2nd LED in series not turning on - Raspberry Pi Forums
Picking Resistors for LEDs - Make:
Homemade Tools built by led.linear1.org - HomemadeTools.net
Welcome to Led.linear1.org
Making LED blinking patterns with an Arduino – Scott Pustay
LED Resistor Calculator
Episode 8: LEDs and Current Limiting Resistor – AddOhms by Bald Engineer
LED Resistor Calculator
30 led projects
LED Resistor Calculator
Basics: Picking Resistors for LEDs | Evil Mad Scientist Laboratories
LED series/parallel array wizard The LED series/parallel array wizard is a calculator that … | Series parallel, Dollhouse miniature tutorials, Miniatures tutorials
ninevolts / LED calculator
Fab lab 2018 - Noor Ahmed Raza Pirwani
LED Resistor Calculator
LED Series Resistor Calculator | DigiKey Electronics
Led resistor calculator help - General Electronics - Arduino Forum
led matrix - Calculating current for a parallel array of in-series LEDs - Electrical Engineering Stack Exchange
LED's Using [DCC] V-AC Track Power.. | Model Train Forum
C&C 33 mark ii Windstar: LED interior lighting
LED Calculator - Bald Engineer
Voltage divider not working - General Electronics - Arduino Forum
Circuit Research- LED Calculator - 197.122-Carissa Thane-Digital Fabrication
How to efficiently power 5x 3535SMD LED? - Raspberry Pi Forums