, I am not a fan of using cloud/public brokers. Thus I am curious about your system and there is something about it from which I can learn. I would like to understand why you cannot deploy your own mosquitto broker. I see your set up as 3 sensor groups defined by the channel used #define MY_RF24_CHANNEL ChannelOfSensorGroup Each sensor group has some number of sensors and one MQTT GW on ESP8266. On the MQTT side, do you distinguish between gateways by using a different host name? Something like: #define MY_MQTT_PUBLISH_TOPIC_PREFIX "mygateway-nOf3-out" #define MY_MQTT_SUBSCRIBE_TOPIC_PREFIX "mygateway-nOf3-in" #define MY_MQTT_CLIENT_ID "mysensors-nOf3" #define MY_HOSTNAME "ESP8266_MQTT_GW_nOf3" //#define MY_CONTROLLER_IP_ADDRESS 192, 168, 178, 68 #define MY_CONTROLLER_URL_ADDRESS "test.mosquitto.org" #define MY_PORT 1883 I must assume your controller (aka Home Assistant) discriminates between through which gateway the data is to flow by way of the different topic names. If my "something like" is correct, then changing brokers is changing the IPaddress/URL in your gateways and in your controller (though if the controller is Home Assistant, it may be a bother because the device-id's may change which will make a mess of all the work you've done in HA. This is why I like @eiten 's solution.) I hope it's all working for you again. OSD
GatawayESP8266 - Compile error
General Discussion • gatawayesp8266 compile error • 18 May 2021, 11:50 • skom 5 Jun 2024, 15:55

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@eiten Ran into the same error but of course the community is always at hand, ready to help! Great! I'm using MySensors 2.3.2 release version. Downgrading the ESP8266 board library to 2.7.4 as suggested by @OldSurferDude did the trick. I'm still clinging to MySensors. So simple and inexpensive to use! All sensors and other stuff connects over three MQTT GW in three locations back to my Home Assistant. PS: Get well soon! Regards, Gunnar
Help needed with connecting MySensors node to Home Assistant
NodeManager • 16 May 2024, 09:59 • HJ_SK 19 May 2024, 15:01

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Hi2All! Surprising is here. After about 24hours I refresh HA and suddenly my motion sensor was integrated. There is also second entity > battery : 0 , have to look deeper into that for understanding. Need to change little in the sketch, because don't want every short time 'no movement' so only when there is motion and maybe once a hour indication sensor is alive. Meantime I found 3 other good threats: https://forum.mysensors.org/topic/11200/finally-progress-evidence-based-radio-testing-method-and-capacitors https://forum.mysensors.org/topic/1664/which-are-the-best-nrf24l01-modules/27 https://forum.mysensors.org/topic/9550/build-a-reliable-power-supply-chain Very usefull for me also finally progress because of lacking time in the past. Great jobs are done here! Thanks for this all of you guys or girls!
What's a good power bank for use with IoT?
General Discussion • 14 Dec 2021, 17:28 • NeverDie 17 May 2024, 15:03

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@OldSurferDude Thanks a very valued to know. I was wondering today why my (big) powerbanks fall down after short time. I have small 1 & 2-pieces powerbanks, they work very well. I use also BSM hw-168 or hw-107 for charging single 18650. Will try to use them outside also with small solarpanels.
MySensors node not working with Alexa on my Vera
Vera • 28 Apr 2024, 01:21 • dbemowsk 28 Apr 2024, 01:21

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Help me build a RFM69 gateway using wemos d1 + keyestudio RFM69 shield
Troubleshooting • 5 Apr 2024, 23:40 • airmedic79 5 Apr 2024, 23:40

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💬 AC-DC double solid state relay module
OpenHardware.io • light hlk-pm01 acdc light switch solid state relay • 17 Apr 2016, 14:21 • openhardware.io 25 Mar 2024, 20:01

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What I didn't quite figure out was how it operates independently as a regular light switch. What I find most interesting is that this is 8 years old. There have been some incredible advances in the IoT world in that time. I was about to do a similar thing which morphed into an ESP-12F then added a touch screen. I call it the Universal Light Switch Imagine this: All the switches are identical. Any switch can easily be configured to control up to five devices ... and then changed, on-the-fly, to control a different set of devices. My design is part of a system that would require a controller (eg. Home Assistant), an MQTT broker, and receiving modules in the devices being switched. It's WiFI which assumes an access point. The DIY ULS is under $20 and the off-the-shelf receiving modules are under $10. (About the cost of a non-networked dimmer switch) If one doesn't have the controller and MQTT broker, they can run on an old (5 years?) computer (which is cheaper than an old RasberryPi). This project is a good one! OSD
Old hardware migration
General Discussion • 29 Feb 2024, 03:43 • dbemowsk 1 Mar 2024, 23:03

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@OldSurferDude My old 2.0 setup is with nRF24L01 radios. This is a link to the thread on some light switches that I designed and built. https://forum.mysensors.org/topic/7376/us-decora-wall-switch-continued/2 I am aware that you cannot have two MQTT gatways. When I designed my old setup I was not that familiar with MQTT so I never ended up implementing it. On the home assistant server that I have set up though, I have installed the MQTT broker on there so I should be able to comunicate with any MySensors stuff over MQTT in the future devices I make/set up. As I mentioned, I do have a Home Assistant box that I have started about 4 months ago and eventually want to migrate my Vera equipment to the HA box. As for the YAML and Python, I'll muddle my way through. used to program in PHP and have done enough on Arduino that I'm sure it won't hurt my brain too much.
💬 In-wall scene controller OLED keypad
OpenHardware.io • mysensors scene controller wall switch oled display keypad • 1 Jan 2018, 03:23 • openhardware.io 29 Feb 2024, 03:55

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@Michael-Link I have been out of touch with MySensors for some time now and looking to slowly get back into it. I created this and a few other boards back in 2018 All of the GERBER files for this are in the "Design Files" tab. Those you should be able to send to JLC PCB or one of the other fab houses and have some made. This was designed to be used with 2 other boards that I designed. There was the processor board and the power supply board. The processor board was designed in a way that I could use a couple different switch boards. This one and a universal multi-switch board that had multiple configurations. If you look here you will see my other boards.
openHAB 4 MySensors Binding
OpenHAB • 1 Aug 2023, 22:19 • ben999 7 Feb 2024, 14:25

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Hi @adds666 I did in between the switch from 2.5.12 to 3.4.4 a change from pure textual configuration in 2.5.12 to a UI configuration in 3.4.4. This requires some homework. Can't remember beside the exchanged mysensors binding files anything else to upgrade to 4.0.4 from 3.4.4 and finally to current 4.1.1. Keep in mind, I use a OpenHAB manual installation on a non-Debian Linux system, not openHABian. This may have an influence, but I don't expect any hiccups. kerberos
Gateways
Development • esp8266 raspberry pi serial gateway nano rpi tcp gateway mqtt gateway • 6 Feb 2024, 01:16 • OldSurferDude 6 Feb 2024, 14:22

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@OldSurferDude well, the ESP8266 is limited to 4 TCP clients in arduino IDE. This can't be really increased. I did som experiments and you can set it up to 15, but after the 5th client on my web server, I got a freeze. Maybe you got something wrong. #define MY_GATEWAY_MAX_CLIENTS 2 defines how many controllers (eg Home Assistant) can connect to the gateway, not how many sensors/MySensors devices. And yes, you can have multiple TCP gateways in HomeAssistant. I got an NRF24, an RFM95 long range and a RFM95 short range gateway (all based on ESP32) on the same Home Assistant. Regards, Edi
Sleep mode for bmp280
Hardware • 20 Feb 2018, 13:24 • fishermans 5 Feb 2024, 18:30

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Just wanted to say thanks for this, it is still relevant and useful six years later !
single-click, double-click, long-press button possible with MySensors?
General Discussion • 4 Feb 2024, 08:28 • dirkc 4 Feb 2024, 11:18

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hey @dirkc, maybe you can trigger your interrupt to rising and falling edge and use millis() to see how long the press was?
Serial Gateway woes
Development • 3 Feb 2024, 20:31 • OldSurferDude 3 Feb 2024, 20:31

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"Remote Irrigation with LoRaWAN: LM27313 Challenges and PCB Design"
Hardware • 24 Jan 2024, 23:06 • wrendral 3 Feb 2024, 07:13

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@wrendral said in "Remote Irrigation with LoRaWAN: LM27313 Challenges and PCB Design": I will go with a Li-Po Battery type: 304048 3.7V 1200mAh Might work, but maybe the internal protection will trigger with the high current peaks. I'd suggest you plan a 0 Ohm, (2512/THT) resistor as R2 and then replace it with a 100Ohm/1Watt if the protection triggers.
RS485 to custom PCB - comms working, relay not clicking - need helps
Troubleshooting • 23 Jan 2024, 20:17 • adds666 29 Jan 2024, 13:55

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Hi OSD, thanks for your input. Those are the 4 relays on IO-MCU. I buzzed out the circuit and found that I had an open circuit on the 12v line to the relays. Furthermore 2 of the relays indicator LEDs were illuminating, 2 were not. I suspect, when I first juiced up the circuit on this MCU, the 2 relays fired, but I'd made the trace too thin for the required current. I wired up some jumper wire on the reverse of the PCB and the 2 relays started working. The 2 that remain inoperable? https://forum.arduino.cc/t/using-pins-a6-a7-on-pro-mini-compatible/118050 A6 and A7 can only be analogue inputs, cannot be digitally written to..... - so this part of my PCB is now redundant. However, all in all, some good fault finding, found the two issues, and I'm now going away to re-think my PCB trace widths and reading the datasheets more accurately Thanks
Gateway on Raspberry pi 1
General Discussion • 16 Jan 2024, 17:10 • mimaret 26 Jan 2024, 19:34

