DESCRIPTION : This project demonstrates how to interface a 4x4 matrix keypad with an LCD (16x2) display using an Arduino board. The system captures key presses from the user via the keypad and ...

Arduino 42-Digit SPI Keypad Matrix (video) 1:01 pm April 19, 2017 By Julian Horsey. Arduino enthusiasts or those looking to learn more about programming with Arduino and electronics-in-general may ...