Sync Software switch State with Physical Switch

[sihui]

Complete explanation can be found here:

MQTT switch help

It helps more to describe the path from your device -> MQTT broker -> MQTT binding -> transform -> item -> sitemap. Your device publishes the string “ON” to the topic “/switch” on the broker “broker” when it turns on, and “OFF” when it turns off. You have a Switch item defined in your items file like this: Switch mySwitch { mqtt="<[broker:/switch:state:default]" }. You have the item appear in your sitemap with Text item=mySwitch At this point, you can see the switch turn off and on in the ope…