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@mimaret It was a pleasure. Thank you for your feedback!
MySensors (HA) having multiple gateways with local sensors
Troubleshooting • 21 Jan 2024, 18:54 • Willie-wortel 21 Jan 2024, 18:54

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Most reliable "best" radio
General Discussion • 20 May 2022, 21:11 • NeverDie 20 Jan 2024, 03:33

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It has been a long time but I’ve learned a few things that I wanted to share. This library of information (Thank you NeverDie and others) has been so helpful in my hobby developments. Software Defined Radios for signal analysis. With the help of Andreas Spiess explanation of IQ transformations, I learned about Software Defined Radios and I bought one (RTL-SDR). Using this I can clearly discriminate between effective 433 MHz transmitters and bad ones. Not only is the signal density displayed on the software (SDR#) but so is the frequency. Power Profiler Kit II has been indispensable in watching power usage and seeing into the details of the radio transmission. In effect this thing has saved me from buying an oscilloscope for my simple little bench. Tonight, I saw this video: https://www.youtube.com/watch?v=Z9nycymUd-I It describes common PCB errors. It is too advanced for me, but I did pick-up a few ideas about ground planes (tip #6 from the video). I hope this is of some value for folks.
Home Assistant update changed USB port name
Home Assistant • 14 Jan 2024, 17:25 • therik 15 Jan 2024, 10:26

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What I did not try but might work: copy your persistence file, delete the old GW and create a new one with the persistence file you copied. Maybe the devices are preserved like this. Maybe you should create a full backup before... <edit: typo>
Does MySensors require Arduino Timer 2?
Hardware • mysensors interrupt nano interrupts esp • 6 Jan 2024, 19:39 • OldSurferDude 11 Jan 2024, 04:39

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I have success! (oops, that's suppose to be Timer1) I only sample for 1/60 of a second. What I did was to back up all the timer registered I used and then resorted them after I was done sampling. (As opposed to initializing the registers in setup and then starting the timer when needed.) Now I have a Nano sampling the data and sending it to a MySensors Gateway on an RPi3B+ which then sends it to an MQTT broker runing on an old laptop. Also running on the laptop is Home Assistant running inside of VirtualBox. If MySensors does use Timer1, it appears that restoring the registers allows it to be shared. //------------------------------------------------------ISR ISR(TIMER1_OVF_vect){ // interrupt service routine for overflow TCNT1 = TimerPreloadValue; // must be first line! starts the timer counting again digitalWrite(TRIGGER_START_SAMPLE_PIN,HIGH); samplesVolts[--sample]=analogRead(VOLTS_IN_PIN); // decrement before capturing samplesCurrent[sample]=analogRead(CURRENT_IN_PIN); digitalWrite(TRIGGER_START_SAMPLE_PIN,LOW); if (!sample){ // count down to zero digitalWrite(TRIGGER_START_SAMPLE_PERIOD_PIN,LOW); // indicate that sampling is complete samplingEnd = micros(); TCCR1B &= 248; // turns off timer } } //------------------------------------------------------sampleOneCycle void sampleOneCycle(){ // back up timer registers uint8_t TCNT1_b = TCNT1; uint8_t TCCR1B_b = TCCR1B; uint8_t TCCR1A_b = TCCR1A; uint8_t TIMSK1_b = TIMSK1; // configure timer which starts the sampling noInterrupts(); // disable all interrupts TCCR1A = 0; TCCR1B = 0; TCNT1 = TimerPreloadValue; // preload timer //TCCR1B |= (1 << CS10)|(1 << CS12); // 1024 prescaler TCCR1B &= 248; // turns off timer? TIMSK1 |= (1 << TOIE1); // enable timer overflow interrupt ISR // demark sampling sample = NUMBER_OF_SAMPLES; // count down to zero digitalWrite(TRIGGER_START_SAMPLE_PERIOD_PIN,HIGH); samplingStart = micros(); TCNT1 = 65535; // first trigger right away! TCCR1B |= 1; // turns on timer interrupts(); // enable all interrupts // wait for sampling to be complete while(digitalRead(TRIGGER_START_SAMPLE_PERIOD_PIN)){}; samplingEnd = micros(); // restore timer registers TCNT1 = TCNT1_b; TCCR1B = TCCR1B_b; TCCR1A = TCCR1A_b; TIMSK1 = TIMSK1_b; }
(SOLVED) Sensebender Gateway and HomeAssistant: where does the battery level come from?
Development • 6 Jan 2024, 19:27 • pikim 6 Jan 2024, 19:27

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Raspberry pi gateway problem after change of Pi
General Discussion • 1 Jan 2024, 11:04 • Vasilis Vlachoudis 6 Jan 2024, 14:39

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After re-installing the previous 32bit raspbian version, the gateway seems to work ok. It seems to me there is a problem with the 64bit version.
Auxiliary Loads and Mains Charger Controller for my Smart Mobile Home
My Project • 6 Jan 2024, 13:32 • fsgraz 6 Jan 2024, 13:32

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Sensebender Gateway (SAMD21)
Development • 25 Dec 2021, 23:02 • pikim 3 Jan 2024, 12:12

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Just for completeness: the right way to do this is to add the json under ~/.platformio/boards and the other files as described in https://community.platformio.org/t/how-use-a-same-chip-but-with-different-environment/18082/4
Can not compile on Arduino Nano ESP 32
Troubleshooting • 25 Nov 2023, 13:11 • ctodor 13 Dec 2023, 14:50

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@ctodor You are very welcome
Gateway stops communicating (again)
Troubleshooting • 5 Dec 2023, 16:10 • OldSurferDude 6 Dec 2023, 12:45

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Hm, maybe the problem is that your rPI has a short interruption in the WIFI connection, the MQTT TCP connection is interrupted and does not autostart again. Maybe there is something in the logs. Maybe you can find something about reconnects in one of these: journalctl --unit=systemd-networkd journalctl --unit=wpa_supplicant You could try to run wpa_cli in daemon mode to react to disconnects and connects. Create a script like this: #!/bin/bash case "$2" in CONNECTED) <your command to start the gateway>; ;; DISCONNECTED) <your command to stop the gateway>; ;; esac then, start wpa_cli in deamon mode: wpa_cli -a /path/to/your/script #use sudo if your gateway commands need sudo If that helps, you could create a service from this command. Regards, Edi
FOTA using OptiBoot copy_flash_pages
Development • 11 Oct 2023, 19:42 • eiten 6 Dec 2023, 10:58

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IT WORKS I got a first working version, using an ATmega1284P running on MightyCore 2.2.2 (as soon as I began developement, they switched from Optiboot to Urboot in version 3.0.0, whicht does not include the copy_flash_pages function anymore, but I'm working on a work around there). Only thing I could not solve is to do a CRC check of the image after download... You can try it out here: https://github.com/eiten/MySensors/tree/FOTAInternalFlashTest It's not beautiful yet with much Serial.prints in it, but maybe it helps you if you find errors.
HVAC Controller
My Project • 21 Sept 2023, 15:29 • Michael Link 5 Dec 2023, 03:15

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We are of like minds, Don't like the cloud based controls (that's another discussion). In my case I have a Bryant/Connex system, heat pump, variable speed fan and 4 zones. There's a lot going on: the 4 zones creates 16 profiles. The fan speed for a profile will depend on the indoor and outdoor temperature. The thermal fluid pump also has to be controlled. A profile will have an optimal air pressure, so there's a sensor there. The controller works just fine not being connected to the cloud. But I want to set the parameters remotely, Bryant/Connex can do this. I also wnat the status of the various actuators and sensors to show up in Home Assistant. The signals sent over the RS422 are proprietary. My plan was to reverse-engineer the signals. After doing this I'll have to experiment to get the right mix of air pressue, fan speed and thermal fluid flow for each profile. I'd like to do the same for my AO Smith heat pump water heater. I'd like to follow your progress. OSD
Arduino Nano Every problem
Hardware • 1 Feb 2020, 09:18 • hakha4 5 Dec 2023, 02:21

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I bought the Every because it implied it was backward compatible with the nano. No, it's not, as we found out. Be that as it may, any word on a getting the Every working with mySensors?
Radio RFM95 does not send ATmega1284p
Troubleshooting • 29 Nov 2023, 09:57 • eiten 4 Dec 2023, 09:56

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Don't ask me why, but now it works. I changed nothing! Went to my girl over the weekend, coming back, the node was registred. Maybe a jammer went away?
OH3 - MySensors Binding
OpenHAB • 17 Dec 2020, 16:35 • Peter Loeffler 3 Dec 2023, 09:37

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Hi @CyborgAndy many thanks for providing the binding update for MySensors 4.0.4! I upgrade my OpenHAB 3.4.4 a few minutes ago to 4.0.4 successfully with your binding update. I use a USB connected serial-gateway. The OpenHAB manual installation upgrade works perfect. I need to do afterwards the following steps in the Karaf console, to get the gateway online again, after the update: feature:install openhab-transport-serial feature:install openhab-core-io-transport-mqtt feature:install openhab-core-io-transport-serial-javacomm Many thanks again! kerberos
can't make getStream() work
Troubleshooting • 30 Aug 2023, 17:25 • Mizar03 28 Nov 2023, 12:17

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@Mizar03 sorry for the late response. getStream() only works for firmware transfers. I'd suggest getString(), this should also work for all types of payloads, as they are normaly ASCII and not binary data.
Best VOC sensor for detecting a wide range of VOC's?
Hardware • 26 Oct 2023, 23:59 • NeverDie 18 Nov 2023, 01:41

