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Ask an Expert Forum Digital PI (Pulse Induction) metal detector.
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  • analog-to-digital
  • microcontrollers
  • metal
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Digital PI (Pulse Induction) metal detector.

Former Member
Former Member over 10 years ago

I want to build a digital PI (Pulse Induction) metal detector. Which components may be the best for this? I think I'll need a fast and precise AD converter and a fast micro controller to measure the voltage decay and then compare with a normal curve without metal present. ¿Am I in the right way?

Thanks in advance!

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  • michaelkellett
    michaelkellett over 10 years ago in reply to bobalexander +1
    I think that for the OP, PI means Pulse Induction not RaspberryPi. But never mind - the board you suggest is quite nice but based on an older STM32 processor which can't convert as fast as some of the…
  • bobalexander
    bobalexander over 10 years ago in reply to michaelkellett +1
    Good point - I completely missed that! I was under the impression that Pulse Induction is not a great option as you can never discriminate out iron. Perhaps that is what the OP is wanting to detect though…
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  • michaelkellett
    0 michaelkellett over 10 years ago

    You've double posted this  - I've answered it in the Ben Heck group where I saw it first - you really shouldn't double post.

     

    MK

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  • michaelkellett
    0 michaelkellett over 10 years ago

    You've double posted this  - I've answered it in the Ben Heck group where I saw it first - you really shouldn't double post.

     

    MK

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  • Former Member
    0 Former Member over 10 years ago in reply to michaelkellett

    You are right sorry about that and thanks a lot.

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