Tag Archives: metal detector

BFO Metal Detector – Student Project

(* BFO: “Beat Frequency Oscillator” a technical term describing the most common operating method used by metal detectors.) Here are the technical details of the metal detector our students made during the winter vacation. Continue reading at Kids’ Resource Center…… … Continue reading

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Winter 2012 Handcraft Classes

A great activity that will get kids out of the house during vacations (and away from computer games) is hunting for “treasure” with a metal detector. This winter, after some R&D work I finally worked out a design that would … Continue reading

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