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 ...

This repository explores the interfacing of 4x4 keypad with an Arduino, but without using any built-in headers. The goal is to completely learn the interfacing mechanism from scratch. The code is ...

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 ...