Circuits From Scratch | Let's Put LEDs in Things! | Adafruit Learning System
Guide to LEDs and resistors
Simple LED circuit with 9V battery – helloCircuits!
Guide to LEDs and resistors
LED Resistor Calculator
Resistance' of an LED | LEDnique
How to Calculate Resistor Value for LED Lighting | Simply Smarter Circuitry Blog
Choosing the Resistor to Use With LEDs : 3 Steps - Instructables
Calculating Current Limiting Resistor Values for LED Circuits | Nuts & Volts Magazine
LED Resistor Calculator | Need for Series Resistor | Equation, Example, Resistor Power Dissipation
Solved Given below is a schematic for a simple LED | Chegg.com
Current limiting resistor for LED and load | ElecCircuit.com
Light-Emitting Diodes (LEDs) - SparkFun Learn
Basics: Picking Resistors for LEDs | Evil Mad Scientist Laboratories
What Resistor Do I Need For an LED | DigiKey Electronics
Resistors for LED Circuits | Resistor Applications | Resistor Guide
LED Resistor Calculator
How to Calculate the Value of Resistor for LEDs Circuits?
What Resistor Do I Need For an LED | DigiKey Electronics
In order to light an LED with a 12V supply, what resistor value is needed? - Quora
Choosing the Resistor to Use With LEDs : 3 Steps - Instructables
