Well I think it's close to what were my initial thoughts, but how it can be
done practically?

-----Original Message-----
From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu]On Behalf
Of Charles Rogers
Sent: Saturday, July 21, 2007 3:23 PM
To: Microcontroller discussion list - Public.
Subject: Re: [EE] Determine exact location of a small thing inside the
wall,how?



----- Original Message -----
Subject: [EE] Determine exact location of a small thing inside the wall,
how?


. I need a
(simple, cheap) device to determine where exactly in the wall the head of a
.

Arkady



Maby a TDR (Time Domaine Reflectometer) might help.
I think there are some external circuits for O-scopes that
work reasonably well.

CR

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