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HomeGenie via MQTT

Cpt Jack 22 Feb 2015, 19:47 last edited by

I've been able to get MySensors working with HomeGenie using the MQTT gateway. It doesn't have two-way communication or software-based pairing yet, but I'll work on those in the future.

http://www.homegenie.it/forum/index.php?topic=758.0
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hek Admin 22 Feb 2015, 21:14 last edited by @Cpt Jack

@Cpt-Jack said:

http://www.homegenie.it/forum/index.php?topic=758.0

Great work @Cpt-Jack!
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NeverDie Hero Member 26 Sept 2015, 16:31 last edited by

Any updates?
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http://forum.mysensors.org/topic/802/mqtt-and-batterylevel/2
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General Discussion • mqtt openhab • 27 Nov 2014, 17:33 • C.r.a.z.y. 30 Nov 2014, 17:59

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30 Nov 2014, 17:59

I can nothing say about OpenHAB or PiDome but: Started! 0;0;3;0;9;read: 0-0-0 s=0,c=0,t=0,pt=0,l=0: 0;0;3;0;9;version mismatch 0;0;3;0;9;read: 0-0-0 s=0,c=0,t=0,pt=0,l=0: 0;0;3;0;9;version mismatch Does not look good, it seems an error from the gateway.
Yet another MQTT gateway for MySensors :)
Development • mysensors mqtt • 11 Aug 2014, 20:52 • scurb 16 Aug 2014, 20:59

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16 Aug 2014, 20:59

@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
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Troubleshooting • mqtt energy pulse me • 13 Dec 2014, 14:00 • mbj 3 Jan 2015, 20:44

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3 Jan 2015, 20:44

@ericvdb Yes, I know about the 5V. But the adapter brings it down to 3.3V for the radio, that is the reason for using it and the adapter is equipped with the AMS 1117 3.3V chip. Seems to work OK but I really do not have any hard facts to prove it. One thing I may test is to wire the 5V also directly to this adapter instead of taking it out from the Arduino 5V pin. This is to find out if this Arduino Nano clone might have too small capacity for feeding the radio at certain occasions.
Strange value being sent from controller using mixed temp/relay node
Bug Reports • mqtt error multiple sensor • 2 Feb 2015, 13:56 • Gambituk 27 Mar 2015, 22:44

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27 Mar 2015, 22:44

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()); } }
My final setup to get MySensors and OpenHab communicating via MQTT
OpenHAB • mqtt openhab • 28 Jul 2016, 04:10 • Eric Buhring 21 Jun 2017, 20:06

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21 Jun 2017, 20:06

@Eric-Buhring I found that changing the line in the my sensors program that sends the message as below allowed me to use a Contact rather than a Switch if (value != sentValue2) { // Value has changed from last transmission, send the updated value send(msg2.set(value==HIGH?"OPEN":"CLOSED")); sentValue2 = value; }
Node sending req packets constantly (Packet type 2 on MQTT)
Troubleshooting • mqtt req type 2 • 30 Apr 2017, 08:50 • Samuel235 30 Apr 2017, 16:58

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30 Apr 2017, 16:58

I have posted a question regarding what i think could be the fix to my issue over at: https://community.openhab.org/t/push-state-of-one-mqtt-topic-to-another/27597 Not sure if it will become of anything though. If anyone else has any experience with MQTT and openhab2 over here, then please be sure to shout a thought. It seems that not many people have got this sketch to work with openhab, google searches are bringing up posts from a year or two ago made on our forum here regarding this issue with no clear/simple solution.
Gateway or mqtt?
General Discussion • mqtt homeseer hometroller • 21 Nov 2016, 03:03 • Michael_K 22 Nov 2016, 09:05

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22 Nov 2016, 09:05

@Michael_K , If we go from the front to the back this is what is needed: 1 Node: For example a door bell. This node sends information to a gateway. 2 The gateway takes the message from the node and sends this to a controller. For instance Openhab or Domotics. This can be done in several ways. MqTT being one. 3 Controller: takes the information and displays it to you. So in my case, I hardcode Node ID and CHILD ID (the complete door bell is a NODE whereas CHILD IDs may be the button pressed and maybe temperature reading at the same time). This sends to Gate way that takes the information and creates a MqTT message. What this message is, please read the instructions on this site.

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HomeGenie via MQTT

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