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@eiten I haven't yet made any progress on finding a good VOC sensor, but along the way I did find out something interesting regarding CO2: namely, if you sleep with your bedroom door closed at night, then the odds are good that the CO2 levels rise to surprisingly high and unhealthy levels. The better CO2 sensors are factory calibrated and never again need recalibration for the life of the sensor (usually around 10 years or so), because they are used in HVAC systems to control fresh air intake to guarantee indoor air quality. As a for instance, here is one such CO2 sensor: https://www.digikey.com/en/products/detail/senseair/006-0-0008/15790694 At around $50 for just the sensor element itself, it's not exactly cheap, but then again, I'd say it's worth it, because who wants to be burdened by remembering to calibrate their CO2 sensors? Ideally, I'd like to find a sensitive VOC sensor that also will never require calibration. Nearly all, and maybe all, of the off-the-shelf IAQ montoring stuff that you might buy for, say, $300 or less seems to require periodic calibration. For that reason, this might be one of those occasions where build is rather than buy.
MYSBootloader 1.3 pre-release & MYSController 1.0.0beta
Development • ota myscontroller mysbootloader • 20 Mar 2016, 15:43 • tekka 16 Nov 2023, 21:05

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@tekka Is there any changelog to it also or it was just made officially available again? although last online status was 22 AUG 2020, so anyone else can confirm anything about it? I'd just be cautious without confirmation.
High power consumption NRF52832 & SI7021
Troubleshooting • 30 Nov 2020, 17:46 • ncollins 13 Nov 2023, 02:03

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I don't know if any of you guys are still around and using this stuff - I moved and am reviving a few of these 51/52 boards that I had built. Prior to moving I had decent luck with all these fixes though I don't quite remember where I was with any of this stuff seeing as it was 3 years ago. I had a few motion sensors and some temp/humd based on these fixes and they were working great, no dips. Not sure any of you will ever see this but hey it all worked.
How control W5500/W5100 (with STM32) by mysensors library
Development • 30 Oct 2023, 23:00 • Marcin 6 Nov 2023, 23:45

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I found procedure gatewayTransportInit(), it works great. However, I cannot find a procedure that will enable detection of a network connection at level mysensors. I noticed that disconnecting the network plug or resetting the W5500 (37 pin to ground) changes the device's IP address to 0.0.0.0 - then I call gatewayTransportInit() - but mysensor's library must have such procedures - please tell me how to diagnose ethernet connection.
problem with Dallas temperature
Development • 28 Oct 2023, 11:40 • mickaelr30 30 Oct 2023, 22:02

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hello, I just deleted the eeprom but I still have the problem.
Halloween Lights
My Project • led strip light ws2812b • 30 Oct 2023, 02:47 • KevinT 30 Oct 2023, 02:47

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Node broadcast loop
Troubleshooting • 13 Oct 2023, 23:59 • Oumuamua 28 Oct 2023, 17:26

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Solved. Issue with power supply. Added a capacidade to power source.
ESP32, MySensors and function
Development • 10 Oct 2023, 17:42 • Vidou 20 Oct 2023, 17:18

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You should only include the relevant header file in the file Gestion_Porte.hpp, not Mysensors.h For example #include <core/MyTransport.h>
💬 Battery Powered Sensors
Announcements • battery • 11 Sept 2016, 21:13 • hek 15 Oct 2023, 12:55

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@nekitoss I used 3.3V pro mini with regulator removed and powered by Vin pin. Also removed leds from the pro mini. I used minicore bootloader. I used the small pir sensors and again removed the regulator to power directly from the pro mini outputs. After that sleep the node and trigger on interrupt. Send battery level once a day. Use inbuilt battery level monitor and not external components that constantly drain power to get battery level. 1.8V is 0% on the graph (not visible yet!) but I have had nodes working below 1.7V It's a matter of luck with that it seems. Hope this helps you on the right track. I'll try and help if you want. This is the latest image and still going strong after 18 months. Voltage is at 2.903V Here is photo of the test example - I need to make a case and produce more of them over winter..... Here is the same build/code of a window sensor. Similar time frame but hardly triggered.....
Sudden battery drain - Pro-mini + RFM69
Troubleshooting • rfm69 battery pro mini si7021 • 6 Apr 2023, 10:58 • Oumuamua 13 Oct 2023, 23:49

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Hi all, Should anyone face the same problem, I found the root cause: brownout threshold. I burned a new bootloader (Optiboot 8.0) without such trigger and the node has been working with used batteries (~2.7V) since May. Hope this helps.
MYSBootloader + STM32 with Ethernet module
Development • 7 Oct 2023, 14:39 • Marcin 8 Oct 2023, 07:10

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I'm afraid, the MYSbootloader is only available for the AVRs.
Sensebender Micro
Announcements • 3 May 2015, 13:04 • hek 7 Oct 2023, 14:52

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I deployed 5 sensebender nodes just after release in 2015, all with 2 AA batteries from ikea.1 died within a couple of years, because it was placed outdoors. But the rest kept going, and all have been going until this year. So 8 years of battery time on one set of batteries.. I think that is excellent battery life..
Remotes will not connect after latest compile
Troubleshooting • 6 Oct 2023, 05:08 • Gibber 6 Oct 2023, 17:26

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Thanks for the quick response. Yep! When I updated the IDE I forgot to modify the settings (915 MHz) in the new myconfig.h file. Doh! All good now.
CNC PCB milling
General Discussion • 9 Dec 2017, 17:32 • sundberg84 1 Oct 2023, 16:12

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Of possible interest: Here's a guy who is building an inexpensive open source ethernet controller for stepper motors: What happend to Ethersweep? Project Update! – 12:36— Neumi If you listen to the end, it's revealed that there is now generous funding available which allows people to do this kind of open-source development as a full time job, which is what he is now doing. For that reason, I think there's a good chance he will complete his project within the allowed 6 months., and so by the deadline it will likely be nicely polished.
Awesome tip: run LinuxFX instead of Windows!
General Discussion • 30 Jul 2020, 00:37 • NeverDie 25 Sept 2023, 22:39

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@skywatch said in Awesome tip: run LinuxFX instead of Windows!: @NeverDie Thanks - Interestingly they show a free version on their site still. Did they revert due to bad publicity? https://www.linuxfx.org/ I stopped following it, but I seem to recollect that the free version was noticeably missing things--otherwise, who'd buy the paid-for version? Anyway, its standing on Distro-watch has fallen considerably. It may seem unfair to niche distros, but I think it's generally better to stick with the more popular distros, unless you have good reason to choose otherwise.
NewbiePCB sensors dying of old age
General Discussion • 20 Aug 2023, 08:52 • Matt 25 Sept 2023, 22:22

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Some humidity sensors are known to lose accuracy with age. For instance, the Si7021 is known to have this problem. If that matters to you, then the best choice is to pick sensors that have datasheets and which have specs as to their expected longevity or accuracy over time. Then buy from mouser/digikey to be certain you're getting the real thing rather than factory rejects or counterfeits. For extra insurance, I avoid electrolytic capacitors entirely whenever possible. I buy only 7XR rated ceramic capacitors that are overspec'd. The difference in price is small compared to a failure down the road.
Send 2x relay states to Home Assistant to make them visible?
Troubleshooting • 19 Sept 2023, 08:56 • Matt 20 Sept 2023, 09:07

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@Matt Yes, the landscape there is incredible. Unfortunately, I mostly have to work when I'm there Where are you from?
Using chatgpt to write code for the nrf52840....
General Discussion • 14 Sept 2023, 01:59 • NeverDie 14 Sept 2023, 01:59

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MYSBootloader
Development • 7 Sept 2023, 01:44 • omoX5 7 Sept 2023, 09:03

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7 Sept 2023, 09:03

No. For RFM69 you need Sensbender bootloader and external flash. Then it works.
Pulse Water Meter, cant see anything
Troubleshooting • 2 Sept 2023, 22:22 • Thib. 3 Sept 2023, 21:11

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Its seems to be working with this last sketch https://github.com/paolo-rendano/MySensors/blob/c01e14d0942de68126d67325a0687b1a6ce4fa16/examples/WaterMeterPulseSensor/WaterMeterPulseSensor.ino need some time to test it thanks
Compile on arm64 Raspi 3
Troubleshooting • 26 Aug 2023, 11:27 • moses 3 Sept 2023, 20:28

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@monte thanks, did it!
NRF24L01+PA+LNA power down question
Development • 13 Jul 2019, 04:42 • Dan Mincu 2 Sept 2023, 11:52

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@Dan-Mincu Hello I am looking for help because I have the same problem. Can you show me the code you use to set power down radio?
mysensors regularly disconnect from HA
Home Assistant • 1 Oct 2021, 20:25 • keithellis 29 Aug 2023, 18:09

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Same issue here. HA receives data from Ethernet Gateway for only a few minutes and then: DEBUG (MainThread) [mysensors.gateway_tcp] Connection lost with <_SelectorSocketTransport closing fd=42 read=idle write=<idle, bufsize=0>> I also have MYSController connected to the GW and it remains connected. There is an open issue as others are also having the same problem. Am wondering if anyone here is having success with Ethernet Gateway connected to HA.
💬 Syma S107 Bluetooth mod (connect any toy with your phone!)
OpenHardware.io • nrf52832 nrf52 remote control hack bluetooth low energy toys • 29 Aug 2023, 11:13 • openhardware.io 29 Aug 2023, 11:13

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nRF24Doctor
My Project • power consumption diagnose transmission delays compare modules radio quality doctor range gateway location nrf24 radio • 27 Mar 2018, 18:46 • Technovation 25 Aug 2023, 10:53

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The output of the display could also be sent over serial, but the whole idea is you can walk around with the doctor and improve your results as you go.
Termite terminal for RS485
Troubleshooting • 24 Aug 2023, 00:51 • AGUSTIN 24 Aug 2023, 00:51

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Water level sensor (inches) to integrate into hardware
General Discussion • 19 Aug 2023, 16:37 • Ream Tim 22 Aug 2023, 04:28

