Do you know some kind of wireless hardware switch to controle a RGB light or a LED strip.
Maybe some kind of rotating knob with presets or up down command ?
The goal is to command (via openhab) a RGB light :
On and Off (white color) and scenes presets (blue, red, blinking, whatever)
There are plenty on aliexpress.
Control methods are IR remote, RF remote.
With RF2.4, the protocol most probably be undocumented.
IR commands you can record and re-transmit using some kind of Unversal IR transceiver compatible with OH. You can also build it yourself using Arduino IR libraries.
I forgot to mention one thing … I’d like to wall mount the switch.
This kind of design I suppose