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Homeby Witness Moecki
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RE: Electronic Project 40: A Metal Detector for Security Device using the principle of a tank circuit for inductive sensing and with the aid of op-amp, speaker and arduino uno

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rfece143 (58)in #utopian-io • 7 years ago

thanks @portugalcoin

7 years ago in #utopian-io by rfece143 (58)
$0.00
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