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@Matt Yes, I was going to suggest this
Send timer program to pool filter controller
General Discussion • 15 Aug 2023, 13:00 • Vasilis Vlachoudis 20 Aug 2023, 09:20

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Thank you @eiten for you suggestion. I will try it. I wanted to be independent from HA, just as a fail safe in case of problems. I am not relying on the time keeping of the arduino, but on a real time clock module.
433MHz amplified (>5V)
Troubleshooting • 21 May 2015, 21:05 • andriej 18 Aug 2023, 09:35

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Hi, I create a rflink pcb with this schema . I have an emission issue, the module RF 433Mhz Out not have 12v in VOUT+. What could I need to do. This is the pcb design, maybe it needs some improvement. Thanks
Controlling Blinds.com RF Dooya Motors with Arduino and Vera
My Project • 24 Mar 2014, 13:27 • petewill 12 Aug 2023, 16:39

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Hello everyone, Firstly, I apologize for reviving such an old thread, but I find myself in a unique situation and was hoping some of you might be able to help. I hope everyone's doing well. I have a specific inquiry that I couldn't find a recent solution for. Does anyone here know of a tool to generate "fake" Dooya remote (DC90) RF codes for curtains? I've acquired a few motors without controllers and am trying to integrate them with Home Assistant and Bradlink RF remote. Specifically, I'm searching for a way to generate codes for the Up, Down, Stop, and the "Set" button functions to configure curtain limits. Any insights or guidance would be immensely appreciated. Thank you so much in advance!
hlk-pm01 are to noisy for rfm69?
Hardware • 5 Aug 2023, 21:16 • Tmaster 9 Aug 2023, 16:28

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@Tmaster Never assume the original PCB was just a circuit of components, the PCB can incorporate RF shields and antenna radio ground planes...
Node update on value from Domoticz
Domoticz • 30 Jul 2023, 19:19 • zboblamont 7 Aug 2023, 14:33

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@zboblamont OK, so experiments concluded that the return data from the latest version of Domoticz is a String whether it be V_VARx or V_TEXT. I tried the dual declaration using the same CHILD_ID as intended and as VAR_X (using an RF24 - not sure of the relevance) and the actual value sent but failed to make any sense of abstracting the Ulong conversion or the string. Only by presenting a fresh CHILD_ID and duplicating the send of data (water meter) as a V_VAR1 could I recover the last sent reading as a V_VAR1 from that fresh CHILD_ID, thence eventually arriving at 'strtoul' as a solution to restoring the last known value. For clarity my Gateway and Controller run on a UPS, and I hope shortly to add the spare router to that UPS so I'm not left in the dark on what is happening in the dark on a battery powered laptop... Hope this helps others trying to keep track of meters between relentless power cuts and reboots...
#define DEFAULT_RFM69_IRQ_PIN
General Discussion • mysensors • 26 Jul 2023, 09:38 • Tmaster 1 Aug 2023, 21:34

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@Tmaster What I meant by my previous comment was to tap on the Node name to see what sensors were connected - Had you clicked on TANQUE you would have seen a box pop up below giving you all the children to that particular Node with what value was last updated and when, so you could easily have found out all about your mysterious 13 children. At least you have it sorted now, but it pays to do a bit of housekeeping in the sketch setup and Domoticz - eg which of the 6 "Unknown" Nodes is the one you want to next have a look at ? All my Node IDs are set at the Node, and the sketch name labels the Node ID also, the Nodes are named in Domoticz for easy identification. In the sketch my sensors are numbered sequentially and commented on what they are, so naming them in Domoticz becomes very much easier.
Help me build a 6-light-sensor & 2 ch relay node.
Troubleshooting • 29 Jul 2023, 10:33 • airmedic79 30 Jul 2023, 09:21

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Only if you send a correct message from the controller to the node the receive function is called. I don't see a receive in your log. I think in your case the receive-function is not called (or called with a wrong message type or node id). Put a serial.print("receive() is called with type "); serial.println(message.getType()); on top of the receive function to see if the receive function is called and which type is handed over..
Requesting for help building traffic light led module node
Troubleshooting • 20 Jul 2023, 21:34 • airmedic79 29 Jul 2023, 10:20

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I am sharing my sketch. Based on the sketch below, I am using this led light to show air quality status (good for green, normal for yellow and bad for red). This sketch is just a switch so you should make some automation in HA. https://www.amazon.com/Traffic-Display-Module-Arduino-Mini-Traffic/dp/B07SZMRSDN #define MY_DEBUG #define MY_RADIO_RF24 #define MY_NODE_ID 16 #define MY_RF24_PA_LEVEL RF24_PA_LOW #include <MySensors.h> #define CHILD_ID_GREEN 1 #define CHILD_ID_YELLOW 2 #define CHILD_ID_RED 3 #define GREEN_PIN 3 #define YELLOW_PIN 4 #define RED_PIN 5 bool greenState = false; bool yellowState = false; bool redState = false; MyMessage msgGreen(CHILD_ID_GREEN, V_LIGHT); MyMessage msgYellow(CHILD_ID_YELLOW, V_LIGHT); MyMessage msgRed(CHILD_ID_RED, V_LIGHT); void setup() { Serial.begin(115200); pinMode(GREEN_PIN, OUTPUT); pinMode(YELLOW_PIN, OUTPUT); pinMode(RED_PIN, OUTPUT); wait(200); } void presentation() { // Initialize the MySensors communication sendSketchInfo("Traffic Light Node", "1.0"); present(CHILD_ID_GREEN, S_LIGHT); present(CHILD_ID_YELLOW, S_LIGHT); present(CHILD_ID_RED, S_LIGHT); } void loop() { // Send initial values of the LEDs to the controller send(msgGreen.set(greenState ? 1 : 0)); send(msgYellow.set(yellowState ? 1 : 0)); send(msgRed.set(redState ? 1 : 0)); // Other tasks in the loop if needed // ... // Add a delay to control how often the initial values are sent delay(5000); // Send initial values every 5 seconds (adjust as needed) } void receive(const MyMessage &message) { // Check which LED to control based on the message received if (message.sensor == CHILD_ID_GREEN && message.type == V_LIGHT) { greenState = !greenState; // Toggle the state digitalWrite(GREEN_PIN, greenState ? HIGH : LOW); // Set the pin accordingly send(msgGreen.set(greenState ? 1 : 0)); // Report back the new state } else if (message.sensor == CHILD_ID_YELLOW && message.type == V_LIGHT) { yellowState = !yellowState; digitalWrite(YELLOW_PIN, yellowState ? HIGH : LOW); send(msgYellow.set(yellowState ? 1 : 0)); } else if (message.sensor == CHILD_ID_RED && message.type == V_LIGHT) { redState = !redState; digitalWrite(RED_PIN, redState ? HIGH : LOW); send(msgRed.set(redState ? 1 : 0)); } }
Moisture penetrates my outdoor enclosures...
General Discussion • enclosure • 10 Jul 2023, 09:54 • รอเรือ 26 Jul 2023, 09:50

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i use the simplest boxes that you find,that suface mount with 4 screws and ruber on door. But be carefull with wall mount screws. if you drill the back of the box ,water come in beind this box. so this ones,the scrfew holes are outside the encosure an box is sealed... another tip is drill on bottom for pass cables but put some neutral silicone. hot glue let water come in with time because expansion coeficient is diferent that the plastic box and open gaps
MySensors Gateway on OrangePi 5
Development • 21 Jul 2023, 20:13 • mauri 24 Jul 2023, 06:50

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Thx for the hint. Unfortunately this didn't help me to find a solution for the compilation error. I simply don't understand the lines 105 and 106 in (MyHwLinuxGeneric.h). Can anyone explain me the C magic going on there? #define ATOMIC_BLOCK for ( ATOMIC_BLOCK_CLEANUP, __hwLock(); \ __atomic_loop ; __atomic_loop = 0 ) I think the problem is the "new"/different compiler version being used on the OrangePi 5. On my Raspberry Pi the code compiled without any problem.
💬 SimSpirit Motion Simulator Support 360° Yaw, Pitch and Roll
OpenHardware.io • motion-simulator head-tracking • 10 Jul 2023, 16:54 • openhardware.io 10 Jul 2023, 16:54

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Is the search bar broken?
General Discussion • 3 Jul 2023, 06:58 • Ram000 4 Jul 2023, 06:18

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@mfalkvidd Thanks for the reply.
Smart Water Level Detector
General Discussion • 2 Apr 2017, 08:00 • jemish 3 Jul 2023, 05:42

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Hello@jemish Yes, it is possible to create a smart water level detector for your home water tank using an ultrasonic sensor or a float switch connected to a microcontroller with wireless connectivity.
Consistent NACK + RPI Gateway
Troubleshooting • 15 Jun 2023, 21:13 • Oumuamua 24 Jun 2023, 00:54

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Hi all, Should any one need, the fix mentioned in this page actually works. Thanks,
Website forum search feature [is broken]
General Discussion • 18 Jun 2023, 01:04 • dbemowsk 19 Jun 2023, 09:21

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@dbemowsk You can also use google and add mysensors before the search phrase
Sensors and more
Hardware • 19 Jun 2023, 00:41 • Robert Leverett 19 Jun 2023, 00:41

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💬 Wireless Module for Capacitive Soil Moisture Sensor v2.0
OpenHardware.io • 12 Mar 2020, 15:24 • openhardware.io 14 Jun 2023, 01:42

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Could you share the capacitor values?
Error when restarting Homeassistant (mysensors-error)
Troubleshooting • 11 Jun 2023, 10:24 • Branther 13 Jun 2023, 13:10

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thanks again Edi. I will first make a full backup and put it on a new ssd. after that i will test your solutions as far as i can. sorry, i must have overlooked the code snippets function. best regards
Connecting NodeMCU 1.0 Gateway to WiFi
MyController.org • 12 Jun 2023, 19:06 • wint0178 12 Jun 2023, 19:06

