Re: [Jack-Devel] dumping MIDI events to a logfile

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Date	Mon, 11 Jan 2016 21:06:16 +0100
From	Clemens Ladisch <[hidden] at ladisch dot de>
To	[hidden] at lists dot jackaudio dot org
In-Reply-To	Benjamin Henrion Re: [Jack-Devel] dumping MIDI events to a logfile

Benjamin Henrion wrote:
> I am still interested to dump the MIDI from the serial wire, as the
> original intent was to build an ESP8266 serial2wifi module (straight
> from the MIDI out connector, no Roland USB converter), and to
> encapsulate the MIDI messages over some TCP transport.
>
> If anybody has any idea on which circuit to do (I tried with an
> octocopler, but it seems I did not pick the right one)...

Please read the specification: http://www.midi.org/techspecs/ca33.pdf
But the most suitable and common optocoupler would be the 6N137, or
one of its many variants.


Regards,
Clemens

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