Re Comport Question

I'm not clear how this works. Because if I change the baud rate it
definitely stops any communication between the laptop  and the Arduino so
baud rate must have some meaning in this case. I also tried using a python
program I wrote and got the same behaviour  of working up to 19200 then
stopping so I don't think it's an issue with Pure Data. Maybe a cable issue?

>
> Note that Arduino is usually (or always?) connected through an USB device
> which emulates a serial device (hence the comport).
>
> In this case the baud rate has no meaning (the baud rate is only used by
> physical UARTs).
>
> Le jeu. 26 juin 2025 à 00:06, Antoine Rousseau <[email protected]> a
> écrit :
>
> > With the latest comport 1.3 (available on Deken) you can set the baud
> > rate  up to 4000000, if your system allows it. See
> > https://git.iem.at/pd/comport
> >
> > Le mer. 25 juin 2025 à 22:53, Alexandros Drymonitis <[email protected]> a
> > écrit :
> >
> >> How did you find such a limitation? You can use it with a 115,200 baud
> >> rate just fine on any OS (including Linux).
> >>
> >> On 6/25/25 23:50, Jim Ruxton wrote:
> >> > I'm using the comport object to speak to an Arduino. I'm finding the
> >> > fastest baud rate I could use was 19200.  I'm on Linux. Would anyone
> >> > know if this is a limitation of the object in Linux or if there is
> >> > something else going on. I'd like to send data faster if possible.
> >> >
> >> > ---
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