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MQTT Client Gateway

b0rmann last edited by
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gregl Hero Member last edited by

very tidy!
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rtenklooster last edited by

Nice, looks neat, are you using the ws5100 or the enc28xx?
Are you willing to share the pcb (eagle / fritzing / etc. ) files?
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b0rmann last edited by @rtenklooster

@rtenklooster
ws5100.
share... a bit of later.
I had to fix some little bugs.
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hek Admin last edited by hek

This post is deleted!
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TommySharp last edited by

Very cool! Any more detail you can give on this setup?
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mqtt 70

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After upgrading Wemos from 2.3.0 to 2.4.0-RC2 version, OTA works well know
Yet another MQTT gateway for MySensors :)
Development • mysensors mqtt • • scurb

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@scurb This looks very interesting and my factor now to save me from having to create my own :-). I have been planning to do the same thing (although maybe on a smaller software scale) by writing a simple Python server that would pull serial packets off of a gateway arduino (either running mysensors or something I write myself) and pipe this through MQTT to openHAB. I have two questions: How do you interface with a sensor network? Do you go through a serial connection to read the serial packet format (a,b,c,d)? I see several implementations that put the mqtt client directly on the Arduino, but it seems much cheaper for me to just plug it into a USB port to get a virtual serial port instead of investing in a separate ethernet shield How does an item configurations look like for a switch in openHAB? I'm looking to build a toggle switch which toggles light on or off every time it is activated, and I cannot really understand how to configure the switch to allow this behaviour for an mqtt input. Feel free to take the second question with me directly since this might not be very interesting to the others in the forum
MySensorsTracker - a simple logger for MySensors MQTT messages
My Project • mqtt diagnose database logging • • canyouhearmenow

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@evb Still haven't had a chance to look at your PR, sorry. Yes, the database tends to grow I have about 80MB after a year of use. Just added a function to delete all messages older than, say, a year.
Strange value being sent from controller using mixed temp/relay node
Bug Reports • mqtt error multiple sensor • • Gambituk

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Sorry. Hek, I using this code. Vera3 find relay and it works, but also appears 3 door sensors instead of 3 temp sensors. I try to use the my arduino board only with sd18b20 sketch and it work's and show temperature. Is it sketch suitale for vera? @Gambituk said: and here is the modified relay/temp sketch // Running DS temperature sensor(s) and relay(s) on one mysensor arduino node // Combines Onewire and Relay code // 2014-10-14 Pego: Tested and Running on Uno/Clone and MQTT gateway // Example sketch showing how to send in OneWire temperature readings // Example sketch showing how to control physical relays. // This example will remember relay state even after power failure. #include <MySensor.h> #include <SPI.h> #include <DallasTemperature.h> #include <OneWire.h>presen #define ONE_WIRE_BUS 3 // Pin where dallase sensor is connected #define MAX_ATTACHED_DS18B20 16 #define RELAY_1 4 // Arduino Digital I/O pin number for first relay (second on pin+1 etc) #define NUMBER_OF_RELAYS 2 // Total number of attached relays #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 unsigned long SLEEP_TIME = 30000; // Sleep time between reads (in milliseconds) 30000 orig OneWire oneWire(ONE_WIRE_BUS); DallasTemperature sensors(&oneWire); MySensor gw; float lastTemperature[MAX_ATTACHED_DS18B20]; int numSensors=0; boolean receivedConfig = false; boolean metric = true; // Initialize temperature message MyMessage msg(0,V_TEMP); void setup() { // Startup OneWire sensors.begin(); // Startup and initialize MySensors library. Set callback for incoming messages. //gw.begin(); gw.begin(incomingMessage, AUTO, true); // Send the sketch version information to the gateway and Controller gw.sendSketchInfo("Temp and Relays", "1.0"); // Fetch the number of attached temperature sensors numSensors = sensors.getDeviceCount(); // Present all sensors to controller for (int i=0; i<numSensors && i<MAX_ATTACHED_DS18B20; i++) { gw.present(i, V_TEMP); } // Fetch relay status for (int sensor=1, pin=RELAY_1; sensor<=NUMBER_OF_RELAYS;sensor++, pin++) { // Register all sensors to gw (they will be created as child devices) gw.present(sensor, S_LIGHT); // Then set relay pins in output mode pinMode(pin, OUTPUT); // Set relay to last known state (using eeprom storage) digitalWrite(pin, gw.loadState(sensor)?RELAY_ON:RELAY_OFF); } } void loop() { // Process incoming messages (like config from server) gw.process(); // Fetch temperatures from Dallas sensors sensors.requestTemperatures(); // Read temperatures and send them to controller for (int i=0; i<numSensors && i<MAX_ATTACHED_DS18B20; i++) { // Fetch and round temperature to one decimal float temperature = static_cast<float>(static_cast<int>((gw.getConfig().isMetric?sensors.getTempCByIndex(i):sensors.getTempFByIndex(i)) * 10.)) / 10.; // Only send data if temperature has changed more then 1 degC and no error if (int(lastTemperature[i]) != int(temperature) && temperature != -127.00) { //added integer // Send in the new temperature gw.send(msg.setSensor(i).set(temperature,1)); lastTemperature[i]=temperature; } } //gw.sleep(SLEEP_TIME); //no sleep for relays!!!! } void incomingMessage(const MyMessage &message) { // We only expect one type of message from controller. But we better check anyway. if (message.type==V_LIGHT) { // Change relay state digitalWrite(message.sensor-1+RELAY_1, message.getBool()?RELAY_ON:RELAY_OFF); // Store state in eeprom gw.saveState(message.sensor, message.getBool()); // Write some debug info Serial.print("Incoming change for sensor:"); Serial.print(message.sensor); Serial.print(", New status: "); Serial.println(message.getBool()); } }
💬 MqGateway
OpenHardware.io • gateway mqtt wired • • openhardware.io

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https://web.archive.org/web/20201201193332/https://github.com/aetas/mqgateway might be somewhat useful
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Hey there @Chaotic ! This is Fay from codebender.cc Thank you for using codebender! I just wanted to let you know that one of the sketches you are using in this comment has been deleted and so it is not available for users to view it. Let me know if you have any question.
💬 Bed occupancy detector
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