[sdiy] Raspberry Pi in Eurorack module

[Pete Hartman]

Microprocessors are not the same category as a raspberry pi.

The Pi is a full blown Linux computer.  I can hook a keyboard, a monitor,
and some storage up, and use it to browse the internet, should I want to.
As such its form factor is a lot bigger than most MCUs, as is its
complexity overall.

That said, as pointed out with the Terminal Tedium, it's pretty trivial to
"port" something like a Pd patch over into a Pi because all you have to do
is move the code, and make sure the Pd executables are part of the OS
image.  I have an ongoing idea that I want to develop that has a proof of
concept done in Pd, and I've been beating my head on how to implement that
on something simpler (e.g. a Teensy), and I may simply go with a Terminal
Tedium in the short run just to prove to myself that it's viable as a
module.

MCUs are used in digital modules all the time.  Most of the Mutable
Instruments line uses STM32 chips.  Folks use PIC pretty often for things
like MIDI to CV.  Some folks like to embed Arduinos or as I mentioned, the
Teensy, into projects to do things that are more complex and leverage a
simpler coding paradigm (when you're coding directly to the MCU you have to
deal with fuses and clock setup, and a bunch of other housekeeping things,
whereas the Arduino/Teensy model takes care of all that for you and leaves
you to just code what happens with the I/O pins).

So from bare hardware to full blown computer, you have various MCUs, then
the Arduino/Teensy family, then Raspberry Pi.  Which suits your particular
project depends on a lot of factors, not least of which is what you're
comfortable with handling yourself in terms of coding and support
hardware.  MCUs can be made much more specific to your task, with less
overhead, but you don't have anyone pre-doing any of the "glue" bits for
you....

Pete




On Sun, Nov 1, 2020 at 10:43 AM Didier Leplae via Synth-diy <
synth-diy at synth-diy.org> wrote:

> Forgive my ignorance on the topic, but I’ve noticed that microchip for
> example sells microprocessor units. Would that be something akin to a
> raspberry pi? Does anyone use those for modular?
>
> On Nov 1, 2020, at 10:24 AM, Julien <jdelgoulet at free.fr> wrote:
>
> If you are into pd there is the terminal Tedium module :
> https://www.muffwiggler.com/forum/viewtopic.php?t=104896
>
> Envoyé de mon iPhone
>
> Le 1 nov. 2020 à 16:28, Gordonjcp <gordonjcp at gjcp.net> a écrit :
>
> On Sun, Nov 01, 2020 at 07:05:38AM +1300, admin wrote:
>
>
> I’ve noticed a few modules coming to market that use them Instruo Lubadh
> and Qu-Bit Nebule MK1 and MK2 for example
>
>
> Huh, Glasgow-based?
>
> Weird that they're using the Irish acute accent in Lúbadh ("bending") and
> not the correct Scottish grave accent Lùbadh...
>
> --
> Gordonjcp
>
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