@metasyntactic wrote:
I’m looking to drive my furnace with a raspberry pi. Pimoroni’s automation HAT looks ideal due to it’s low profile and the fact it has the exact number of relays I need. I’m a little confused by what ADC is though and how it differs from straight alternating current. The C wire on my thermostat is a straight 24V AC, my hope is that I could connect that into the hat and control my fan, RH, and RC wires through the relays. Will the ADC input support 24V AC? Also, I see that the hat outputs 5V DC, is it actually possible to power a pi off the hat?
I’m having a lot of trouble finding good documentation or examples of the HAT online and am having issues determining if it’s suited for my application.
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