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

Ten LEDs connected to an Arduino Uno and a potentiometer.

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!

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.

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

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

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

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

DIY light based transmission between two Arduinos using LED and LDR with custom communication protocol.

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

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

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

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

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

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

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

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

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

Neopixels make a moving rainbow when triggered by a distance less than 1 meter in front of an Ultrasonic sensor.

A motion detection lamp. It switches on and off when there's motion.

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