How to Control LEDs on the Arduino - Circuit Basics

The same concepts used to control LEDs are used to control motors, relays, buzzers, and many other devices.

Getting Started with Arduino Uno: Controlling LED with Push Button

Arduino RGB LED Tutorial

Arduino PWM Led Control

Controlling Many LEDs Onion Omega2 Arduino Dock Starter Kit

Arduino Buttons and LEDs Push Button Tutorial - Circuit Geeks

Arduino LED - Complete Tutorial - The Robotics Back-End

Usage, RGB LED Strips

L5: Blinking Two LEDs - Physical Computing

Top 10 Arduino LED Projects for Beginners with Code

How To Control RGB LED With Arduino Uno: 2 Basic Examples

Basic set-up for TPIC6B595 Shift Register with PWM - LEDs and Multiplexing - Arduino Forum