Pimoroni Skywriter HAT wav There is also 8 GPIO

There is also 8 GPIO pins that can be used for stuff like lighting up small LEDs or reading buttons

As of August 31

Since it's class D

print it out on plain white paper and scan each 'configuration' code

can't play MP3's (MP3 is patented and costs $ to license

Pimoroni Skywriter HAT wav There is also 8 GPIOUse this 3D interface to sense things floating in the air over it. Detect swipes and the motion of your hand with X, Y and Z positions. Skywriter HAT uses electrical near field 3D sensing to generate positional data and detect common gestures like flicks and taps. Use it to control your presentations like a Jedi, make a theremin to amaze and annoy all, or make a lock controlled by a magic spell! Features Electrical near field 3D gesture sensing 4