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wireless gateway
Feature Requests • 8 Jun 2023, 14:05 • Thomaswortman 8 Jun 2023, 14:05

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debug serial gateway (homeassistant raspberry py 4)
Feature Requests • 2 May 2023, 09:01 • Branther 8 Jun 2023, 12:38

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Just for reference, as this solution was no yet mentioned: You could also use a second UART on your controller or a software serial for debuging with the following defines: #define MY_SERIALDEVICE Serial // Interface for controller connection #define MY_DEBUGDEVICE Serial1 // Interface for debug output Regards, Edi
Use the tables in Pbix file into Alteryx
General Discussion • 6 Jun 2023, 05:14 • Alokthomas 6 Jun 2023, 05:14

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Jenkin erros I do not understand
Development • 5 Jun 2023, 10:19 • eiten 5 Jun 2023, 10:19

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ATMEGA 328 Timer/Counter2 frequency problem
Troubleshooting • 31 May 2023, 16:44 • monte 2 Jun 2023, 12:14

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Hi Monte! May you please post your sketch? Thank you very much, edi
Lights on after gateway reboot
Troubleshooting • 31 May 2023, 13:01 • monte 1 Jun 2023, 17:40

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If the message is retained, it will show up already when you connect MQTT explorer to the broker, without HA sending a message yet
MQTT gateway help!
Home Assistant • 1 Jun 2023, 10:59 • Multimax 1 Jun 2023, 14:20

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@Multimax do you send initial states for all children for this multi relay node? HA won't show anything that hasn't sent initial data to show. https://www.home-assistant.io/integrations/mysensors/#presentation
Relay Node with Fallback feature, if network is lost or controller is failing...
Development • 24 May 2023, 09:23 • monics 26 May 2023, 09:43

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Depending what's connected to a relay, I wouldn't make it go on or off depending on the controller state. It can lead to dangerous behaviour and it's prohibited by law in my country. In all honesty I have my Sensors running for a long long time. It's stable and more reliable than anything else I have running in my home. But like @eiten says yo could write a sketch that queries for a variable. But I think I'd go for a controller side solution. That would "ping" my node and send a nottfication to my phone whenever the node can't be reached.
What did you build today (Pictures) ?
General Discussion • 19 Oct 2017, 18:40 • sundberg84 25 May 2023, 08:34

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@TheoL that's not the dimmer's fault a far as I am concerned. It behaves the same way at full brightness. It's just a cheap chinese driver in it.
💬 Ago Control
Announcements • 11 Sept 2016, 21:06 • hek 24 May 2023, 19:27

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Error establishing a database connection
Serial terminal
Controllers • serialgateway serial protocol • 27 Nov 2014, 15:55 • dzairo 22 May 2023, 20:19

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Hi dzairo, Just wondering if you still monitor this thread. If so would love to know how to install the ComPort component so I can modify and use your terminal code. For some reason I don't have any luck with adding it to the IDE. thanks, Andy.
Powering ESP8266 / NRF24L01 repeater through USB (improvement)
My Project • 12 Oct 2022, 21:21 • Kokosnoot 21 May 2023, 20:32

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21 May 2023, 20:32

@Kokosnoot good solution. I remember the discussion in the early days of MySensors. I've powered the radio's for most of my sensors from the 3.3v regulator on the arduino board and for me that works perfect. But for my latest designs I decided to add a separate ams regulator for my radio's like the guys suggested in the beginning. Because you basically want the on board regulator to power the mcu only.
Wall mounted 'mood light' v2
My Project • 23 Sept 2016, 07:36 • AWI 21 May 2023, 20:27

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@adds666 I'm not sure but I believe Domoticz prresents it's dimmer values in steps from 5 to 100 I believe. It'd about 10 steps. That's why I'm not sure if you can add more patterns. Unless you indeed change it to a percentage. Hope it helps
Balcony flower box irrigation
My Project • 6 Mar 2023, 11:54 • pbw 21 May 2023, 20:22

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@pbw a gateway's function is to act as a gateway between the nodes and a controller. I don't think you will have all of the needed memory available to add logic to the gateway and you will make your solution very static. You can implemented your own lightway controller, just have a look at the Serial API. But controllers like Domoticz are lightweight and the already over a browser based interface. And most of them are easy to setup creating a much more versatile and dynamic solution.
MySensors Serial Gateway with USB 2.0
My Project • 21 Mar 2023, 13:38 • DeepCore 21 May 2023, 20:19

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@DeepCore That is a need looking design. Did you consider using an alternative power supply other than usb? My Pi can't handle a lot of usb devices power wise, so I'm using a powered usb hub. But the wife doesn't like it, it's messy xd
nano & E01-ML01SP4 gateway
My Project • 5 Feb 2023, 18:04 • bach 21 May 2023, 20:16

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@bach It does look really great! As far of resistor divers I'm not much fan of that. There are several other options, like a logic level converter circuit with FETs. If I have all 3.3V devices connected to an mcu I prefer to use a 3.3v mcu. Like an esp2866, but I'm still waiting until the irq support on the esp2866 gets available. For me the nrf24's are still working great and I have a stacked up a lot lol. I'm however experimenting with the rfm's. As I need a bit more range to reach the end of my backyard.
Request the status of a Home Assistant entity that is not defined in the MySensors integration?
Home Assistant • 11 May 2023, 20:19 • Gibber 21 May 2023, 04:04

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Thanks for the response. Can you be more specific about how to request the status from the node? My understanding is the request format is: request (Child_ID, VariableType); But if the Home Assistant entity that I want to request the status of is not a MySensors entity it will not have a Child_ID. So how do I format the request statement?
What could be the possible reasons for MySensors sensors not working with MyController on Raspberry Pi, and how can one troubleshoot and resolve the issue?
NodeManager • 7 May 2023, 06:17 • Greg Bowers 18 May 2023, 14:44

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So @Greg-Bowers .... you found the flaw? hello @jkandasa ..... a little parenthesis! ( what's new in MyC ) https://github.com/mycontroller-org/server/releases/tag/development
Send message to all nodes
Development • 12 May 2023, 06:24 • awarman 17 May 2023, 12:44

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I searched on the forum how to use ID255 but found nothing practical https://forum.mysensors.org/topic/8941/mysensors-get-temperature-value-from-another-node-through-the-gateway?_=1684325843882&lang=fr https://github.com/mysensors/MySensors/blob/development/examples/PingPongSensor/PingPongSensor.ino
MySensor Network on RS485 - only single node visible
Troubleshooting • mysensors • 26 Apr 2020, 17:21 • Rysiek 11 May 2023, 12:00

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Very useful topic for me, thanks. Even though it's been a long time, the information was useful to me. And especially the information on the link you sent.
Which one should i choose? PIR or microwave sensor
Hardware • 2 May 2023, 10:58 • h01 11 May 2023, 13:56

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Supposedly PIR doesn't work through glass (e.g. if looking for motion through a window), whereas I presume a microwave sensor might still work.
Anyone using/tried the E28-2G4M27S 2.4Ghz LoRa SX1280 27dB module?
General Discussion • 7 Mar 2022, 23:25 • NeverDie 10 May 2023, 21:08

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^^^This. Good point. Maybe do some testing with RadioLib to see whether or not you experience the same problem.
Looks as though the raspberry pi pico will provide 16-bit PWM duty-cycle resolution
General Discussion • 10 May 2023, 19:05 • NeverDie 10 May 2023, 19:05

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💬 VR-Shield
OpenHardware.io • bluetooth shield sensors virtual reality imus • 10 May 2023, 10:20 • openhardware.io 10 May 2023, 10:20

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Unsolved problem with RFM95
Troubleshooting • 8 May 2023, 03:24 • Diego Andrade 0 8 May 2023, 03:24

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3d printing for accessories designer
Enclosures / 3D Printing • 8 Jan 2021, 11:01 • laurabarreda 25 Apr 2023, 03:37

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Thanks for sharing!
New user has questions
Hardware • 21 Mar 2023, 19:15 • Doggie 24 Apr 2023, 06:56

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I am new in this forum and I have a question regarding mysensors and iobroker. I did not work with mysensors up to now. Since some weeks I use iobroker installed on a raspberrypi. Now I want to integrate my 433 Mhz doorbell in iobroker. I know, that there is an adapter for mysensors in iobroker. My question is: Is it possible to get a notification in iobroker if someone is pressing the button on my doorbell? As I understood, I have to connect the receiver to an arduino nano and connect the arduino to my rasberrypi on which iobroker is running.
Use of BH1750 light sensor in low power node
Development • 22 Sept 2016, 16:07 • Nca78 23 Apr 2023, 16:42

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@gerritv Thank you for pointing the problem. I was updating my code, while library was updated and found that i had funtion, that does not exists in library - i've added it in local copy in library, then it updated and my local patch was gone. I've investigated previosly mentioned PR - and must admit that later they removed that re-initialisation when reading. I will try a PR to slightly improve that behaviour, but looks like library is becoming abandoned. Now look it should work next way: after previous measurement done you must run lightSensor.configure(ONE_TIME_) so it starts measuring - this is shown in their example BH1750onetime.ino. Then we have to wait, but measurementReady() relies on _delay_ms, which (as i remember) won't tick during sleep so you can't sleep. We can sleep but we can't get exact measurement time for current settings. Soto save battery we sleep max time - which, according to library is 180ms. Then we get reading. On next cycle - repeat. As i understand maximum battery saving code will look like: void setup() { Wire.begin(); // Initialize the I2C bus (BH1750 library doesn't do this automatically) lux_init_status = lightMeter.begin(BH1750::ONE_TIME_LOW_RES_MODE); //init ONE_TIME - at same time it will start measuring, but we will ignore this and double-call start measuring if (lux_init_status == false) { send(deb_msg.set("ErrorInitLux")); //notify us about failure } } void loop() { if (lux_init_status) { //making it fail-safe - if BH1750 brokes then other sensors will still work lightMeter.configure(BH1750::ONE_TIME_LOW_RES_MODE); //this will start measuring, after it sensor will go into power-down mode //note, that configure has 10ms sleep built-in sleep(180); //this is guarantee time in this library with any config. We can't get that externally as for v1.3.0 long lux = lightMeter.readLightLevel(); //actually get results } sleep(SLEEP_TIME);//sleep between measurements } note that .configure() that is also called by .begin has built-in 10ms delay
HowTo MY_CORE_ONLY
Development • 21 Apr 2023, 14:37 • Frog 21 Apr 2023, 18:55

