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 ...

An Arduino project implementing a security alarm system featuring PIN code access via a 4x4 keypad, status updates on a 16x2 LCD, motion detection using an HC-SR04 ultrasonic sensor, and ...

Makers, hobbyists and electronic enthusiasts searching for a project to keep them busy this weekend may be interested in a new DIY custom mechanical keypad complete with TFT LCD display, which has ...