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Re: Metal Detector
The single most important part of any metal detector is the coil assembly. A PIC is usally only used to make 'fancy' displays of the resultant signal but you can't make a silk purse from a sows ear - in other words, without a decent coil/detection system using a PIC won't add any additional advantages.
Elektor magazine, November 1981, has a good (very, very good) metal detector circuit (with pcb layout etc) if you can get a back issue - my pdf of the article runs to around 8.5Mb in size.
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Re: Metal Detector
Another good source is the BS2 Parallax forum, where is a small design called Sensitive Metal Detectors, wiring and source code are available from there, i think is easy to experiment with, porting the code as well !
http://forums.parallax.com/showthrea...144#post467144
not tried yet but soon.
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Re: Metal Detector
Went hunting for this when I saw your post and found THIS. I ordered one immediately, what a great resource.Originally Posted by kellyseye
"I have noticed that even those who assert that everything is predestined and that
we can change nothing about it still look both ways before they cross the street"
-Stephen Hawking
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