pinout.vvzero.com/draft/overlay/picade-hat.md

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#Picade HAT

Picade HAT provides screw terminals for 10 arcade buttons and a joystick. It also includes a digital to analog audio converter and amplifier which outputs to a single speaker terminal.

All button inputs should be configured with their corresponding internal pull-ups. Buttons should be wired between an input and ground.

  • 14 button terminals
  • Stereo audio combined for a single speaker
  • Support for an external power button and safe power shutdown