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 ...

A 4x4 matrix keypad consists of 16 push buttons arranged in 4 rows and 4 columns: Each row has one terminal of 4 buttons connected Each column represents the other terminals of buttons in that column ...

If you are a maker or an electronics enthusiast, then you must be familiar with the Arduino platform and their boards. As we know, the Arduino platform made it easier for makers like us to make our ...