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

[vzorglub (Vincent Regaud)]

This was solved on another thread already

Using Sonoff Power Switches with Tasmota firmware and openHAB2 MQTT2 binding

Hi guys, after hours of working on my openHAB2 configuration for my Sonoff Smart Switches, using the Tasmota firmware, I got that running, using the new MQTT2 binding. As for now I have 7 Sonoff Power Switches and didn’t want to configure them through PaperUI. After a hint from @Dim I got my configuration completely in files, providing me with the ability to do some slight changes on all channels at the same time. This is just meant as an example and I would be more than happy, get more hints …