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which schematic does this circuit belong to?

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  • which schematic does this circuit belong to?

    Which circuit does the pcb shown in the picture belong to? Thank you in advance for your help.

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  • #2
    what is a designation of MOSFET in TO-220?

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    • #3
      Hi selim
      That is sbg_pid
      Sasho"s metal detector

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      • #4

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        • #5
          i started this in the past but never ended it, seems noone cares of this project

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          • #6
            Click image for larger version

Name:	metal55.jpg
Views:	1
Size:	60.6 KB
ID:	361996I also found a circuit that my friends need to solve.The original article called it a metal detector hand.But I only saw the schematics.

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            • #7
              This PCB schematicClick image for larger version

Name:	SBG-PID corr.jpg
Views:	1
Size:	694.2 KB
ID:	361997

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