A previous post here says that you use the three-pin header. The GND pin goes to Arduino GND. The 5V pin goes to Arduino +5V and the “Vin” pin is the output (yes, stupid name) that goes to an interrupt pin (2 or 3 on an Arduino UNO).
A previous post here says that you use the three-pin header. The GND pin goes to Arduino GND. The 5V pin goes to Arduino +5V and the “Vin” pin is the output (yes, stupid name) that goes to an interrupt pin (2 or 3 on an Arduino UNO).