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That's the point, i don't see important part which change with or without my_core_only. I think i miss something
ACK -aka ECHO beeing missed by Serial Gateway with RF24 radios. V2.3.2
Bug Reports • 15 Apr 2023, 06:27 • GaryStofer 21 Apr 2023, 17:34

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First let me say that the test "network" consists of a single node and a Serial GW with a Domoticz controller only. No repeater nodes are present and it operates at 250Kbd on a frequency outside of the WiFi spectrum verified to have no traffic. The test subjects are within 10 feet of each other and the protocol sniffer receiver is placed roughly midway between the two communicating nodes. The test node has a plugable connector for the RF modules so that I can switch them out separately. The GW has the LNA/PA module and the node is using the standard mudules. Both GW and node are set to "High" power. Looking at the problem with the promiscuous protocol sniffer and wireshark I can clearly see that packets collide mid air when both the node and the GW transmitting at the same time. This happens when the controller/GW talks to the node while having the protocol ACK request enabled and the node does not have the extra wait/delay programmed. Going through 12 RF modules node side, I can see that about 1/3 shows the problem consistently to the extent that all 16 retransmissions are used up , 1/3 to various degrees and the rest shows no problems at all. Before you say "ohh fake chips etc." these modules all came from the same batch, so more than likely not fake and non fake, but rather some parameter that the lib assumes to tight of a margin for. When turning off the protocol level ACK via the controller/GW, the package goes out without an request for the node to send back the package, only the HW ack remains in the picture. Setup like this I can see that the third of the modules that cause the persistent collisions evoke a re-send of the package by the GW after ~2 to 2.5ms , while the group that shows no problem shows one single transmission from the GW only. Since the sniffer is not fast enough to capture the quick turn around ( spec says 130us) for the short HW ack to go out I can not get say whether the node is simply not sending it or just not sending it in quick enough. All I can say is that the GW code did not see a HW ack and therefore sends out the package a second time. Meanwhile on the node side all is well, it just might get the same package twice and since no status changed there is no harm done. However when you now turn on the protocol level ACK request in the controller ( as you should) the node has to turn around and send out the echo package which then collides with the resend of the original package from the GW. The node also doesn't get an HW-ACK becasue of this and tries to resend the echo package over again until it runs out of tries. When I then introduce the wait/delay in the code above to wait out the 2.5Ms for the GW to resend the initial package this ACK/resend storm goes away because the air is clear when the node sends it's echo package. If I wait/delay for 2 ms the problem is greatly reduced and if I wait 3 ms I see no more evidence of collisions. Either wait or delay works however, I choose delay() to be positively sure that no other communication is started during that time by the node. I conclude that as a work around this solves the issue we are having with the RF24 transport, but without further investing into faster RF sniffing equipment I can't say for sure if this could be solved better on the TX side by waiting longer for the HW ack to arrive from the receiving node, however I think there would be a good chance for that. There is also a chance that the PA/LNA module used on the GW could be part of the problem by not being able to switch quickly enough back to RX mode and therefore loose the HW-ACK for nodes that respond quicker than others. Edited: Checked with a non PA/LNA module on the GW and no change could be observed, so this theory can be discounted. BTW: All of this is very reminiscent of an email communication in 2015 I had with Ekblad !! GS
RSSI affects Sleep Timer??
Troubleshooting • 7 Apr 2023, 22:55 • Gibber 19 Apr 2023, 10:01

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thanks for the feedback
sleep(0) in V2.1 doesn't sleep indefinitely anymore. Used to powerdown and sleep in V1.5
Bug Reports • 22 Nov 2019, 00:35 • GaryStofer 15 Apr 2023, 05:50

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@mfalkvidd No, the issue with sleep(0) still exists in V2.3.2. That is the version that the ArDuino Library installer installs currently . -- Work around is to call hwPowerDown(WDTO_SLEEP_FOEREVER) as in above code if you want the battery to last more than a day. GS
Error sending switch command, check device/hardware !
Troubleshooting • 10 Dec 2015, 21:54 • Elfnoir 15 Apr 2023, 05:41

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Solved by adding a short delay between the RX/TX turnaround when replying with an ACK message. In file MyTransport.cpp at line 706 in the "if (msg.getRequestEcho) block, right after the debug message "TSF:MSG:"ECHO REQ" added a 2ms delay to allow the caller to switch from TX to RX mode. GS
Node with only sendBatteryLevel into Home Assistant
Hardware • 2 Apr 2023, 10:52 • Arno 14 Apr 2023, 21:08

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Great! I'm glad it works and thank you very much for reporting back!
NRF24 nodes failing to connect on channels below ~100
Troubleshooting • 6 Apr 2023, 04:29 • GaryStofer 14 Apr 2023, 15:11

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@GaryStofer Okay, then sounds like you're doing what I would. Are you able to turn on debug and connect serial to it to troubleshoot that way? Without getting more info on it, I'm out of ideas at the moment.
Problem with LGT-RF-Nano
Hardware • 10 Apr 2022, 16:39 • Sanderunizuki 14 Apr 2023, 10:26

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I had the same problem with "Emakefun LGT-RF-Nano für Arduino Nano V 3,0 RF-NANO LGT8F328P Integrieren NRF24l01 + Micro USB Nano Bord mit Antenne Interface" Using the default Compiler the Serial Messages were not working properly. I used this https://github.com/nulllaborg/arduino_nulllab Board Package and it worked(at least the serial issue). The rest I still need to test. I hope this helps some hours of trouble.
Replace 2.4GHz remote controllers
General Discussion • 13 Apr 2023, 11:07 • Zwippet 13 Apr 2023, 19:57

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@monte said in Replace 2.4GHz remote controllers: "Mysensors fonctionne selon son propre protocole et ne prend en charge aucun produit commercial" yes the beginning of a track can be useful for you ? https://github.com/Yveaux/NRF24_Sniffer https://arduino.stackexchange.com/questions/39348/decoding-2-4g-rf-remote-controller
RFM69 bitrate settings
General Discussion • 28 Aug 2018, 07:56 • kullboys 13 Apr 2023, 17:57

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And just to add a clarification, do not modify MyConfig.h. Put the define statement into the sketch for your node (somewhere before line: #include <MySensors.h>), and don't forget to modify your gateway code as well. 0
How to change the RFM69 Modem configuration?
Troubleshooting • 13 Apr 2023, 06:02 • Gibber 13 Apr 2023, 17:54

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Working great! Thanks very much!

Status of my rv(camper) home automation system 2020-2025 My Project • about 21 hours ago • fsgraz about 21 hours ago

💬 air quality motherboard for sensor.community project OpenHardware.io • sensor.community luftdaten dust sensor • 2 days ago • openhardware.io 2 days ago

IKEA UTRUSTA remote control Controllers • 3 days ago • JanJaap Jagtenberg 3 days ago

DHT22 wrong sensor type in Home Assistant Troubleshooting • 8 days ago • Commodoreuno 3 days ago

Code Garage to the rescue. General Discussion • 11 Jan 2025, 11:25 • skywatch 8 days ago

is this project dead? General Discussion • 8 days ago • perfectom 8 days ago

Interface-board-for-remote-control My Project • 12 days ago • OldSurferDude 12 days ago

Radar motion sensor My Project • 14 days ago • suresh sharma 14 days ago

ESP32 with LoRa General Discussion • 31 Jan 2023, 11:06 • dhanushmh 16 days ago

Is it possible to extract child ID from a just sent message? General Discussion • 8 Nov 2021, 09:21 • Nigel31 19 days ago

Why is the output of ACS712 current measurement module unchanged? General Discussion • mysensors • 19 Jul 2021, 09:09 • Tessie T 20 days ago

JSN SR04T - Temperature Influencing Readings Troubleshooting • ultrasonic water level tank • 6 Sept 2019, 07:51 • Timbergetter 21 days ago

Email notifications received twice General Discussion • 6 Feb 2023, 16:15 • Jodaille 22 days ago

No merge into master in the last 5 years, should we use development? General Discussion • 23 Sept 2024, 17:48 • kiesel 24 days ago

PJON and Minicore not working Development • 28 days ago • Trand 28 days ago

JSN-SR04T-V3.0 Coax cable extended Troubleshooting • 30 days ago • bocalexandru 28 days ago

ESPnow as transport layer Feature Requests • 18 Mar 2025, 10:02 • MasMat 19 Mar 2025, 05:24

Ghost Child Troubleshooting • 15 Mar 2025, 07:44 • FcNanoLed 18 Mar 2025, 18:36

Home Assistant/MySensors quirks Development • 17 Mar 2025, 02:35 • OldSurferDude 17 Mar 2025, 02:35

Which device I have to use to connect with accelerometer before connecting to my pc? General Discussion • 24 Jan 2023, 17:16 • Yada Kijsathan 16 Mar 2025, 20:17

Door chime My Project • 9 Mar 2025, 10:06 • Paul Scarbro 13 Mar 2025, 00:15

MQTT-Help me understand about the MQTT Gateway. Development • 2 Mar 2025, 01:44 • dpcons 12 Mar 2025, 23:39

