The TrafficLight is a project that has Arduino-powered LEDs Blinking like a traffic light.

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.

First experience with Neopixel.

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

Do you know of the famous WS1012 LEDs? The PL9823 is the cheapest LED that uses the same protocol of the WS1012. Let's blink LEDs!

Using Teensy (small Arduino) to power NeoPixels off of an electric skateboard battery.

A simple, original and cheap Christmas tree made with LED-illuminated plastic straws that can be controlled over WiFi.

Measure humidity and temperature levels in your home to avoid unhealthy air quality with this fun project.