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RE: Driveway sensors
- Subject: RE: Driveway sensors
- From: "Ward, David" <DAvid.Ward@xxxxxxxxxx>
- Date: Thu, 8 Jul 2004 12:51:57 +0100
Can't see why they would?
There may be fancy processing techniques that require movement, but the one
that I built years ago, and my Dad's cheapo one both detect the presence of
metal as long as it's under their search coil - both were/are simple BFO
types
http://home.howstuffworks.com/metal-detector1.htm
and from here I found this :-D http://home.clara.net/saxons/diy.htm
takes me
back.....
HTH
Dave
-----Original Message-----
From: Jim Noble [mailto:yahoo-groups@xxxxxxx]
Sent: 08 July 2004 11:57
To: ukha_d@xxxxxxx
Subject: Re: [ukha_d] Driveway sensors
Ward, David wrote:
> You could bury or mount on a wall a modified cheap metal detector
> I'm sure CPC or Maplin would have something - most are waterproof too
;-)
Don't they also require movement?
Jim
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