The MIDI Synthesizer gives the possiblility to connect your Paper Bits to your Keyboard. It is polyphonic up to six notes and has three different waveforms: square, triangle and sine.
It's basicaly an Arduino klone running a small program based on the wonderfull Mozzi librarie.

• Resistors:
• 1x 330 Ohm

• Capacitors:

• 5x 100 nF (foil)
• Electrolytic Capacitors:
• 1x 4,7 µF
• 1x 10 µF
• 1x 47 µF
• Semiconductors:

• optocoupler
• 1x LED
• Mechanical:
• 1x IC socket, 16 pin
• 1x IC socket, 4 pin
• 1x pin strip 1×9
• 2x pin header, female 90° 1×3, 1×2
• 2x pin header, male 90° 1×3, 1×2
• 3x mini switch
• 3x push button
• 3x jumpers
• Potentiometers:
• 1x 10k

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