Chapter 1
Lighting an LED With Makey Makey – Joylabz Official Makey Makey Store
How an LED Light Bulb Works - Ideas & Advice | Lamps Plus
File:Electronic-Component-Red-LED.jpg - Wikimedia Commons
Chapter8: Switches and LEDs
Light-emitting diode - Wikipedia
Anatomy of an LED Lightbulb & Infographic | Warehouse-Lighting.com
What is an LED? Definition, Types, Working Principle, and Uses - Atlearner: Learn Science & Technology
LED | Definition, Lights, Types, & Facts | Britannica
L1: Turning on an LED - Physical Computing
How To Power An LED - BC Robotics
LED Polarity - Blog | Switch Electronics
What is LED - News about Energy Storage, Batteries, Climate Change and the Environment
Light-Emitting Diodes (LEDs) - SparkFun Learn
Simple LED Circuits | Homemade Circuit Projects
3 Simple Ways to Light an Led Bulb with a Battery - wikiHow
Arduino: Use a Button to Toggle an LED - YouTube
Blinking an LED | Onion Omega2 Maker Kit
LED Diagram - Easily Describes the Components of an LED by mathcodeprint
What is an LED? | All About LEDs | Adafruit Learning System
LED – Light Emitting Diode - LEDs for Beginners in Electronics
How an LED Light Bulb Works - Ideas & Advice | Lamps Plus
How Does an LED Work on the Molecular Level? | CircuitBread
