LED Basics

A tutorial on the basics of using LEDs (light emitting diodes). Polarity, forward voltage and current are discussed.
300 LEDs for $13: http://www.amazon.com/exec/obidos/ASI...
500 resistors for $12: http://www.amazon.com/exec/obidos/ASI...
Adjustable power supply: https://www.amazon.com/exec/obidos/AS...
(Amazon affiliate links)
Previous video on volts:    • 🔌 Basic Electricity - What is voltage?  
Next video on resistors:    • Basic Electricity - Resistance and Oh...  
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