Take a look at the command reference: GPIO (pinnumber),(value) is a command, (devicename) (valuename),(value) is not - it is a sensor which sends its value back to the broker. If you want to use something less cryptic in Openhab then wrap the gpio command in a rule and call that via mttq. ;) Like I...

Hi, I'm trying to get my Sonoff, flashed with ESPeasy, to turn on and off. I'm a NOOB with this and can't figure out what I'm doing wrong. OpenHabian2 and MQTT on RPi 3, a Sonoff with ESPeasy. In OpenHab items: Switch Sonoff1 {mqtt=">[mymosquitto:/Sonoff_1/ gpio/12 :command:ON:1],>[mymosquitto:...