Circuit Basics - Arduino - LEDs, Displays, and Sound

Arduino

Spice Up Any Project With Lights and Sound!

Programming an Arduino LCD

Arduino LCD Set Up and Programming Guide

Scott Campbell6012 min read
How to set up an LCD display on an Arduino, with descriptions and examples of all of the functions available to program it.
Arduino 7 Segment Display Tutorial - Outputting Temperature to 4 Digit Display

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.
Two LED Wiring Diagram

How to Control LEDs on the Arduino

Scott Campbell1411 min read
A complete guide to using LEDs on the Arduino, including how they work, how to connect them, and how to program them.
Four LED Matrix Scrolling Temperature

How to Setup LED Matrix Displays on the Arduino

Scott Campbell516 min read
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 Setup Active and Passive Buzzers on an Arduino - How Buzzers Work

How to Use Active and Passive Buzzers on the Arduino

Scott Campbell07 min read
Active and passive buzzers can be used as an alarm or notification when an Arduino sensor reaches a certain value.