OCS-2 is an analogue style synthesizer. Small, but very powerful and flexible, it provides an incredible sound quality!
Project showcase by chnry
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.
The hardware is not yet open source (it will certainly be latter).
But it's not very complex. Only lot's of demux and one audio codec.
If you want to replicate this, you certainly want to design an other synth anyway, otherwise it's not worth it.
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