[sdiy] DIY slide-bars

[The Peasant]

http://www.electronicpeasant.com/projects/ribbon/controller.html

Take care,
Doug
______________________
The Electronic Peasant

www.electronicpeasant.com


Quoting Harry Bissell Jr <harrybissell at prodigy.net>:

> At one time, Interlink made an FSR slide potentiometer
> with Z-axis sensing. They buffered the "wiper" with
> a very high impedance to select the "voltage" from
> the resistive element, then used the std. technique
> for the pressure sensitivity.
> 
> Sadly, this design is NOT included in the FSR kit
> anymore.  A good number of the FSR sensore in the kit
> are too small (imho) for S-diy, but there are some 
> good pad and strip sensors. I made some pressure
> sensitive footpedals with them for drum applications.
> 
> I think the Electronic Peasant did a diy ribbon
> controller...
> 
> H^) harry
> 
> 
> 
> --- Fernando de Izuzquiza <fdi at ran.es> wrote:
> > Hi Toby, Magnus et al,
> > 
> > The qslide seems to output 128 values only. This
> > will produce 
> > noticeable low resoluion... (my experience is that
> > at least 4096 values 
> > are needed for a gesture controller that worths it's
> > name)
> > 
> > I would do it with a sensor similar to the long
> > force sensing 
> > resistors. In fact you can have a slide sensor on
> > top of a presure 
> > sensor and have a position+pressure controller.
> > The pressure controller (force sensing resistor, aka
> > FSR) can be 
> > purchased from Interlink in a developer package
> > basis (4 sensors of 
> > each 4 types for about $100) or in large quantities
> > (500 or 1000 I 
> > think!)
> > I haven't find a direct source for the slide type,
> > but you can buy one 
> > or two from the iCube people (but expensive this
> > way)
> > 
> > As you see I'm interested in this subject too. It
> > would be great that 
> > someone develop a circuit to use this sensors as VC
> > sources.
> > In PAiA site there are some clues of how to do it.
> > There is a little 
> > interface designed for FSR, electret mics and piezo
> > elements in the 
> > MIDIbrain pages.
> > 
> > Fernando
> > 
> >  > De: "Paddock, Toby" <tpaddock at seanet.com>
> >  > Fecha: Tue, 27 Jul 2004 07:23:13 -0700
> >  > Para: <synth-diy at dropmix.xs4all.nl>
> >  > Asunto: RE: [sdiy] DIY slide-bars
> >  >
> >  >>> 1) How did these classic slide bars work? What
> > materials etc. was 
> > there?
> >  >>> 2) How could one make one today? I am looking
> > for a fairly stable 
> > design,
> >  >> so
> >  >>> antistatic foam is out, OK?
> >  >>
> >  >
> >  > Has anyone used these for anything?
> >  > http://www.qprox.com/products/qslide.php
> >  >
> >  > Toby Paddock
> >  >
> > 
> 
>