[sdiy] Top Octave Modular

[Elain Klopke]

> You don't need 832 controls for switches.
>

Originally, I had thought to make it so one could alter the harmonics that
were switched to the busses.


> All you do is switch notes, that's 61 controls, and 8 (9?) buses,
> preferably with VCAs not switches. There will be 96 signals to switch, and
> they will be hardwired over note switches. And each note control will
> switch all 8 buses at once with 1 control.
>
>
And yeah, came to that conclusion today at work when I was looking over the
MIDIboxIO128 and deciding on using that as the brain for the project.

And on that subject, since the STM32F4 is powered by 3.3V, do I need level
shifters to be able to interface with the CMOS chips?

-Ian
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