WAVE-104 4x4 Array pushbutton Keypad Breakout Board
It is a mini 4x4 push button breakout board! There are a total of 16 Normally open “Push to Make” push buttons and is mimicking a 16-digit keypad. It has 10 numbers from 0 to 9 an Enter option and ESC option. It also features a power button, lock button, go button and stop button. The user is required to program and wire the device to get the correct functions outputted. Visit the wiki for the schematic diagram!