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  • There you than this simple


  • #2
    Yes. It is shown EPE Bounty Treasure Hunter (160mm-240mm detects old Victorian peny) is better than the matchless Metal Locator (110mm-150mm) is the author of Thomas Scarborough. I've already told you to make the best metal detector CCO: 160mm-250mm detects old Victorian peny (author Thomas Scarborough is the same) easy to create and is not as important as the position of the coil in the picture.

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    • #3
      Thanks

      Thanks yhl for posting, and thanks to maikl for recognizing the source.

      The author suggests a couple of improvements for these designs on his blog, which could put them on par with the CCO design. But I continue to have little time to build/test circuits at the moment - perhaps in a couple of months.

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      • #4
        EPE Bounty

        http://thunting.com/smf/vlf_designs/...-t15096.0.html

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        • #5
          If you want to do EPE "Bounty" necessarily put the stabilizer 7812 (power supply battery 2 * 9V = 18V). But you will hardly achieve more than 160mm for the 25mm coin.
          Attached Files

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          • #6
            请。 CCO的你说给我的金属探测器电路PDF格式

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            • #7
              Originally posted by yhl View Post
              请。 CCO的你说给我的金属探测器电路PDF格式
              Please note: you must to put the "crystal Earpiece "and not" ordinary Earpiece "
              Attached Files

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              • #8
                How self-made crystal headphones or replaced with low-impedance

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                • #9
                  Crystal Earpiece (Piezo) you can make from: postcard to play, alarm clock, toys ...
                  Attached Files

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                  • #10
                    Thank you

                    Who JETCO Mustang circuit? PDF

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                    • #11
                      You have your own blog?

                      I have thought that the CCO circuit front to the back of the TLO71 not. With a CD4013 with for mixers,

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                      • #12
                        [报价= yhl; 112711]我认为,CCO的电路前到TLO71没有回来。与同一个混频器CD4013,[/报价]

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                        • #13
                          did someone actualy build the EPE bounty detector?

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