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| == Todo / Ideas == | == Features == |
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| * Design and etch/cut the keyboard for notes * buttons or sliders for pitch and volume * Keyboard controller * case |
* Keyboard cut from simple copper pcb * custom designed |
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| * amplifier | |
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| == Progressbar == | == the case == |
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| `[X·········]` | Based on a [[http://www.thingiverse.com/thing:643264|design by Kevin Buehner]] which itself is an improvement from [[http://www.thingiverse.com/thing:28608|David Pye's design]]. With holders for speaker, battery and a small pcb. |
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| * proof of concept for keyboard * https://www.youtube.com/embed/VS9mnLH0Z-Q first protoype using Joe Marschal's code |
{{attachment:20161222_092547.jpg|case v1.1 with 18650 battery|width=300}} {{attachment:20161222_092611.jpg|slots on each end of the battery holder to fix little metal clips|width=300}} {{attachment:20161222_092634.jpg|nude battery holder close up|width=300}} {{attachment:PC232121.JPG||width=300}} {{attachment:PC232122.JPG||width=300}} {{attachment:PC232123.JPG||width=300}} {{attachment:PC232126.JPG||width=300}} == 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 |
The PollySynth 16 is a simple synthesizer with a capacitive keyboard for input.
Features
- 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.
![[ATTACH]](/wiki/TomK32/PollySynth?action=AttachFile&do=upload_form&ticket=00662ecb55.88e3c415738781d1086d482cf56654a5abd744f3&target=PC232123.JPG "[ATTACH]"){kind=small}
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
Weblinks
lib for the input https://github.com/PaulStoffregen/CapacitiveSensor
exactly what I need http://www.cs.nott.ac.uk/~pszjm2/?p=605
(optional) a beatbox http://sandsoftwaresound.net/arduino/arduino-lo-fi-beat-box/