Amazon.com: DiCUNO 1000pcs 3MM LED Assorted Light Emitting Diodes Diffused 2 Pin Round Color White/Red/Yellow/Green/Blue Kit Box (5 Colors x 200pcs) : Industrial & Scientific
Android Basics and User Interfaces
Powering Any WS2812b Setup — Project Tempos
Two ICs Convert 4-20mA Signal to 0-5V Output
led - Resistor requirement for 3.3 V supply - Electrical Engineering Stack Exchange
Basics: Picking Resistors for LEDs | Evil Mad Scientist Laboratories
Choosing the Resistor to Use With LEDs : 3 Steps - Instructables
Light Emitting Diodes
Using a transistor to control a LED - Electrical Engineering Stack Exchange
Basics: Picking Resistors for LEDs | Evil Mad Scientist Laboratories
Android Basics and User Interfaces
L1: Turning on an LED - Physical Computing
npn - 2N2222 as a switch - Electrical Engineering Stack Exchange
Android Basics and User Interfaces
LEDs for Beginners : 9 Steps (with Pictures) - Instructables
LED and resistor in series from +5V to digital in - General Electronics - Arduino Forum
RGB LEDs Provide Multicolor Display Solutions | DigiKey
L1: Turning on an LED - Physical Computing
Light Emitting Diode or the LED Tutorial
How to use LED circuit in basic ways | ElecCircuit.com
Light Emitting Diode or the LED Tutorial
How To Wire Led Lights To A Switch - Conquerall Electrical Ltd
