Light-Emitting Diodes (LEDs)
Contributors:
Nick Poole, 
bboyho
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:
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.
How LEDs are Made
We take a tour of a LED manufacturer and learn how PTH 5mm LEDs are made for SparkFun.
The Great Big Guide to Paper Circuits
Let's take a look at different materials we can use to combine paper crafting and electronics.
Wireless Glove Controller
Build a wireless glove controller with Arduinos to trigger an LED using XBees!
Or check out some of these related blog posts: