Arduino: LEDs and resistors
Finding the right resistor for your circuit | by Rodrigo Sousa Coutinho | Arduino Playground | Medium
led - Resistor requirement for 3.3v - Electrical Engineering Stack Exchange
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Series LED Resistor Calculator - Electrical Engineering & Electronics Tools
LED Resistor Calculator | Need for Series Resistor | Equation, Example, Resistor Power Dissipation
led - Resistor requirement for 3.3v - Electrical Engineering Stack Exchange
Devon P. Hubner
Forward Voltage and KVL | All About LEDs | Adafruit Learning System
Basics: Picking Resistors for LEDs | Evil Mad Scientist Laboratories
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Choosing the Resistor to Use With LEDs : 3 Steps - Instructables
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LED Resistor Calculator
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Basics: Picking Resistors for LEDs | Evil Mad Scientist Laboratories
LED Resistor Calculator
Simple Basic LED Circuit (How to Use LEDs) : 4 Steps - Instructables
L1: Turning on an LED - Physical Computing
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Don't Burn Out! Calculating LED Current Limiting Resistor | Benc
