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 Forum index » How-tos » Micro Tuning
Microtonal keyboard - first partial prototype
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Octahedra



Joined: Nov 29, 2008
Posts: 149
Location: Cheshire, UK
Audio files: 7

PostPosted: Mon Jun 29, 2009 3:58 am    Post subject: Microtonal keyboard - first partial prototype Reply with quote  Mark this post and the followings unread

Here's the first working prototype for my microtonal keyboard...

The full thing will be laid out like this - purpose-designed for 31 notes per octave, using a midi encoder circuit from MGB.

So far I've just built 2 rows of keys - enough to see that gluing it all together is going to cause problems when repairs are needed. So next time I think I'll have each row of keys bolted to a thin plastic or plywood beam that runs all the way from top to bottom, under and inside the moving keys. That way you can see all the microswitch solder terminals from the bottom without having to take individual keys off.

The key action is very light and a bit clicky due to using microswitches, but it's definitely begining to work...

Apologies for photo quality - my only camera is the one in my phone...

Gordon


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first prototype microtonal keyboard
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seraph
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Joined: Jun 21, 2003
Posts: 12398
Location: Firenze, Italy
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PostPosted: Mon Jun 29, 2009 4:08 am    Post subject: Reply with quote  Mark this post and the followings unread

Gordon, you are a brave lad Very Happy I wish you all the best Exclamation
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Octahedra



Joined: Nov 29, 2008
Posts: 149
Location: Cheshire, UK
Audio files: 7

PostPosted: Mon Jun 29, 2009 11:33 am    Post subject: Reply with quote  Mark this post and the followings unread

seraph wrote:
you are a brave lad


Well, I wasn't brave enough to fork out 4 or 8 times the money, for any of the ready-made exotic keyboards that I've seen on the internet...

Still, thanks to you Carlo and other forum members for your suggestions. Just a shame I couldn't have played any of them in a shop first, so see what they were really like. Then it might have been different.

Anyway, I like a crazy project from time to time, and having already put nearly all the money down, I've got a good incentive to finish it!

Gordon
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gordonjay



Joined: May 27, 2009
Posts: 31
Location: asheville

PostPosted: Thu Jul 02, 2009 10:38 am    Post subject: Reply with quote  Mark this post and the followings unread

that diagram you posted makes my brain spin. this looks really cool. i'm interested to see how it turns out!
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