The LED datasheet, All About LEDs

This tutorial will cover those wonderful blinky things, LEDs. We're also going to cover how to calculate the current going through an LED and in the mean time introduce two important laws of electronics, Kirchhoff's Voltage Law and Ohm's Law.

J Series® 2835 G Class 3V LEDs Now Shine Even Brighter — LED

Resistors for LED Circuits, Resistor Applications

Light-Emitting Diodes (LEDs) - SparkFun Learn

datasheet samsung led tube.pdf - LEDS.de

Everything about LEDs: Basics of High Power LED Lighting

LED - Basic Red 5mm - COM-09590 - SparkFun Electronics

5mm LED Pinout, Features, Forward Voltages & Datasheet

Light-Emitting Diodes (LEDs) - SparkFun Learn

Solved Part (a). You are designing a circuit to drive LED1