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Metal Detector
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Simple metal detector 1 transistor tip41 from k157ya2 Watch Video - HiFiMov.co
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Simple Metal Detector Circuit
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Radio / Catalogtree 5.0
Simple Metal Detector Circuit
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BFO metal detector with PIC16F684
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How to Make a Basic Metal Detector – SurvivalKit.com
Simple but powerful metal detector - EEWeb
