OCS-2 is an analogue style synthesizer. Small, but very powerful and flexible, it provides an incredible sound quality!
Project showcase by chnry
the fader output analogue value that are converted to digital by the arduino
it's a big shield for the arduino.
here is a picture with the arduino :
There is a picture here:
it's mostly 4051 demux, one audio codec (WM8731), a 6N138 for the midi in, and a quad AOP for the analogue input.
lot's of smt capacitor, connector, fader and switch.
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