GitHub

Keypad library for Arduino

The Keypad is a library for using matrix style keypads with the Arduino. As of version 3.0, it now supports multiple keypresses. This library is based upon the Keypad Tutorial. It was created to ...
GitHub

A fully functional calculator built with an Arduino Mega, 16x2 LCD, and 4x4 keypad. Supports addition, subtraction, multiplication, division, modulus, and negative number input ...

There was an error while loading. Please reload this page. Arduino (Elegoo Mega 2560) LCD & Keypad Calculator Overview A fully functional calculator built using an ...