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LED Resistor Calculator
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LED Resistor Calculator
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LED Resistor Calculator
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led - Resistor requirement for 3.3 V supply - Electrical Engineering Stack Exchange
L1: Turning on an LED - Physical Computing
Amazon.com: 5mm 6v Pre-Wired Red LED - Ultra Bright (3v, 4v, 5v, 6v) (Pack of 5) : Industrial & Scientific
Revisiting Volts | All About LEDs | Adafruit Learning System
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