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

[J. Larry Hendry]

Eric Barbour sent me a link a while back about a product called "MIDI to
Anything" that sounds like just what you need.  However, the link I have is
no longer any good.

But, I found this collection of stuff:
http://www.videopete.com/midi/
One of these may have been the one Eric was kind enough to point me toward.
However, my brain is too old to recall.

Larry Hendry

----- Original Message -----
From: Glen <mclilith at ezwv.com>
To: <synth-diy at dropmix.xs4all.nl>
Sent: Sunday, October 06, 2002 11:24 PM
Subject: [sdiy] MIDI to solenoid/optoisolator/relay interface?


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