LED Resistor Calculator
LED Series Resistor Calculator | DigiKey Electronics
Basics: Picking Resistors for LEDs | Evil Mad Scientist Laboratories
power - Resistor for 20 LEDs in series - Electrical Engineering Stack Exchange
How Many Volts are Needed to Power an LED? - KitHub
Basic Light Emitting Diode guide - DP
LED circuit - Wikipedia
When and Why do LEDs Need Current Limiting Resistors? | Waveform Lighting
Which to Adjust? | All About LEDs | Adafruit Learning System
How To Calculate and Connect LEDs in Series and Parallel | Homemade Circuit Projects
Light Emitting Diode or the LED Tutorial
Do I Need an LED Driver? — 1000Bulbs.com Blog
Basic Light Emitting Diode guide - DP
Curcuit voltage drop with external power supply - Project Guidance - Arduino Forum
L1: Turning on an LED - Physical Computing
Light Emitting Diode or the LED Tutorial
L1: Turning on an LED - Physical Computing
Connecting LED Strips in "Series" vs "Parallel" | Waveform Lighting
What is Voltage Drop? 12V LED Strip light wire gauge calculation in long runs
Calculating Current Limiting Resistor Values for LED Circuits | Nuts & Volts Magazine
voltage - Easy way to figure out a LED's Vf in order to pick an appropriate resistor - Electrical Engineering Stack Exchange
parallel - LED Voltage Drop in Series - Electrical Engineering Stack Exchange
LED Troubleshooting - Wire and Wiring Issues
