Yeah, that's the one!
Sorry for the loose usage of antenna - that's what they used :-(
Anyway, the stud sensor is at the very bottom of that website.
David

Dale Botkin wrote:

> On Mon, 18 Feb 2002, David P. Harris wrote:
>
> > There's a great one on the web--  consists of a 555 timer with an antennae
> > feeding a PIC (So I can change the header!). The PIC calibrates to teh freqy
> > when you turn it on, then reports changes in the freqy.  I have a bookmark
> > somewhere...if anyone wants it.
>
> I saw one like that on the PARTS web site (Portland Area robotics club), I
> think.  Someone had adapted one for use as a proximity detector for
> robots, very cool.
>
> http://www.rdrop.com/users/marvin/other/otherprj.htm
>
> Dale
>
> --
> http://www.piclist.com hint: The PICList is archived three different
> ways.  See http://www.piclist.com/#archives for details.

--
http://www.piclist.com hint: The PICList is archived three different
ways.  See http://www.piclist.com/#archives for details.