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A simple yet flexible library for Arduino to interface with popular 4x4 matrix keypads. - abhra0897/4x4-Matrix-Keypad-Arduino ...

An Arduino hourglass project is a fun and educational project that involves creating a digital hourglass timer using an Arduino microcontroller and some simple electronic components.

Most of us have an 8x8 LED matrix from one of our Arduino kits. What can we do with them? This module investigates how to use these interesting devices. Along the way, we describe a fun electronics ...