PJON on RS485 Feature Requests • 11 Apr 2022, 06:58 • hypnosiss 9 Mar 2025, 07:57

ESP32 Wired (no WiFi) Feature Requests • 15 Nov 2024, 10:39 • Marcin 9 Mar 2025, 07:54

NODs stop responding, but ping works. Troubleshooting • 8 Mar 2025, 19:47 • Marcin 8 Mar 2025, 19:47

Meet in Malmö, Summer 2016? General Discussion • 1 Feb 2016, 15:34 • bjacobse 4 Mar 2025, 00:29

Getting system time from the controller Troubleshooting • 27 Feb 2025, 01:39 • dpcons 3 Mar 2025, 01:00

Adding Listen only device to my system. Development • 26 Feb 2025, 00:39 • dpcons 26 Feb 2025, 06:26

Compiling Sensor code using BME280 and ESP8266 Troubleshooting • 26 Feb 2025, 00:32 • dpcons 26 Feb 2025, 06:22

Sensor to detect marijuana vape/smoke Hardware • 21 Jan 2025, 06:36 • Hellmark 25 Feb 2025, 20:56

ESP-NOW General Discussion • 220v i recently noticed that expres between esp8266 and es[p which allows direct conection if has released esp-now • 22 Apr 2018, 05:58 • NeverDie 17 Feb 2025, 22:24

How to find the wire combinations in a nema 17 stepper motor with six wires? Enclosures / 3D Printing • 17 Feb 2025, 05:48 • jack22 17 Feb 2025, 05:48

Nb of possible nodes in a mysensors networks with domoticz My Project • 13 Jan 2025, 18:10 • GLAB 16 Feb 2025, 01:11

Newbie questions Hardware • 14 Feb 2025, 20:03 • magwas 14 Feb 2025, 20:03

Human presence sensors.... General Discussion • 31 Jan 2025, 10:54 • skywatch 9 Feb 2025, 19:36

Sending offset to node Development • 31 Jan 2025, 00:59 • bsl88k 4 Feb 2025, 12:14

Combination of networks General Discussion • 1 Feb 2025, 17:30 • Sniker 4 Feb 2025, 01:02

Wio-E5 (STM32 and SX1262) My Project • 31 Dec 2024, 17:52 • nagelc 25 Jan 2025, 20:21

Running out of nodeId's General Discussion • mysensors • 3 Sept 2024, 07:33 • NielBierman 25 Jan 2025, 17:19

BMP280 SPI Adafruit My Project • 24 Aug 2016, 01:56 • Matt 23 Jan 2025, 16:25

💬 Components Announcements • 11 Sept 2016, 21:04 • hek 23 Jan 2025, 00:08

Simulate Online-Recreating 'Flappy Bird' with Arduino Nano My Project • 15 Jan 2025, 09:13 • Skylar Jones 15 Jan 2025, 09:13

Saving last known good state, but not in EEPROM Development • 30 Jan 2024, 18:46 • OldSurferDude 15 Jan 2025, 08:51

Radio waking up for no reason. Development • 4 Jul 2020, 21:09 • Sasquatch 15 Jan 2025, 08:33

What is form factor? General Discussion • 15 Jan 2025, 07:33 • Luosi 15 Jan 2025, 07:33

Gateway without a radio Development • 12 Jan 2025, 23:19 • OldSurferDude 14 Jan 2025, 22:07

Long time test done with soil sensor! My Project • 7 Jan 2025, 09:13 • Nicklas Starkel 13 Jan 2025, 09:10

Counting Incoming and Outgoing Messages from a Gateway Development • 10 Dec 2024, 21:57 • Trand 14 Dec 2024, 20:23

S_GAS, send and request problem Domoticz • 28 Nov 2024, 05:38 • Marcin 28 Nov 2024, 05:38

LAN8720A - will mysensors work with this module Development • 13 Nov 2024, 17:06 • Marcin 15 Nov 2024, 10:59

Water Meter or "How to get Home Assistant to send saved data to an Arduino" My Project • 18 Oct 2024, 02:19 • OldSurferDude 18 Oct 2024, 02:19

How I delete a node from HA and start over. Home Assistant • 18 Oct 2024, 02:05 • OldSurferDude 18 Oct 2024, 02:05

Node 2 is unknown warning in Homeassistant. Home Assistant • 10 Mar 2019, 19:27 • badisensors 15 Oct 2024, 20:33

Anybody got one / a few spare minimalist rfm69hw shields for wemos d1 mini? General Discussion • 20 Sept 2024, 08:45 • kiesel 11 Oct 2024, 15:32

Gateway on my PI when i run HA Home Assistant • 31 Aug 2024, 21:51 • diltech 5 Oct 2024, 10:31

[mysensors] Not a valid message: invalid literal for int() with base 10: '\x00\x000' Development • 18 Sept 2024, 20:34 • kiesel 20 Sept 2024, 08:28

Echo request is not set Troubleshooting • 12 Aug 2024, 15:36 • kamilb85 3 Sept 2024, 08:58

Forum Search not working? Troubleshooting • 4 Oct 2023, 23:33 • Gibber 2 Sept 2024, 20:28

Hi, Home Assistant • 1 Sept 2024, 20:57 • diltech 1 Sept 2024, 20:57

Best time of year to buy higher quality small project solar panels? Hardware • 10 Jun 2021, 19:19 • NeverDie 30 Aug 2024, 14:01

Can not compile MySensors on esp8266 Troubleshooting • 24 Aug 2024, 15:35 • TheoL 29 Aug 2024, 20:47

Raspberry Pi 5: invalid GPIO 9 Troubleshooting • 27 Aug 2024, 13:20 • igo 27 Aug 2024, 13:20

Arduino nano and Uno in same My sensors network with NRF24L01+ Troubleshooting • 26 Jul 2024, 10:30 • DIY89 27 Aug 2024, 09:59

Need advice on solar powering with LiFePo4 battery General Discussion • 8 Jan 2021, 09:40 • willemx 25 Aug 2024, 22:19

HVAC type sensor in homeassistant Home Assistant • 17 Aug 2024, 10:50 • tbowmo 17 Aug 2024, 20:51

A low cost energy meter My Project • 25 Jan 2024, 01:03 • OldSurferDude 12 Aug 2024, 06:03

Water Filtering and Sterilization and Hot Water Recirculation My Project • 10 Aug 2024, 07:51 • fsgraz 12 Aug 2024, 05:25

MYSController with MQTT Gateway (via Node Red) Development • 11 Aug 2024, 22:35 • slt1 11 Aug 2024, 22:35

2x BME 280 on 2x arduino nano hangs in HomeAssistant Home Assistant • 27 Jul 2024, 12:25 • HJ_SK 11 Aug 2024, 19:56

Alexa Fauxmo - Mysensor Bridge Gateway / BLE - Mysensors Bridge Gateway My Project • 10 Aug 2024, 08:29 • fsgraz 10 Aug 2024, 08:29

Where to change settings? Home Assistant • 15 Mar 2023, 14:58 • eiten 25 Jul 2024, 19:19

Some sensors permanently fail after one/two years Troubleshooting • 25 Jul 2024, 17:17 • Kokosnoot 25 Jul 2024, 17:17

💬 Building a wired RS485 sensor network Announcements • 14 Sept 2016, 18:30 • hek 24 Jul 2024, 05:25

How to great variables General Discussion • arduino mycontroller.org variables • 16 May 2024, 14:43 • wint0178 22 Jul 2024, 06:11

Suddenly a Sensor is Missing, not the whole Node. (RPI Eth Gateway, HA) Troubleshooting • 3 Jul 2024, 07:20 • se-O-matic 15 Jul 2024, 08:45

Extraneous info in Debug log Troubleshooting • debug log • 28 Jun 2024, 22:42 • Gibber 28 Jun 2024, 22:42

MQTT GW on ESP8266 supporting SSL/TLS? Development • esp8266 mqtt gw • 4 Jun 2024, 10:21 • bgunnarb 27 Jun 2024, 13:53

GatawayESP8266 - Compile error General Discussion • gatawayesp8266 compile error • 18 May 2021, 11:50 • skom 5 Jun 2024, 15:55

Help needed with connecting MySensors node to Home Assistant NodeManager • 16 May 2024, 09:59 • HJ_SK 19 May 2024, 15:01

What's a good power bank for use with IoT? General Discussion • 14 Dec 2021, 17:28 • NeverDie 17 May 2024, 15:03

Status of my rv(camper) home automation system 2020-2025
My Project • about 21 hours ago • fsgraz about 21 hours ago

💬 air quality motherboard for sensor.community project
OpenHardware.io • sensor.community luftdaten dust sensor • 2 days ago • openhardware.io 2 days ago

IKEA UTRUSTA remote control
Controllers • 3 days ago • JanJaap Jagtenberg 3 days ago

DHT22 wrong sensor type in Home Assistant
Troubleshooting • 8 days ago • Commodoreuno 3 days ago

Code Garage to the rescue.
General Discussion • 11 Jan 2025, 11:25 • skywatch 8 days ago

is this project dead?
General Discussion • 8 days ago • perfectom 8 days ago

Interface-board-for-remote-control
My Project • 12 days ago • OldSurferDude 12 days ago

Radar motion sensor
My Project • 14 days ago • suresh sharma 14 days ago

ESP32 with LoRa
General Discussion • 31 Jan 2023, 11:06 • dhanushmh 16 days ago

Is it possible to extract child ID from a just sent message?
General Discussion • 8 Nov 2021, 09:21 • Nigel31 19 days ago

Why is the output of ACS712 current measurement module unchanged?
General Discussion • mysensors • 19 Jul 2021, 09:09 • Tessie T 20 days ago

JSN SR04T - Temperature Influencing Readings
Troubleshooting • ultrasonic water level tank • 6 Sept 2019, 07:51 • Timbergetter 21 days ago

