Everyone loved Knight Rider. I want to see more KITT scanners in the world.

An alarm that triggers a siren sound an police lights when the beam of light is interrupted.

This Arduino library is for controling RGB LED colour and fading between colours.

We will use 4 LEDs, depending on the level of light that we capture with the LDR sensor.

Learn how to make a 3D-printed RGB lamp using a WS2812 LED strip.

It came with only an on/off switch. Adding an UNO to this LED chalkboard really gets your attention - it is quite a flashy pig.