Light-Emitting Diodes (LEDs) - learn.sparkfun.com
How to calculate the series resistor for an LED – Stompville
L8: Variable Resistors - Physical Computing
Resistor Value Color Code Chart - Lighthouse LEDs
LED Resistor Calculation – Mohan's electronics blog
LED's Resistor Calculation
Resistors for LED Circuits | Resistor Applications | Resistor Guide
The Basics of Arduino: Adjusting LED Brightness
Choosing the Resistor to Use With LEDs : 3 Steps - Instructables
LED Current Limiting Resistor Calculator
How to Calculate the Value of Resistor for LED & LED's Circuits
LED Resistor Calculator
LED Resistor Calculator
LED Resistor Calculator
How Does a 5mm LED Work? - LEDSupply Blog
Light Emitting Diode or the LED Tutorial
Calculating Current Limiting Resistor Values for LED Circuits | Nuts & Volts Magazine
Which Resistor to Use with this LED? | Electronics Repair And Technology News
How to use LED circuit in basic ways | ElecCircuit.com
Resistance' of an LED | LEDnique
LED Series Resistor Calculator | DigiKey Electronics
LED Resistor Calculator
Which Resistor Should I Use with my LED? – Kitronik Ltd
