I suggest you have a look at this tutorial in the documentation, or the one I linked in my first post in this thread to understand how to use MQTT in openHAB with your device - they both go over some openHAB fundamentals.
I suggest you have a look at this tutorial in the documentation, or the one I linked in my first post in this thread to understand how to use MQTT in openHAB with your device - they both go over some openHAB fundamentals.