LED Volt and Amp , How to Check Current (I) and Voltage (V) of Unknown LED Light with MultiMeter - YouTube
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Light-Emitting Diodes (LEDs) - SparkFun Learn
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Light Emitting Diode or the LED Tutorial
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LED Basics - Polarity, Forward voltage & Current rating - YouTube
Guide to LEDs and resistors
LED lamp - Wikipedia
How much voltage does a small led bulb need to glow? : r/AskElectronics
How to use LED circuit in basic ways | ElecCircuit.com
How much voltage is required to glow an LED? - Quora
How much voltage does a green LED need to be supplied? Will it handle 5V? - Electrical Engineering Stack Exchange
How Does a 5mm LED Work? - LEDSupply Blog
LEDs (Light Emitting Diodes) | Electronics Club
Light-Emitting Diodes (LEDs) - SparkFun Learn
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