30mm Dots - 12V Digital RGB LED Pixels (Strand of 20) (WS2801) Brand_VLSI you can use a stacking

you can use a stacking type header instead if you'd like to plug a 2 x 20 GPIO cable on top

Power Consumption: 80mA

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

Weight (unsoldered HAT only): 14g

30mm Dots - 12V Digital RGB LED Pixels (Strand of 20) (WS2801) Brand_VLSI you can use a stackingThese 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'