Looking to use LCDs and Arduino in your projects?  Use this guide to learn how to build and code and LCD and Arduino circuit.


Use this diagram to wire your LCD and get it ready to test.


LCD Arduino Circuit

Before you can get your LCD running, you need to find it’s address.  Use the code below, and copy the address from the serial monitor so that you can use it in the next code.

Insert the address you found in the code above into line 9 of the code below.  Then upload the code to see a message on your LCD.  Adjust the brightness with the potentiometer on the back.


Mastered LCDs and Arduino?  Read our other posts to see how to use other componenents with Arduino.

LEDs and Arduino