This is the PLAN! Exactly what I want:
The Companion app of HomeAssistant + a little helper App for the knob (which gets the entities from HomeAssistant and send the inputs back to HomeAssistant) . NO Tuya, NO Cloud. 100% Local. Fully debloat the firmware.
Just Android including HomeAssistant + App for the knob. No Tuya Software.
But it can’t be done for just 1pcs …. I am thinking about kickstarter or something else… But before I do it I need a understanding if this has a market / potential