Revision 6 as of 2016-12-28 13:43:38

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TomK32 / PollySynth

The PollySynth 16 is a simple synthesizer with a capacitive keyboard for input.


  • Keyboard cut from simple copper pcb
  • custom designed
  • 18650 battery with charging module
  • speaker

the case

Based on a design by Kevin Buehner which itself is an improvement from David Pye's design. With holders for speaker, battery and a small pcb.

case v1.1 with 18650 battery slots on each end of the battery holder to fix little metal clips nude battery holder close up PC232121.JPG PC232122.JPG [ATTACH] PC232126.JPG

Future changes

  • Fix small issues with case
  • Wire headphone output
  • Improve input, needs some caps
  • Remove calibration from software and use a poti instead
  • Replace battery charger with an improved one
  • Find on/off swith in larger quant and a way to fix it better
  • buttons or sliders for pitch and volume

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