I chose the Arduino MEGA 2560 R3, but you can use any other, as long as it provides all the Input pins. Also, you need cables (of course), 2 times a 4x4 Matrix.

3rd Year (Year Long) University project - Hexapod Robot. Built using a Raspberry Pi 4 and Arduino Mega 2560. Includes hand pose/gesture recognition and face detection - GitHub - robert-stevenson-1 ...