Hi Dave & List I am looking into ultrasonic circuits also, checking out
what Radio shack has now along with the suggestions here.
Lin
On Wed, Nov 30, 2011 at 8:35 AM, Dave KK7SS <kk7ss@frontier.com> wrote:
> I think the first item to be defined is "What is the other object made
> from?"
> Second item, at what distance?
> Or, in the words of an old panel game, "Animal, Vegetable or Mineral?"
>
> --
> Dave G KK7SS
> Richland, WA
>
> '59 Morris Minor 1000 - working on it :|
> '65 Sprite - running :)
> '76 Midget - co-owned with #4 Son :)
> '06 Honda Civic Hybrid
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