Hi,
i know the thread has advanced a lot. But i like to add the “solution”.
The problem is that Philips does not expose the dimmer switch events to anything outside its own bridge. So OpenHAB can not get the tap notifications off the dimmer switch nor the tap switch (another device from Philips HUE). There are some hacks by polling the HUE api on the bridge to detect the events from dimmer and tap switch, but those would result in a lot of load or pretty much delayed responses to taps. So the short answer is: No, you can not use the Philips HUE Dimmer Switches or the Philips HUE Tap Switch to trigger things in OpenHAB.
It is not intended by Philips to open up the HUE System to these uses. Technically it would be easy to remove the restriction by Philips from the bridge software, but their support does not even react on any requests in that direction…
To have a useful physical tap switch in OpenHAB you need to use another supplier than Philips (i did not found a reasonable priced switch that worked well, but that would be another thread).
Kind regards
Matthias
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