thermostat

Hi all, i'm very new with electronics, looking to get a better understanding. I work as a HVACR tech and I've been looking into making an Arduino thermostat to use mainly on Panasonic's ducted inverter A/C. The issue i'm facing is that i don't know how the controller talks to the indoor PCB...

Hi everybody, I recently started to make amateur EE videos. Can you tell me what do you think? Thanks, Chris

I always thought the standard , bi-metal thermostat devices have too much hysteresis for some of my requirements, for instance, a seed propagator ideally requires a steady temperature for germination , also I wanted a control for a bathroom extractor fan to run when the power shower was used ...