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Whammy Sequencer

This guitar pedal is a sequencer for the Whammy DT.

front back

Schematic

Schematic

  • 1 x Arduino Nano
  • 2 x MAX7219 7 segments modules
  • 2 x 220k resistors
  • 2 x 10k resistors
  • 2 x footswitches
  • 2 x rotary encoders
  • 1 x DIN midi port
  • 1 x DC jack

Software

To display characters with 7 segments displays, install the LedControl library and patch it with LedControl.h.patch file.

TODO

  • Check compatibility with all whammy pedal, if not add a setting
  • Add a setting to choose between true bypass and buffered bypass
  • Move presets in PROGMEM
  • Add a tap tempo