small metal detector

Discussion in 'The Projects Forum' started by haha, Sep 18, 2010.

  1. haha

    Thread Starter New Member

    Sep 13, 2010
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    0
    hai, everyone,

    I need a small metal detector that can detect a small toy car... around 3cm x 3cm... the detector's coil need to be very small, around few cm, is it possible?

    I have do a research on internet, all the circuit found was too big...

    my project was just need a simple metal detector that will produce a signal when a metal object pass by...

    is it must use a coil for metal detector? got any other alternative way?
     
  2. bertus

    Administrator

    Apr 5, 2008
    15,649
    2,348
  3. patrickyeow

    New Member

    Sep 12, 2010
    1
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