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 Forum index » DIY Hardware and Software
USB-MIDI2CV anyone?
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Boerge



Joined: Sep 02, 2009
Posts: 42
Location: Germany

PostPosted: Wed Mar 06, 2013 12:26 am    Post subject: USB-MIDI2CV anyone? Reply with quote  Mark this post and the followings unread

Hi,

I want to use a cheap MIDI-keyboard for a DIY-Synth. The Keyboard has USB, so I have to transform it to CV-signals. Are there any ready-to-use solutions like the MIDI2CV-moduls out there?

regards

Boerge

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danielwarner



Joined: Dec 18, 2006
Posts: 65
Location: Sacramento

PostPosted: Wed Mar 06, 2013 2:28 am    Post subject: MIDI-to-USB Reply with quote  Mark this post and the followings unread

I've never seen a USB-to-CV converter, you'll probably have to use a MIDI-to-USB cable with a MIDI-to-CV module
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danielwarner



Joined: Dec 18, 2006
Posts: 65
Location: Sacramento

PostPosted: Wed Mar 06, 2013 2:38 am    Post subject: Reply with quote  Mark this post and the followings unread

Nevermind, Doepfer has one:
http://www.doepfer.de/a1903.htm
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Boerge



Joined: Sep 02, 2009
Posts: 42
Location: Germany

PostPosted: Wed Mar 06, 2013 3:00 am    Post subject: Reply with quote  Mark this post and the followings unread

danielwarner wrote:
Nevermind, Doepfer has one:


Yes, I found that too. But I rather thought about a little PCB, USB in, CV/Gate out. USB=>MIDI=>CV/gate seems a long way Wink (delay?) The only DIY-thing I found was here:

http://www.sdiy.org/knas/modsynth/usb2cv.php

But the MC1408 seems not to be available Sad

regards

Boerge

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danielwarner



Joined: Dec 18, 2006
Posts: 65
Location: Sacramento

PostPosted: Wed Mar 06, 2013 3:21 am    Post subject: Reply with quote  Mark this post and the followings unread

The MC1408 can be found on eBay:
http://www.ebay.com/sch/i.html?_trksid=p2050601.m570.l1313&_nkw=MC1408&_sacat=0&_from=R40

Good luck with that circuit!
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analog_backlash



Joined: Sep 04, 2012
Posts: 391
Location: Aldershot, UK
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PostPosted: Wed Mar 06, 2013 3:59 am    Post subject: Reply with quote  Mark this post and the followings unread

I also know a UK source for this chip:

http://www2.cricklewoodelectronics.com/Cricklewood/product.php?productid=11996&cat=0&page=1

It's more expensive than eBay, but I've bought ICs from them before and I've had no problems. I'm always a bit suspicious of eBay, unless I've had a specific recommendation (although they may well be perfectly OK).

Gary
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richardc64



Joined: Jun 01, 2006
Posts: 623
Location: NYC
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PostPosted: Wed Mar 06, 2013 7:39 am    Post subject: Reply with quote  Mark this post and the followings unread

There's nothing special about the MC1408, except maybe its scarcity. Equivalents with the same pin out are DAC08, 0800, 0802, all of which are still available.

analog_backlash wrote:
I'm always a bit suspicious of eBay...
Werd.
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