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Light-emitting diode - Wikipedia
LED - Light Emitting Diode: Basics, Types and Characteristics
LED - Light Emitting Diode: Basics, Types and Characteristics
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tutorials:learn:arduino:leds.html [AdaWiki]
Series LED Resistor Calculator - Electrical Engineering & Electronics Tools
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What is LED? - Definition, Working, Properties, Uses, Advantages
What is LED? - Definition, Working, Properties, Uses, Advantages
Light-emitting diode - Wikipedia
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What is LED? - Definition, Working, Properties, Uses, Advantages
