30mm Dots - 12V Digital RGB LED Pixels (Strand of 20) (WS2801) Brand_VLSI rotors and more

rotors and more

and other components

You will need to either purchase a 9-12VDC adapter or you can use one you've already got around the house

They have a special profile with rounded teeth which reduces backlash

OGG to have the audio file play when the matching trigger pin is connected to ground momentarily

30mm Dots - 12V Digital RGB LED Pixels (Strand of 20) (WS2801) Brand_VLSI rotors and moreThese 12V RGB Pixel LEDs combine bright, individually addressable lighting with a weather resistant design, making them ideal for illuminated signs, outdoor displays, decorative lighting, and large scale animated installations. RGB Pixels are digitally controllable lights you can set to any colour, or animate. Each round 'pixel cluster' contains 3 RGB LEDs and a controller chip soldered to a PCB. The pixel is then encased in a translucent white 'dot'