Bridge mqtt:broker:embedded_broker "OpenHAB embedded MQTT Broker" [ host="127.0.0.1", secure=false, clientID="openHAB2" ] { Thing topic Heizung_Hauptschalter "Heizung Hauptschalter" @ "Heizung" { Channels: Type switch : power "Power" [ stateTopic="shellies/shelly1-2C82FA/relay/0", on="on", off="off", commandTopic="shellies/shelly1-2C82FA/relay/0/command", on="on", off="off" ] } }