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

Yet another useless Arduino clock, but i love it.

Ten LEDs connected to an Arduino Uno and a potentiometer.

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

The LED sequencer is an easy project for beginners to learn how LEDs work.

A cool timer gadget to teach your kids about washing hands for twenty seconds.

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.

RGB LED backlight with audio signal visualization for room/desk backlightning...

Just a basic sound sensor activated LEDs with an optional LCD for sound level data. ***STROBE LIGHT EFFECT AT AROUND 8:45 MINUTE MARK!***

Musical color for WS2812b, Arduino and PC.

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.

Build a beautiful Holiday Shadow Theater and control the animated scene with your phone.

A simple gesture-controlled interactive table light, which can encourage kids towards making.

Have a very happy birthday celebration using this simple Arduino device that plays the happy birthday tune while flashing lights!

The short project for beginners to get some practice in using LED lighting with the sound sensor.

This is using the laser transmitter and receiver to communicate, and using the Morse code given by the laser transmitter to the receiver.

In this project text is transmitted between two arduinos by using a LED and a LDR.

Tutorial of how to build an Arduino based illumination LED strip drive with dim capabilities.

A simple project to add animated (marquee) lighting to your arcade cabinet or other project with an Arduino Nano and NeoPixels.

Build a beautiful “infinity mirror” Illusion that you can control by changing this mirrors' orientation. Rotate for changing colors!

This project will show you how to fade lights, add a button to it.

Use the orientation sensor in your Arduino 101 to control a cool Petri dish infinity-mirror illusion. This project is great for groups.

This is a quick night light that uses PTH LED bricks to light up when it gets dark!