Light-Emitting Diodes (LEDs)

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Contributors: Nick Poole, bboyho

Resources and Going Further

You've made it! You know, like, almost everything... about LEDs. Now go forth and put LEDs on whatever you please! And now... a dramatic reenactment of an LED without a current limiting resistor being over powered and burning itself out:

LED GIF

Yeah... it's not spectacular.

If you'd like to learn more about some LED related topics, visit these other tutorials:

Light

Light is a useful tool for the electrical engineer. Understanding how light relates to electronics is a fundamental skill for many projects.

IR Communication

This tutorial explains how common infrared (IR) communication works, as well as shows you how to set up a simple IR transmitter and receiver with an Arduino.

Das Blinken Top Hat

A top hat decked out with LED strips makes for a heck of a wedding gift.

How LEDs are Made

We take a tour of a LED manufacturer and learn how PTH 5mm LEDs are made for SparkFun.

LP55231 Breakout Board Hookup Guide

Get to know the LP55231 9-channel LED driver., and learn how to configure and program this surprisingly flexible IC.

Addressable LED Strip Hookup Guide

Add blinking lights to any holiday decoration with our Holiday Lights Kit using WS2812-based addressable LEDs!

Marquee Party Bag

This tutorial provides everything you need to know to make your own Marquee Party Bag!

AVR-Based Serial Enabled LCDs Hookup Guide

The AVR-based Qwiic Serial Enabled LCDs are a simple and cost effective solution to include in your project. These screens are based on the HD44780 controller, and include ATmega328P with an Arduino compatible bootloader. They accept control commands via Serial, SPI and I2C (via PTH headers or Qwiic connector). In this tutorial, we will show examples of a simple setup and go through each communication option.

 

Interested in learning more about LEDs?

See our LED page for everything you need to know to start using these components in your project.

Take me there!

 

Or check out some of these related blog posts: