[sdiy] More Theremin - WHY??

[Harry Bissell Jr]

--- Paul Maddox <P.Maddox at signal.qinetiq.com> wrote:
<snipp>


> 
> Hmmm...
> Got any URLs?

thereminvision.com

> > Here's a good idea (from the Etherwave)... make
> the oscillator without
> > the antenna
> > the variable one... this way you can tweak the pot
> without screwing up
> > the variable osc.
> 
> neat.
> 
> > In a finished product, I think you would need a
> remote variable
> > resistance... tough trick at 20pF   :^P
> 
> hehe..
> 
> > Trying to make a multi-axis theremin controller by
> using multiplexed
> > detectors... might
> > be pretty hard.   ThereminVision uses the LMC555
> which might be more
> > stable than the CD4093 I'm using... but 4093 is in
> stock :^P
> 
> Thats what I was planning, adding a Y axis to the
> left hand side (volume).
> Getting it to generate some waveform and using the
> extra axis for filter
> control.

Yes thats the idea.  After a weekend of playing with
it
I'm MUCH more impressed with the Etherwave for its
stability. OTOH Bob Moog has been making theremins
(almost) longer than I've been alive...

H^) harry