https://www.hackster.io/lluppes/4x4-matrix-keypad-with-a-raspberry-pi-and-c-357ffe
4x4 Matrix Keypad with a Raspberry Pi and C# - Hackster.io
This is a C# Universal Application for a Raspberry Pi running Windows 10 IoT Core that enables a 4x4 Matrix Keypad. Find this and other hardware projects on...
4x4 matrix keypadraspberry pi