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 ...
GitHub

adityagangurde27/4x4-Keypad-Interface-with-LCD-Display-using-Arduino

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 ...