Simulate a traffic light using an Arduino and LEDs! This project is super cool to watch and easy to make!

Use Arduino to run a spectacular Christmas light show. (Both in English and Spanish, en Ingles y Español.)

Uses a photo resistor to determine whether a room is bright, average or dark. It shows this using 3 LEDs and/or the serial monitor.

Now, you can control your light system in your home using your voice , by talking to your systems which to turn on and which to turn off

Because LED are fun - but addressable rocks. :)

Portable LED panels let you dress us like your favorite 8-bit video game characters.

You just bought a RGB LED strip kit and you would like to get rid of that cheap hand-held IR remote and to have REAL control.

Using the microphone of your mobile phone to control the led cube according to the loudness (decibels).

Set up your Arduino and Raspberry Pi to control lighting and animation on an RGB LED strip from your smartphone or PC.

Build a convincing artificial fire effect for the holiday season using NeoPixel LEDs, an Arduino UNO, and a cool mist module.

I taught a class on Communication Systems using programming, machines and Morse code.

Arduino based 3D LED Cube (3x3x3) which can produce any light pattern with 27 LEDs.

Learn to use Bluetooth wireless to control all kinds of AC devices from your smartphone.

How to make a 7x7x7 LED cube with Arduino.

The classic whack-a-mole game using LED lights and a joystick.

Using the power of motion, swipe in 4 directions to change the color of an LED!

An animated cube made with 512 RGB LEDs driven by an ATmega328.

This project will let you have some fun playing with colors using Arduino analog input / output. Change colors with just a twist.

A fun, interactive project for makers new to Arduino. Control the brightness of an RGB LED with Potentiometers, with on/off switch built in.

LED emergency lights for use on model / toy vehicles and other projects. Uses Arduino UNO and GY-WS2812B-8 RGB LED Module from DIYmall.

This project allows the user to create their own light animations! Can modify each frame, the speed, and loop count.

Persistence of vision is an optical illusion, it works on a simple phenomenon how our day to day television works.

Ten LEDs connected to an Arduino Uno and a potentiometer.

Use your HTML and javascript skills to create your own, genuine smartphone remote app for Arduino (and all its compatibles).