Most Smart Homes have some sort of heating and air conditioning control. For this house we will be using a DC fan to get air flow into the house.
You will want to use a 5V fan like this one:
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The wiring is simple and you will just want to connect the Black wire to the Motor GND and Red wire to Motor 1.
I attached the fan to a window, but you can put your fan wherever you want it to go.
