How to Calculate Resistor Value for LED Lighting | Simply Smarter Circuitry Blog
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Choosing the Resistor to Use With LEDs : 3 Steps - Instructables
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Basics: Picking Resistors for LEDs | Evil Mad Scientist Laboratories
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![Noob] Why do I need 1 resistor for each LED ? Can't I use 1 resistor for all the the LEDs ? : r/arduino](http://farm1.static.flickr.com/30/61941877_d74eae045b_o.jpg "Noob] Why do I need 1 resistor for each LED ? Can't I use 1 resistor for all the the LEDs ? : r/arduino")
Noob] Why do I need 1 resistor for each LED ? Can't I use 1 resistor for all the the LEDs ? : r/arduino
Why does every LED need a resitor - General Electronics - Arduino Forum
Breadboard Layout | Arduino Lesson 2. LEDs | Adafruit Learning System
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L1: Turning on an LED - Physical Computing
Guide to LEDs and resistors
L1: Turning on an LED - Physical Computing
