I opted for the RED node solution. I hadn’t used it before and I’m amazed at how easy it is. If you have an MQTT broker and ideally Docker running (I’m using a Raspberry Pi with Portainer where everything is installed), then it’s done in 1-2 hours max. Here’s a very good description:
Many thanks to Larsen, that was a great help.
I hope, however, that there will soon be a solution directly in OpenHAB.
