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Anyone Built A Whites Pulse Using This Schematic?

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  • #1

    Anyone Built A Whites Pulse Using This Schematic?

    Anyone ever made a pcb design to go with this schematic?......
    Surfmaster PI Metal Detector Schematic Diagram
    http://www.hobby-hour.com/electronics/s/surfmaster-pi-metal-detector.php
    Schematic diagram of White's Surfmaster PI metal detector - a good quality, simple PI (Pulse Induction) design with an affordable price. Detects all metallic objects with unbelievable depth and sensitivity, on the hardest-to-hunt black sand beaches and in wet salt.

    Has anyone built this?
    Vikki(uk)
    Tags: None
  • #2
    OK i found some more info.....i should do a better search first.....
    Thanks
    Vikki

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    • #3
      Originally posted by vikki View Post
      Anyone ever made a pcb design to go with this schematic?......
      Surfmaster PI Metal Detector Schematic Diagram
      http://www.hobby-hour.com/electronics/s/surfmaster-pi-metal-detector.php
      Schematic diagram of White's Surfmaster PI metal detector - a good quality, simple PI (Pulse Induction) design with an affordable price. Detects all metallic objects with unbelievable depth and sensitivity, on the hardest-to-hunt black sand beaches and in wet salt.

      Has anyone built this?
      Vikki(uk)
      Hi!

      Here: http://www.geotech1.com/forums/showthread.php?t=13810

      I made it with ApBerg's version (long PCB) and BLACK version both
      works very well.
      For coil you can try 0.5mm wire and inductance arround 140uH
      Resistance max. value = 2R.
      Believe me... it's a simple but very good detector which I use usually
      on beach.

      Regards
      DIRCEU

      Comment

      • #4
        DONT FORGET THE CAP MOD FROM PIN 5 ON THE 555 TO GROUND

        Comment

        • #5
          O.K. Thanks......
          Going to take a stab at building this one, did anyone have any pcb's made up for this one, before i dig the old light box out of the loft. Is ferric chloride still the choice for etching boards? For the people who made there own board, which layout did you use(i'd do with a square type board, not long type) oh not surface mount as i have 200 watt soldering iron
          Vikki(uk)

          Comment

          • #6
            Originally posted by vikki View Post
            Anyone ever made a pcb design to go with this schematic?......
            Surfmaster PI Metal Detector Schematic Diagram
            http://www.hobby-hour.com/electronics/s/surfmaster-pi-metal-detector.php
            Schematic diagram of White's Surfmaster PI metal detector - a good quality, simple PI (Pulse Induction) design with an affordable price. Detects all metallic objects with unbelievable depth and sensitivity, on the hardest-to-hunt black sand beaches and in wet salt.

            Has anyone built this?
            Vikki(uk)
            ALL schematics of metal detectors you see and will find in webnet have been taken ONLY FROM GEOTECH

            nothing new in your link.

            Comment

            • #7
              Oh o.k.
              Vikki.

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