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  • Surf PI

    Hello,

    I'm making my first detector, a surf pi. I took the pcb from pcbway. I am a total beginner in electronics.
    I have a problem with my R25 resistor, it doesn't seem to be connected to anything...
    I also have holes where nothing is indicated, do I need to make bridges? Where do I connect the coil?​

  • #2
    This is not the latest SurfPI PCB Version 1.2 of the long board. And where is the schematic that belongs to this particular PCB?

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    • #3
      Near the unsoldered mosfet there you put big resistor 390R that is damping resistor, usually in parallel with the coil

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      • #4
        My pcb is this : https://www.pcbway.com/project/share..._detector.html

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