Arduino Based Pulse Induction Detector - LC-Trap

While looking for further ideas for a simple Ardino Pulse Induction metal detector with only one supply voltage I came across the homepage of Teemo:
He created a simple Pulse Induction detector using the LC-Trap principle. Similar circuits were posted here on Instructable by TechKiwiGadgets. Exept that the Teemo circuit uses the internal comparators of the a PIC microcontroller, thus needing less external components
So I was challenged to use the Arduino instead of a PIC-Controller for this schematic and look how far I can get.”


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