Arduino
LEDs, Displays, and Sound
Spice Up Any Project With Lights and Sound!
Character LCD displays, LED matrix displays, and seven segment displays are perfect for showing sensor data, menus, and status messages. LEDs can be used as status indicators, and buzzers can serve as sound alarms when a sensor reading gets too high or low. Pick a tutorial below to learn more!
Arduino LCD Set Up and Programming Guide
How to set up an LCD display on an Arduino, with descriptions and examples of all of the functions available to program it.
How to Set up Seven Segment Displays on the Arduino
Learn how to set up and program seven segment displays on an Arduino. We’ll also see how to display temperature readings from a thermistor.
How to Control LEDs on the Arduino
A complete guide to using LEDs on the Arduino, including how they work, how to connect them, and how to program them.
How to Setup LED Matrix Displays on the Arduino
Learn how to setup single and multiple LED matrix displays on the Arduino, and how to scroll text and the readings from a sensor.
How to Use Active and Passive Buzzers on the Arduino
Active and passive buzzers can be used as an alarm or notification when an Arduino sensor reaches a certain value.