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Patent US7649356 - Pulse induction metal detector having high ,19 Jan 2010 , Pulse induction metal detector having high energy efficiency and , which eliminates the effect of ground mineralization by making use of the....know more

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pinpoint probe for metal detecting build your ownpinpoint probe for metal detecting make your own,low cost kit and building , When searching on farmland or beaches in poor light conditions this probe will at the very least double your detecting efficiency , The 1st probes were home made devices, cobbled together by enthusiasts, , Low/high = battery getting low...know more

HomeMade-Metal-Detector - InstructablesBegin by turning the AM radio on Tune it to the high end of the AM band, but not directly on a broadcast station Adjust the volume to the maximum level so you....know more

Wireless Metal Detection and Surface Coverage Sensing for All ,11 Mar 2016 , Keywords: electromagnetic induction, metal detection, wireless , areas have been expanding because of their high efficiency and safety [2,3]...know more

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How to build a Surf PI 12 pulse induction metal detector from a DIY kit13 Jul 2012 , How to build a pulse induction metal detector from a DIY kit which , I think my only qualms with the hobby are the high prices for a capable metal detector , options for future performance enhancements and tweaks,oh yeah....know more

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AT Gold vs AT Pro Metal Detector - Detailed Comparison & Review ,15 Oct 2016 , As the name suggests the Garrett AT Gold metal detector was designed , to operate at a high frequency so as to discover gold and in addition it has a , the detector has a Ground Balance window for making the necessary tweaks , thus is efficient for gold detection in shallow freshwater rivers and lak...know more

DIY Metal Detector Circuit - ElectroSchematicsThe heart of this diy metal detector circuit is the CS209A IC The metal detector is built with one 100┬ÁH coil that has 40 mm in diameter and is made...know more

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metal detector circuit : Sensors Detectors Circuits :: NextgrThis homemade metal detector circuit will help you find objects composed of materials with relatively high magnetic permeability It is not suitable for bu...know more

Home Made BFO Metal Detector - All - InstructablesI read a couple of do it yourself metal detector write ups in the web as well as the , my calculations the highest wattage going through the smallest resistor in the....know more