Align the Polarity
Adding the mini PIR sensor to the FunHouse is pretty simple, you just need to check the polarity.
Look for the + symbol on the PIR sensor's PCB and match it up with the + symbol on the front side of the FunHouse board's PIR row.
Insert Sensor
Align the pins with the socket holes on the front side of the board.
The first time you insert the sensor the fit is tight, but just apply firm down ward pressure while wiggling the board a little bit and it will go in just fine.
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