See: https://www.instructables.com/Fiber-Optic-LED-Lamp See: https://www.instructables.com/Fiber-Optic-and-LEDs-a-Wall-Decoration I adapted the code to suit my GRBW ...
In this code we'll cycle through 13 colors before turning off for a common cathode LED. This will work if you are using a common anode LED strip connected to a ...