picotouch_drumcard

Card-sized drum synth / sequencer with MIDI In/Out

GPL-3.0 License

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Ecosystems: CircuitPython

picotouch_drumcard

Playing card-sized (2.5"x3.5") sequencer / synth / USB / MIDI touch controller

Successor to the picotouch_bizcard MIDI controller

Features

  • 17 capacitive touch pads arranged in a step-sequencer layout
  • 15 reverse-mounted LEDs as status / touch indicators
  • TRS-A MIDI In and Out
  • Audio out (via 12-bit PWM)
  • Battery powered, with lipo battery charging circuit
  • Powered by Raspberry Pi Pico board
  • Programmable with CircuitPython, Arduino, etc.

Example code

  • Drum sequencer + synth
  • MIDI controller
  • Macropad
  • USB-MIDI interface

https://github.com/user-attachments/assets/234cb804-bad1-4454-a92b-b1dc36a663cc

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