In the "Controllers" tab, have you configured correctly the "Domoticz MQTT" protocol ? Especially the "Enabled" box at the bottom ?

If it is that simpel, is there any existing device in the supported set of ESPEasy that does the same? Don't know about it, I'm programming ESP8266s for my home automation but never tackled programming an ESPEasy plugin (because of lack of need for it) ... (I have a mix of ESPEasy, Tasmota and home...

As far as I know, Tasmota just reads the TX line from the sensor board. It should be straightforward to implement it in EspEasy.

There is an Arduino script sending an average of 5 measures to an MQTT server here : https://github.com/marceldbo/VINDRIKTNI ... T-Domoticz

There is a port of RFLink for ESP8266 but it is based on the last available RFLink source, release 42 if I remember correctly, and so is outdated. You can add an ESP8266 to you Mega but also choose an easier way by buying a combined Mega/ESP board. I chose to do the latter with espRFLinkMQTT burned ...

I've been looking for days how in the json line below the switch for 1 sec. can be switched 'On'. dz.openURL('http:/192.168.xxx.xxx:8080/json.htm?type=command&param=switchlight&idx=507&switchcmd=On') If I understand correctly, you're trying to send a dzEvent from Domoticz to activate a ...

A big Thank You for your tutorial ! Until now, I had some false reading (a few litres here and there, especially at night, making me suspect a leak). I applied some (not all) of your instructions and my counter is now spot on for more than a week ! The recommendations I applied were the 1 second deb...