Arduino Tutorial 49: How to Build a Simple Calculator with LCD Display

12 12 views
9m Feb 18, 2020

In lesson 48 we gave the homework assignment to create a simple calculator that could add, subtract, multiply and divide using the arduino, and then creating a nicely formatted output on the LCD. In this lesson we take you through the solution to the assignment

You can get the kit I am using for this series at the following link:

As projects get more complicated in these lessons, you guys really need to get a set of breadboard jumper wires which allow you to make neater connections on the board in your projects. You can pick a pack of these wires up here:

In addition as projects get more complicated, you are going to need a bigger breadboard. This is a reasonable one here:

Follow these lessons and other great content on our Free WEB site;

You guys can help me out over at Patreon, and that will help me keep my gear updated, and help me keep this quality content coming:

[Disclosure of Material Connection: I am a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to This means if you visit the link and purchase the item, I will receive an affiliate commission. Regardless, I only recommend products or services I use personally and believe will add value to my readers.]

About Paul McWhorter

I am Paul McWhorter from and I will be putting together a series of tutorials on use of the Arduino microcontroller.


Markdown is supported.
EEVblog – E271
8 years ago
EEVblog – E785
5 years ago
EEVblog – E335
8 years ago
The Defpom – E53
4 years ago
EEVblog – E1073
2 years ago