I’ve just upgraded to OpenHab 2.4 running on OpenHabian (rPi 3+) and I’ve had to remove the MQTT1 binding and look at using the MQTT 2 binding - probably about time! I’ve managed to get most things working again but I’m having problems with my 433Mhz switchable sockets. I have another rPi monitorin…

It’s not possible with 2.4 but there either transform is available in the 2.5 milestones. You could also apply a transform Profile. This is basically a map. Another option is the latter milestone versions all you to define the mapping like this on the Channel definition itself, no need for the mapp…

Regrettably, profiles do not operate on outbound commands. The channel’s on/off options offer simple transformation for switches, but not for outbound on 2.4

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MQTT 2.4 configured in Item files

Setup, Configuration and Use Items & Sitemaps

rossko57 (Rossko57) November 24, 2019, 7:56pm 2

I think you need outbound transformations for that, not available in MQTT binding 2.4

Paper-UI Channel Command Topic Transform