Email notifications received twice
General Discussion • 6 Feb 2023, 16:15 • Jodaille 22 days ago

No merge into master in the last 5 years, should we use development?
General Discussion • 23 Sept 2024, 17:48 • kiesel 24 days ago

PJON and Minicore not working
Development • 28 days ago • Trand 28 days ago

JSN-SR04T-V3.0 Coax cable extended
Troubleshooting • 30 days ago • bocalexandru 28 days ago

ESPnow as transport layer
Feature Requests • 18 Mar 2025, 10:02 • MasMat 19 Mar 2025, 05:24

Ghost Child
Troubleshooting • 15 Mar 2025, 07:44 • FcNanoLed 18 Mar 2025, 18:36

Home Assistant/MySensors quirks
Development • 17 Mar 2025, 02:35 • OldSurferDude 17 Mar 2025, 02:35

Which device I have to use to connect with accelerometer before connecting to my pc?
General Discussion • 24 Jan 2023, 17:16 • Yada Kijsathan 16 Mar 2025, 20:17

Door chime
My Project • 9 Mar 2025, 10:06 • Paul Scarbro 13 Mar 2025, 00:15

MQTT-Help me understand about the MQTT Gateway.
Development • 2 Mar 2025, 01:44 • dpcons 12 Mar 2025, 23:39

PJON on RS485
Feature Requests • 11 Apr 2022, 06:58 • hypnosiss 9 Mar 2025, 07:57

ESP32 Wired (no WiFi)
Feature Requests • 15 Nov 2024, 10:39 • Marcin 9 Mar 2025, 07:54

NODs stop responding, but ping works.
Troubleshooting • 8 Mar 2025, 19:47 • Marcin 8 Mar 2025, 19:47

Meet in Malmö, Summer 2016?
General Discussion • 1 Feb 2016, 15:34 • bjacobse 4 Mar 2025, 00:29

Getting system time from the controller
Troubleshooting • 27 Feb 2025, 01:39 • dpcons 3 Mar 2025, 01:00

Adding Listen only device to my system.
Development • 26 Feb 2025, 00:39 • dpcons 26 Feb 2025, 06:26

Compiling Sensor code using BME280 and ESP8266
Troubleshooting • 26 Feb 2025, 00:32 • dpcons 26 Feb 2025, 06:22

Sensor to detect marijuana vape/smoke
Hardware • 21 Jan 2025, 06:36 • Hellmark 25 Feb 2025, 20:56

ESP-NOW
General Discussion • 220v i recently noticed that expres between esp8266 and es[p which allows direct conection if has released esp-now • 22 Apr 2018, 05:58 • NeverDie 17 Feb 2025, 22:24

How to find the wire combinations in a nema 17 stepper motor with six wires?
Enclosures / 3D Printing • 17 Feb 2025, 05:48 • jack22 17 Feb 2025, 05:48

Nb of possible nodes in a mysensors networks with domoticz
My Project • 13 Jan 2025, 18:10 • GLAB 16 Feb 2025, 01:11

Newbie questions
Hardware • 14 Feb 2025, 20:03 • magwas 14 Feb 2025, 20:03

Human presence sensors....
General Discussion • 31 Jan 2025, 10:54 • skywatch 9 Feb 2025, 19:36

Sending offset to node
Development • 31 Jan 2025, 00:59 • bsl88k 4 Feb 2025, 12:14

Combination of networks
General Discussion • 1 Feb 2025, 17:30 • Sniker 4 Feb 2025, 01:02

Wio-E5 (STM32 and SX1262)
My Project • 31 Dec 2024, 17:52 • nagelc 25 Jan 2025, 20:21

Running out of nodeId's
General Discussion • mysensors • 3 Sept 2024, 07:33 • NielBierman 25 Jan 2025, 17:19

BMP280 SPI Adafruit
My Project • 24 Aug 2016, 01:56 • Matt 23 Jan 2025, 16:25

💬 Components
Announcements • 11 Sept 2016, 21:04 • hek 23 Jan 2025, 00:08

Simulate Online-Recreating 'Flappy Bird' with Arduino Nano
My Project • 15 Jan 2025, 09:13 • Skylar Jones 15 Jan 2025, 09:13

Saving last known good state, but not in EEPROM
Development • 30 Jan 2024, 18:46 • OldSurferDude 15 Jan 2025, 08:51

Radio waking up for no reason.
Development • 4 Jul 2020, 21:09 • Sasquatch 15 Jan 2025, 08:33

What is form factor?
General Discussion • 15 Jan 2025, 07:33 • Luosi 15 Jan 2025, 07:33

Gateway without a radio
Development • 12 Jan 2025, 23:19 • OldSurferDude 14 Jan 2025, 22:07

Long time test done with soil sensor!
My Project • 7 Jan 2025, 09:13 • Nicklas Starkel 13 Jan 2025, 09:10

Counting Incoming and Outgoing Messages from a Gateway
Development • 10 Dec 2024, 21:57 • Trand 14 Dec 2024, 20:23

S_GAS, send and request problem
Domoticz • 28 Nov 2024, 05:38 • Marcin 28 Nov 2024, 05:38

LAN8720A - will mysensors work with this module
Development • 13 Nov 2024, 17:06 • Marcin 15 Nov 2024, 10:59

Water Meter or "How to get Home Assistant to send saved data to an Arduino"
My Project • 18 Oct 2024, 02:19 • OldSurferDude 18 Oct 2024, 02:19

How I delete a node from HA and start over.
Home Assistant • 18 Oct 2024, 02:05 • OldSurferDude 18 Oct 2024, 02:05

Node 2 is unknown warning in Homeassistant.
Home Assistant • 10 Mar 2019, 19:27 • badisensors 15 Oct 2024, 20:33

Anybody got one / a few spare minimalist rfm69hw shields for wemos d1 mini?
General Discussion • 20 Sept 2024, 08:45 • kiesel 11 Oct 2024, 15:32

Gateway on my PI when i run HA
Home Assistant • 31 Aug 2024, 21:51 • diltech 5 Oct 2024, 10:31

[mysensors] Not a valid message: invalid literal for int() with base 10: '\x00\x000'
Development • 18 Sept 2024, 20:34 • kiesel 20 Sept 2024, 08:28

Echo request is not set
Troubleshooting • 12 Aug 2024, 15:36 • kamilb85 3 Sept 2024, 08:58

Forum Search not working?
Troubleshooting • 4 Oct 2023, 23:33 • Gibber 2 Sept 2024, 20:28

Hi,
Home Assistant • 1 Sept 2024, 20:57 • diltech 1 Sept 2024, 20:57

Best time of year to buy higher quality small project solar panels?
Hardware • 10 Jun 2021, 19:19 • NeverDie 30 Aug 2024, 14:01

Can not compile MySensors on esp8266
Troubleshooting • 24 Aug 2024, 15:35 • TheoL 29 Aug 2024, 20:47

Raspberry Pi 5: invalid GPIO 9
Troubleshooting • 27 Aug 2024, 13:20 • igo 27 Aug 2024, 13:20

Arduino nano and Uno in same My sensors network with NRF24L01+
Troubleshooting • 26 Jul 2024, 10:30 • DIY89 27 Aug 2024, 09:59

Need advice on solar powering with LiFePo4 battery
General Discussion • 8 Jan 2021, 09:40 • willemx 25 Aug 2024, 22:19

HVAC type sensor in homeassistant
Home Assistant • 17 Aug 2024, 10:50 • tbowmo 17 Aug 2024, 20:51

A low cost energy meter
My Project • 25 Jan 2024, 01:03 • OldSurferDude 12 Aug 2024, 06:03

Water Filtering and Sterilization and Hot Water Recirculation
My Project • 10 Aug 2024, 07:51 • fsgraz 12 Aug 2024, 05:25

MYSController with MQTT Gateway (via Node Red)
Development • 11 Aug 2024, 22:35 • slt1 11 Aug 2024, 22:35

2x BME 280 on 2x arduino nano hangs in HomeAssistant
Home Assistant • 27 Jul 2024, 12:25 • HJ_SK 11 Aug 2024, 19:56

Alexa Fauxmo - Mysensor Bridge Gateway / BLE - Mysensors Bridge Gateway
My Project • 10 Aug 2024, 08:29 • fsgraz 10 Aug 2024, 08:29

Where to change settings?
Home Assistant • 15 Mar 2023, 14:58 • eiten 25 Jul 2024, 19:19

Some sensors permanently fail after one/two years
Troubleshooting • 25 Jul 2024, 17:17 • Kokosnoot 25 Jul 2024, 17:17

💬 Building a wired RS485 sensor network
Announcements • 14 Sept 2016, 18:30 • hek 24 Jul 2024, 05:25

How to great variables
General Discussion • arduino mycontroller.org variables • 16 May 2024, 14:43 • wint0178 22 Jul 2024, 06:11

Suddenly a Sensor is Missing, not the whole Node. (RPI Eth Gateway, HA)
Troubleshooting • 3 Jul 2024, 07:20 • se-O-matic 15 Jul 2024, 08:45

Extraneous info in Debug log
Troubleshooting • debug log • 28 Jun 2024, 22:42 • Gibber 28 Jun 2024, 22:42

MQTT GW on ESP8266 supporting SSL/TLS?
Development • esp8266 mqtt gw • 4 Jun 2024, 10:21 • bgunnarb 27 Jun 2024, 13:53

GatawayESP8266 - Compile error
General Discussion • gatawayesp8266 compile error • 18 May 2021, 11:50 • skom 5 Jun 2024, 15:55

Help needed with connecting MySensors node to Home Assistant
NodeManager • 16 May 2024, 09:59 • HJ_SK 19 May 2024, 15:01

What's a good power bank for use with IoT?
General Discussion • 14 Dec 2021, 17:28 • NeverDie 17 May 2024, 15:03