[sdiy] Controller design

[bbob]

Paul Everett made a midi concertina, wayback in the day before arduios
etc.  His webpage is also gone, but not forgotten by the wayback machine:

https://web.archive.org/web/20081017092441/http://home.stny.rr.com/peverett/gadget.html


On Tue, Dec 29, 2015 at 1:39 PM, Thomas Burdick <thomas at burdick.fr> wrote:

> Hi all,
>
> I'm working on an electronic melodeon/cajun accordion (10 push buttons).
> Concentrating on the left hand only at the moment, I'd like to have 4-voice
> polyphony, to avoid having to tune 20 VCOs. So I have 10 switches and I'd
> like to have 4 CVs with gates. I don't particularly need triggers, as the
> bellows pressure will directly control the VCA for all four voices. One
> little wrinkle is that the keys play different notes depending on the
> direction of the bellows pressure.
>
> Does anyone have any pointers to anything I should read before diving into
> this controller design? Should I try this with analog circuitry (which I
> find more fun as a general rule), or is that more trouble than it's worth?
> I suppose I could just wire everything up to an arduino and have that drive
> some DACs. Any advice or resources would be appreciated.
>
> Thanks,
> Thomas
>
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