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MIDIvampire II
4 voice drum machine that is powered from the MIDI data line
  • Drum
  • AVR
  • Kit
  • MIDI

It has 2 wavetable voices for making kick drums, toms, wood blocks, bells, and a host of other sounds. There is a voice set aside for hi-hats and cymbals, and another which is a filtered noise source, which can make snares and hollow-tube sounds. Each voice has separate attack, decay, and release, along with frequency sweep, and a bunch of other effects for warping the sounds to fit all your percussive needs. And, there are independent outputs for each voice.

Open Music Labs
Intermediate
  • +Schematic
  • +PCB source
  • +Gerbers
  • +BOM
  • +FW
  • +Docs
  • -Enclosure