[sdiy] Axoloti CV capabilities?

Roman Sowa modular at go2.pl
Wed Feb 24 10:27:35 CET 2016


It is what it is and I love it. No product will satisfy all customers, 
especially that it was not designed for eurorack, but rather as 
standalone selfcontained synth/effect.

It uses STM32F4 series processor, and PCB has routed direct pads for its 
ADC, which is 12bit. That's enough for most controls, though I don't 
care about that because MIDI control is enough for me so far.

I think maybe Johannes could make euroreck-destined axoloti with well 
defined hi-res CV in/outs. Or maybe he's working on that right now?

Roman


W dniu 2016-02-23 o 19:48, Colin Hinz pisze:
> On Tue, 23 Feb 2016, cereyanlimusiki wrote:
>
>> Hello Colin
>> Somebody has already designed and is working on a prototype eurorack
>> version of it.
>>
>> See here
>>
>> http://community.axoloti.com/t/euxoloti-for-axoloti-eurorack-module/100
>
> Ah, I see. So, to summarize dozens of forum posts:
>
> - A/D hardware on Axoloti is optimized for low-precision things like
>    pots and similar sensors, so CV in requires external buffer/scaling
>    and its own A/D. (For want of a proper Vref??? :( :( :(  )
>
> - Similar situation for CV out. The audio outs are low-precision and
>    are scaled for line-out levels, even though they are DC-coupled.
>    So, more external hardware needed.
>
> As for the euxoloti, it provides CV ins but outs would require another
> daughterboard, still TBD.
>
> Has anybody developed a generic CV I/O board for use with digital
> beasties?
>
> Though it sounds like, at least at the moment, the axoloti platform
> lacks the software 'hooks' to talk SPI to an interface. Aaaargh.
>
> Very interesting platform, even though it's a bit of a 'diamond
> in the rough'....
>
> - Colin
>
>
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