A simple project using an Arduino that will allow you to create an RGB LED lamp.
All that you need for this project is an Arduino and an RGB LED.
Here you can download the code for the Arduino: Arduino code
The RED pin is attached to pin 9
The GREEN pin is attached to pin 6
The BLUE pin is attached to pin 5
The BLACK pin is atteched to GND
The gray cable is obviously the ground.
The three colours in series. There is a small fade between one colour and the next.