How figure out current draw (of LEDS) using a DMM and resistors:
LEDBenchmark - LED Wattage Claims
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Basic Light Emitting Diode guide - DP
Light Emitting Diode or the LED Tutorial
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I don't understand the text about LED's type and power consumption - Electrical Engineering Stack Exchange
Light-Emitting Diodes (LEDs) - SparkFun Learn
When and Why do LEDs Need Current Limiting Resistors? | Waveform Lighting
LED circuit - Wikipedia
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