here is an answer i got:
"hmmm.. replacing digital buttons with knobs MIGHT be possible to do with
rotary encoder knobs...
but it wont give you smooth analog operating ranges or anything.."
The last sentence is chinese to me tho :D
>From: "Phoebe October" <october71@...>
>Reply-To: korgpolyex@yahoogroups.com
>To: korgpolyex@yahoogroups.com
>Subject: [korgpolyex] Re: Parameter wheel
>Date: Tue, 02 Aug 2005 18:09:11 -0000
>
>--- In korgpolyex@yahoogroups.com, "Philip Linde" <philip.linde@t...>
>wrote:
> > Hello!
> > Maybe you guys know anyone who can make anything out of this
> > information: http://www.interq.or.jp/japan/se-inoue/e_ckt10_3.htm. I
> > wouldn't know, but it kind of looks like what I expected the solution
> > to be.
>
>Aha...I was never exactly sure how a rotary encoder worked until now.
>Then again, I never really looked into it either. It seems to me that
>the rotary encoder + the up-down detection circuit would fit the bill.
>I may have to give it a try once I start working on modifying my poly800.
>
>Yes, I have some circuit knowledge (but not a ton)...I make and modify
>things.
>
>cya!
>phoebe aka october71
>www.soundclick.com/october71
>
>