Getting Started with the Arduino - Controlling the LED (Part 2)

How to program the Arduino to turn on/off an LED with a button, and use a photoresistor to control the flashing rate of an LED and the output of a speaker.

How to Setup PS2 Joysticks on the Arduino - Circuit Basics

Controlling Many LEDs Onion Omega2 Arduino Dock Starter Kit

Arduino - Control LED's with IR Remote Control

Controlling LEDs with A Multiplexer and Arduino — Maker Portal

Control an LED Over the Internet Via Arduino With Teleduino : 3 Steps - Instructables

Wolfgang Ziegler - Controlling an RGB LED Strip using an Arduino - Part 2

How to Control LEDs on the Arduino - Circuit Basics

How to Wire and Program a Button

Magic Smoke: Stripboard PID Arduino Shield, Part 2: Firmware

Getting Started with MATLAB Support Package for Arduino Hardware - MATLAB & Simulink Example

L1: Turning on an LED - Physical Computing