there is also this platform coming out on Kickstarter:
https://www.kickstarter.com/projects/electro-smith/daisy-an-embedded-platform-for-music/

On Wed, Mar 25, 2020, 9:34 AM Gary Worsham <gary.wors...@gmail.com> wrote:

> Hi Roland,
>
> I've been messing with the ESP32 via the ESP32-A1S wifi/BT dev board from
> AIThinker.  As the Faust instructions state, there is a fairly large
> external RAM, but it takes manual editing of generated C++ to get it to
> work properly.  Also, for example delay blocks do not allocate "static
> float" memory as in the example for os.osc() so it's not obvious how one
> would edit the C++ to make delays work.  Using only the internal RAM, you
> can get about 150 msec of delay time.  Interestingly, this does not depend
> on the sample rate.  I changed SR from 48000 to 32000  and the generated
> code failed in the same way at the same delay time.
>
> I got 2 sawtooth oscs and two triangle LFO driven flangers running at one
> time.  My goal is not to make synths though, just effects to put into a
> guitar preamp fx loop.  I think the ESP32 will be appropriate for some of
> this but I'm hitting and finding limits by trial and error.  Fortunately
> I'm only do this for amusement at this point.  I would not really recommend
> the ESP32 unless you wish to be on the bleeding edge.
>
> Gary W.
>
>
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> On Wed, Mar 25, 2020 at 9:26 AM Roland Nebe <rol...@groovelastig.de>
> wrote:
>
>> Hey everyone,
>>
>>
>> First post - hope you are all well and healthy and are in good spirits
>> despite #stayathome times.
>>
>> Just getting into Faust and very much into electronics and modular
>> shenanigans: https://www.instagram.com/makingsoundmachines/
>>
>>
>> *What is in your opinion the best MCU based hardware option to run Faust
>> on?*
>>
>>
>> We've had some success with Faust and the Teensy 3.6 + Audio Shield,
>> being able to run
>> - the Additive Synth sketch x2 = 16 oscrs 2 ADSR 2 resonant LP filters
>> - a poly version of the bandlimited saw = 8 sawtooth 8 adsr 8 resonant
>> LP filters
>>
>> but there are equally as many tries when a simple sketch is too CPU
>> intense (e.g. a 4 voice Poly Additive Synth) and just wont run.
>>
>>
>> The big idea would be to design own cirtcuitry / PCBs e.g. CV Control
>> around a MCU that runs a simple-ish Faust sketch (Similar to the RT OWL but
>> more specific to a single concept).
>>
>>
>> We have experince with some STMs and the Cube IDE, and all kinds of
>> Arduino based stuff.
>>
>> We haven't been able to get our hands on a Teensy 4.0. How big is the
>> improvement?
>> We haven't yet looked into the ESP 32 - is this the preferred route to go?
>>
>>
>> Very much look forward to hear about your experiences with this. Any
>> hints and pointers are welcome.
>>
>>
>> All the best
>>
>> Roland
>>
>>
>>
>> --
>> Roland Nebe
>> Flurstr. 68
>> D-40235 Düsseldorf
>>
>> facebook.com/roland.nebe
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