Here we describe an open-source Arduino RGB LED photometer that can be 3D printed and contains an educational interface written in Python for use in chemistry laboratories. In addition, the CAD models ...

LED Flowing Lights Using Arduino UNO This project demonstrates how to create a flowing light effect using 8 LEDs controlled by an Arduino UNO. This is a continuation from the basic "blinking LED" ...

Official Arduino Example Tutorials: The Arduino computer software is loaded with tons of examples for you to use in your own code or to run through as a learning experience.