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Hello everybody I am from China, My name is Yue Hailin I like metal detectors

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  • Hello everybody I am from China, My name is Yue Hailin I like metal detectors

    Hello everybody I am from China, My name is Yue Hailin I like metal detectors. But I just novice. I saw the BFO simple reason why I would like to make a play with hope to the more schematic so that I can have a simple metal detector Device I do not know English I can only use simple English translation of the ancient song Thank you

  • #2
    我是中国的很高兴认识大家

    大家好我是来自中国的 我叫岳海林 我很喜欢金属探测器.但是我只是初学者.我看到BFO的简单我所以想做个玩玩希望大家给些示意 图 让我能拥有个简易金属探测器 我不懂英文 我只能用古歌翻译简单的英文 谢谢大家

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    • #3
      Qiaozhi, looks like you have someone to talk to! Yue Hailin, a BFO is a simple way to start but it will not take you very far. Instead, consider a pulse induction which is also simple to build, but performs much better and has a better future.


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      • #4
        For beginners the best "CCO metal detector," he can be measured with the "IB metal detector" is much better and simpler than BFO. I think this CCO:
        Attached Files

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        • #5
          Originally posted by yhl View Post
          大家好我是来自中国的 我叫岳海林 我很喜欢金属探测器.但是我只是初学者.我看到BFO的简单我所以想做个玩玩希望大家给些示意 图 让我能拥有个简易金属探测器 我不懂英文 我只能用古歌翻译简单的英文 谢谢大家
          海林,您好!

          BFO 比 PI 不好。这个探测器最好 -》http://www.geotech1.com/cgi-bin/page...head/index.dat
          你是工程师吗?

          乔治

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          • #6
            Originally posted by maikl View Post
            For beginners the best "CCO metal detector," he can be measured with the "IB metal detector" is much better and simpler than BFO. I think this CCO:
            Long, long ago I was 14 years old and I had to learn this in school physics. Then it was called the CCO inductively coupled generator and was sponsored name Meissner. Of course, the lamps. Yes but that was long ago and in Europe. Today we have other times, Europe patents corresponding curvature of bananas ... Just me, the memory and passion for radio equipment have been.
            Best regards Chris

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            • #7
              Thank you all I had to find a pulse sensor is unparalleled ICM7555 hope Thomas has 555 more simple pulse induction metal detector circuit
              unparalleled IB metal detector circuit

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              • #8
                Matchless Metal Locator

                This project is possibly the simplest induction-balance type detector you can build. Add to that a very detailed construction article and you have an excellent beginner project. Might also be a good probe circuit.

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                • #9
                  我不是工程师,我只是做家电修理,我做我的无线数字电视微波发射机的设计

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                  • #10
                    ETI561: Simple, Sensitive Metal Detector

                    ETI561: Simple, Sensitive Metal Detector This is also very simple, but do not know how deep

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                    • #11
                      I do treasure of silver in silver through the circuit I do not know if this is better than four times the frequency of the mixing point

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                      • #12

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                        • #13
                          IB metal detector circuit

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                          • #14

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                            • #15
                              Originally posted by yhl View Post
                              these links are not clickable. try putting another way.

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