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 Forum index » DIY Hardware and Software » Musical Interfaces
Ribbon Controller help
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KupotheGreat



Joined: Jul 22, 2010
Posts: 6
Location: Oklahoma

PostPosted: Wed Aug 18, 2010 2:53 pm    Post subject: Ribbon Controller help Reply with quote  Mark this post and the followings unread

I've started building a ribbon controller and I've run into a large problem.
I'm using a softpot for the control surface and an Gakken SX-150 for the sound.
The problem I'm having is that the SX-150's pitch doesn't stay consistent. I'll play the lowest note and it'll be around an E. Then I come back the next day to play it again and it's now an F. It keeps getting sharper until around a G and then falls back to E.
I want to make notches were the notes are so it will be easier to play in tune and remember where the notes even are, but if they keep moving then I can't do that.
I'm thinking I need to just use a different sound source, any ideas?

Thanks for any help or ideas.
Benjamin
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KupotheGreat



Joined: Jul 22, 2010
Posts: 6
Location: Oklahoma

PostPosted: Mon Aug 23, 2010 12:35 pm    Post subject: Reply with quote  Mark this post and the followings unread

All views and no help?
Surely there's someone out there that can help.
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davebr



Joined: Jun 09, 2007
Posts: 181
Location: portland, or

PostPosted: Sat Jan 15, 2011 12:13 pm    Post subject: Ribbon Controller help Reply with quote  Mark this post and the followings unread

KupotheGreat wrote:
All views and no help?
Surely there's someone out there that can help.

You need to post more information. Specifically, what is the ribbon interface? How are you connecting it to the Gakken SX-150? Do you have any detailed information on the Gakken SX-150 that can help?

Dave
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KupotheGreat



Joined: Jul 22, 2010
Posts: 6
Location: Oklahoma

PostPosted: Sun Mar 20, 2011 10:16 pm    Post subject: Re: Ribbon Controller help Reply with quote  Mark this post and the followings unread

davebr wrote:

You need to post more information. Specifically, what is the ribbon interface? How are you connecting it to the Gakken SX-150? Do you have any detailed information on the Gakken SX-150 that can help?

Dave


Here is a link to the ribbon interface
http://www.sparkfun.com/products/8679

As for connecting it, I took the stylus and ribbon off the actual instrument and connect the three cords with the first three pins in a female cat-5 plug. Then I soldered the three pins on the softpot to the matching wires for the first three pins. The other end of the cat-5 cable has a normal plug that plugs into the female end on the SX-150.

As for any info on the Gakken SX-150, I don't have much. I know it's a pretty cheap instrument so I'm not surprised by having problems, but I'd like to make sure it's not something I'm doing.


I would gladly take other suggestions as too a new synth that would be compatible with the softpot.
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