[SOLVED] Looking for tutorial on esp8266/d1 mini + openhab + relays

[sihui]

@redtech

I have not been able to find any documents that explain how to program the esp8266 properly to communicate with the mqtt

This is the first step which needs to be taken, so please decide which firmware you want to use. Pretty common firmwares are Tasmota, ESPEasy and several others.
For Tasmota, there is even a step-by-step openHAB tutorial:

ITEAD Sonoff switches and sockets - cheap ESP8266 Wifi+MQTT hardware

ITEAD Smart Home Products https://www.itead.cc/wiki/Sonoff_Smart_Home_Solution [image][image][image] These very cheap modules come with their special smartphone app but are all actually based on the famous ESP8266. It didn’t take long till the tinkerer community got a hold of that and started hacking. After opening up the cases, all you need to do is solder a few header pins and connect your FTDI breakout programmer. Alternative firmwares are ready to provide nice MQTT based Wifi SmartHome end…

Please make sure you are following the new mqtt2 binding version setup, not the outdated mqtt1:

MQTT Things and Channels - Bindings

This will ensure your ESP8266 device is able to communicate with your mqtt broker and you will be able to configure your ESP8266 through a nice web interface.