Resistor to diode LED – ForbiddenBit
Resistor before or after LED? - Build Electronic Circuits
Basics: Picking Resistors for LEDs | Evil Mad Scientist Laboratories
Simple Basic LED Circuit (How to Use LEDs) : 4 Steps - Instructables
How to Calculate Resistor Value for LED Lighting | Simply Smarter Circuitry Blog
Which Resistor Should I Use with my LED? – Kitronik Ltd
Choosing the Resistor to Use With LEDs : 3 Steps - Instructables
Why do LEDs need resistors? - Electronic Guidebook
do-it-up.com | How to Install Load Resistors for LED Turn Signal Lights: - do-it-up.com
How to calculate the value of resistor for LED when connecting with Power Supply. - ETechnoG
How do I calculate what resistors I need for RGB LEDs with 3.7V? - Electrical Engineering Stack Exchange
Why does every LED need a resitor - General Electronics - Arduino Forum
Resistors - learn.sparkfun.com
How to connect LED with 9v battery - Resistor, LED, 9v battery connection tutorial - YouTube
Series LED Resistor Calculator - Electrical Engineering & Electronics Tools
The Resistor LED
Guide to LEDs and resistors
Resistors for LED Circuits | Resistor Applications | Resistor Guide
How to Calculate the Value of Resistor for LED & LED's Circuits
Basics: Picking Resistors for LEDs | Evil Mad Scientist Laboratories
Pinscape Build Guide
Guide to LEDs and resistors
Forward Voltage and KVL | All About LEDs | Adafruit Learning System
When and Why do LEDs Need Current Limiting Resistors? | Waveform Lighting
Does the resistor need to go before the LED? - YouTube
