[sdiy] MIDI to solenoid/optoisolator/relay interface?

[mark verbos]

What about that thing Doepfer makes? It's a PCB that converts MIDI notes 
into TTL level logic.

http://www.doepfer.de/mtc.htm

i know this list hates dieter, but this looks interesting.

mark

Dave Magnuson wrote:

>I've seen something very similar online....  I think it was to add MIDI to
>a pipe organ.  Maybe you could search for that?
>
>Dave Magnuson
>
>
>
>At 12:24 AM 10/7/02 -0400, Glen wrote:
>
>>I've seen plenty of products and projects that interface MIDI in various
>>ways. There are key switch scanning circuits that add MIDI outputs to older
>>keyboard-based instruments. There are MIDI to CV converters, to add MIDI
>>inputs to modular synths. You get the idea.
>>
>>What I'm having trouble researching on the internet is circuitry that
>>accepts an incoming MIDI stream and controls either solenoids,
>>optoisolators, or relay contacts. I have a few uses for such a conversion,
>>but have trouble finding much on the internet.
>>
>>Part of the problem is not knowing what to call this sort of MIDI
>>interface. I appreciate any pointers. I'd prefer to build my own project,
>>but I might also be interested in existing commercial interfaces.
>>
>>thanks,
>>Glen
>>
>
>Resonant Frequency:
>resfreq at hoohahrecords.com
>http://www.hoohahrecords.com/resfreq/index.html
>