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Offline ripsdevalaTopic starter
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« on: May 01, 2016, 07:16:45 am »
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Hi,
Im new here, I have found a site (INDONESIA) where the vilagers found some coins and gold pieces, maybe this is an ancient village or something. Thats why I build two wrong detector, BFO all working but not on the ground, maybe i should built a better simple one, if the any sugestion i will much apreciate it.

Thanks

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« Reply #1 on: May 01, 2016, 07:46:24 am »
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The BFO is somewhat Out dated Tech but don't get me wrong.  It still has it's place.   I suggest you look into a PI detector like the Surf PI.  Simple and Works fine for how simple they are.

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« Reply #2 on: May 01, 2016, 07:51:26 am »
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Hi, do you have the link should i follow for the PI, I afraid i will do some mistake with many pi projects.  Idea

Posted on: May 01, 2016, 07:49:16 am
Quote:Posted by homefire
The BFO is somewhat Out dated Tech but don't get me wrong.  It still has it's place.   I suggest you look into a PI detector like the Surf PI.  Simple and Works fine for how simple they are.


About the BFO,is there any chance that my build is working on the geround? I have no ideas, already make faraday but nothing change.

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« Reply #3 on: May 01, 2016, 08:02:21 am »
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   Without a schematic of what you build and the How you built my hands are tied.  Just Google Surf PI.   Look in our
 Down Loads and DIY Sections.  All info is there.

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http://www.adrianandgenese.com/blogger/2012/07/13/how-to-build-a-surf-pi-1-2-pulse-induction-metal-detector-from-a-diy-kit/


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« Last Edit: May 01, 2016, 08:15:32 am by homefire »
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« Reply #4 on: May 01, 2016, 08:23:24 am »
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I see, i got it from here:

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All is working, i can detect metal on the air, but not in the geound, tiles, and wall.

Help!! No no!

Posted on: May 01, 2016, 08:18:23 am
Quote:Posted by homefire
  Without a schematic of what you build and the How you built my hands are tied.  Just Google Surf PI.   Look in our
 Down Loads and DIY Sections.  All info is there.

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http://www.adrianandgenese.com/blogger/2012/07/13/how-to-build-a-surf-pi-1-2-pulse-induction-metal-detector-from-a-diy-kit/



I hope there is pure DIY, not a surf pi 1.2 kit, Maybe I can buy the parts here in my town.

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« Reply #5 on: May 01, 2016, 08:38:45 am »
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  That looks somewhat like Chemlecs detector.  GOOD.  How did you shield the coil.  Did you leave a 0ne inch gap ?


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« Reply #6 on: May 01, 2016, 08:44:42 am »
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Yes, Already did, and create a wire from end of the foil to the ground (-) batt.
Shielding with kitchen foil, just wrap it until fit all.

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« Last Edit: May 01, 2016, 08:50:43 am by ripsdevala »
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« Reply #7 on: May 01, 2016, 08:54:27 am »
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  Sorry to say that PCB looks Nasty.  You need some building skills. 


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« Reply #8 on: May 01, 2016, 09:02:05 am »
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PCB? black one? Its the coil, i split it after glue ia dry   Cool

Posted on: May 01, 2016, 08:59:36 am
Its been a week, until its work, I dont test it on the ground, when i know i already make another one   Cheesy

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