The ButtonPad uses Arduino Mega pins as the inputs from the ButtonPad: Mega pins used for data: Pin 64 – Data 0 Pin 65 – Data 1 Pin 66 – Data 2 Pin 67 – Data 3 Pin 68 – Data 4 Pin 69 – Data 5 Mega pins used to power the button pad: Pin 62 – Power Pin 63 – Ground Mega pins used to power the LEDs on the ButtonPad: Pin 16 – LED Pin 17 – LED Pin 18 – LED Pin 19 – LED Pin 20 – LED Pin 21 – LED
