Arduino: LEDs and resistors
What is an LED?
Connecting LEDs
Getting Started with the Arduino - Controlling the LED (Part 1)
Light Emitting Diode (LED): What is it & How Does it Work? | Electrical4U
LED circuit - Wikipedia
LED vs. regular lightbulbs: Do they really make a difference?
Light Emitting Diode or the LED Tutorial
How Do Light Emitting Diodes And LED Lights Work? - LampHQ
Resistors for LED Circuits | Resistor Applications | Resistor Guide
LEDs for Beginners : 9 Steps (with Pictures) - Instructables
Life span: how long will an LED bulb last?
How to Connect An LED Strip to a Power Supply | Waveform Lighting
10 Benefits & Advantages of LED Lighting Technology | SitelogIQ
Light-Emitting Diodes (LEDs) - SparkFun Learn
3 Simple Ways to Light an Led Bulb with a Battery - wikiHow
Types of LED Lights - The Home Depot
What is LED? - Definition, Working, Properties, Uses, Advantages
How RGB LEDs work and how to control color -… | CircuitBread
What is an LED | Color Kinetics
How an LED Light Bulb Works - Ideas & Advice | Lamps Plus
