Building an Arduino speed detector using IR technology to measure the speed of a moving object is much more cost-effective, ...

Powered by an Arduino Uno, the light painter provides a user interface on a 16×2 LCD which allows control over not only the brightness of the WS2812 LED strips but selecting and loading different ...

He also integrated a 3W amplifier into this build, and everything is controlled by an Arduino including a small LCD screen which ... and also because all of the circuit schematics are available ...