ribbon controllers

[Arthur Harrison]

Some interesting information is at:
http://www.prismnet.com/~tpolk/music/music.html.
Also see:  http://www.geocities.com/Vienna/4611/tannerin.html and
http://www.geocities.com/Vienna/4611/PTE-TPage.html.

-Art

-----Original Message-----
From: Steve Varner <varner at k-online.com>
To: synth-diy <synth-diy at mailhost.bpa.nl>
Date: Thursday, January 14, 1999 3:58 PM
Subject: Re: ribbon controllers


>There is information on building a ribbon controller in "Electronic Music
>Circuits" by B. Klein. This one is basically a rheostat using a long strip
>of conductive foam such as you find protecting semiconductors from static
>charges. The foam is placed on non-conductive material (wood, etc.) and two
>metal plates are attached at each end. One plate is connected to ground and
>the other to a +15V supply. Now, at a slight distance above the foam you
>place a piece of metallized mylar film that leads to the Control Voltage
out
>jack. When you press on the mylar film it makes contact with the foam
>somewhere between 0 and 15V. As you slide your finger along the film, the
>voltage changes. I haven't made one of these, but I plan to.
>
>SV
>
>Hallgeir Helland wrote:
>
>> Hi there, it's me again :o)
>>
>> I was wondering if there is some good info
>> on ribbon controllers around somewhere.
>> How they work, how to make, where to find,
>> and such DIY related info.
>>
>> I'm going to have a joystick on my school-
>> synth-project (from one of those radio
>> control thingys they fly their model
>> airplanes with), and it'll be neat.
>>
>> But it'd also be cool to have a ribbon ;->
>>
>> Has anyone done this before?
>>
>> Thanks,
>> Hallgeir
>>
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>
>
>