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5v Cool White LED, 82 OHM Resistor Combo for PRO Toolhead - IT-Works 3D
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Devon P. Hubner
LED Resistor Calculator
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Arduino: LEDs and resistors
LED Resistor Calculator
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Basics: Picking Resistors for LEDs | Evil Mad Scientist Laboratories
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Don't Burn Out! Calculating LED Current Limiting Resistor | Benc
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voltage - What resistor to use with this RGB LED? - Electrical Engineering Stack Exchange
Guide to LEDs and resistors
Forward Voltage and KVL | All About LEDs | Adafruit Learning System
