From Wiki

I wrote a small program for my boarduino to test out some RGB LED's which I had recently purchased from ledtronics. It uses PWM to fade from one color to another. It fades the next color in before fading the current color out, which results in the sequence:

• red
• red+green
• green
• green+blue
• blue
• blue+red

media

• photos.
• two videos of the fading effect [1][2].

code

The source code is available here.