How to on off realy in ardiuno via openhab 2 useing mqtt

[sihui]

@sanjay_panchal

i am try remove slash

Looks good now.

@sanjay_panchal

but is not working

Any errors in your openhab.log or broker log? Any state change events in your events.log?

Go through all the steps described here:

MQTT Binding (v1.11) Getting Started 101

After countless threads regarding initial configuration issues, here is a short guide on how to get started with MQTT, the MQTT binding and openHAB. This thread is a wiki article and can be improved by everyone. Please do! MQTT is a machine-to-machine (M2M)/“Internet of Things” connectivity protocol. It was designed as an extremely lightweight publish/subscribe messaging transport. A few resources first: Read all you ever need to know about MQTT in the MQTT Essentials The openHAB MQT…