Calculator Using I2C LCD and 4x4 Keypad on Arduino

Introduction

Calculator is used for making mathematical calculations. It is small electronic device with a keyboard and a visual display. This calculator can do a simple calculation for addition, subtraction, multiplication and division.

Video

This video will show you how to make a calculator using I2C LCD and 4x4 Keypad on Arduino.

Hardware Preparation

This is the hardware connection and the components needed.

Sample Code

References :

1. How to create Arduino controlled calculator.

Thank you

Thank you for reading this tutorial and we hope it helps your project development. If you have any technical inquiry, please post at Cytron Technical Forum.