LCD Screens

Game Plan!

  • How to control and LCD Screen with an Arduino
  • Some fun challenges.
  • Control the LCD screen from a website.

What is an LCD Screen.

An LCD screen is a small display that can show words, numbers, and simple messages from an Arduino.

lcd screen

Our LCD screen has 4 pins on the back of it. A pin is a piece of metal connect to electric device.

lcd

Wiring

Connect 4 jumper wires from the Arduino to the lcd screen.

Arduino Pin LCD Screen
A5 SCL
A4 SDA
GND GND
5v VCC

wiring pic 1

wiring pic 2

Challenges

In this challenge you will make the "Hi" on the screen go back and forth. Close your current electroblocks window. Then open a new tab, with this link.

  • Can you make the word hi on the lcd screen go the end of the screen?

  • Can you make your name go to the end of the screen?

Final Project

Website for the code

To control it from the website be sure to close the electroblocks website. After that go LCD Website and click on the connect button. Then type a message and click send.

Complete Code

Starter Challenge Project

Final Project Code