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  • thanks Mr wilson

    why the coil has three wire
    and how it connect

    Comment


    • Hello volcano, coil two wires, the third to the cable shield.
      I used a cable with two conductors and mesh.
      Cable usado em mic. You can use the RG58 cable with one conductor and the mesh is correct.

      Comment


      • Hi again
        Just asking if anyone can help me to find out what is the cause of the problem i posted below, about my Second Barracuda project.
        Regards
        Nelson



        Originally posted by nelson View Post
        Hi
        I have build Barracuda from silverdog and after i play with it a few seconds, the detector starts to make an intermitent beep beep beep every two or three seconds.
        I rechecked components placement and values and this are correct too
        Battery is fully charged and coil is the correct one. Any ideas of what could be wrong?

        In advance many thanks

        Nelson

        Comment


        • Hi nelson.
          This topic has been well "developed" (25-page), there was talk of possible failures and their removal. Maybe you have something set wrong, take photos PCB in a better resolution to see...

          Comment


          • Hi nelson
            - hard to find out the mistake, but can from you direction....
            Maybe,,,,,,
            -first The work of re solder with a random suspect.
            -read reply #557,575..May useful.
            -test 1 +5v.-5v
            -test 2 u3 reply #556.

            Step by step you will.
            best time
            j.
            Attached Files

            Comment


            • So I'm going to do the same adjustments made ​​by Mr. Wilson
              I think that his project is good
              Last edited by Qiaozhi; 08-11-2012, 10:15 AM. Reason: Reduced size of white space at end of post.

              Comment


              • Hello Nelson, my Barracuda also has beep beep when in research, also rode a surf and the same thing happens, falços are alarms that hinder use.
                One way to reduce this is to mitigate the adjustment "Theshold", but this measure reduces the depth of capture of the target.
                I think the problem is the construction of the coil, it picks up interference causing false peeps.
                I found some pictures on the net this coil, it is constructed with a spiral twist, someone has built this one? This twisting should be to reduce external interference and the noise canceling.
                Attached Files

                Comment


                • Qiaozhi Hello, I requested the removal of post # 589 because I have removed the video for reasons particular, I think it's bad to have the link and not have the video frustando our friends in the forum.
                  sorry
                  Thank you.

                  Comment


                  • hello wilson

                    this coil is used by yhl for surf pi pro -he sais it works really good

                    here last pic of my baracuda
                    Click image for larger version

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                    regards

                    Comment


                    • Bernte_one Hello, this coil uses some kind of shield?
                      Are you using a PIC in the electronic circuit of the Barracuda?

                      Comment


                      • hello wilson

                        no pic used i only use the word pic for a short version of the word picture

                        coil is not shielded i think its not necessary, it has good sense

                        but shielding coil can bring better performace on small items and shorter delay times


                        regards bernd

                        Comment


                        • OK Bernte_one, thank you!

                          Comment


                          • Can someone pose a picture of the silverdog kit with the 3 omitted component locations shown? Q5, R25 and R37 . Thanks

                            Comment


                            • s

                              Hi grizzly
                              see
                              best time
                              j.
                              Attached Files

                              Comment


                              • Thanks

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