Try Gary Chemelec-good guy, knows his electronics/metal detectors and likes to help people. ... VLF, PIs machines and does metal detector and MD coil design work. ...
walk through metal detector
BFO Metal Detector
Need Help On Fabricating A Large Detector Coil
Can Pregnant Women Walk Through Metal Detectors
Sensors / Detectors: Metal Detectors electronic circuits
DMCIIBa in bad ground?
Bit.Rate.Baud.And.Freq .Beat.Frequency.Oscillator.Detector
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oscillator - metal detector - All About Circuits Forum
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Gary's Pulse Induction Metal Detector
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Metal Detector Project Help
Construir un detector de metales | Ikkaro
金属探测器图集 Noble or Base Metal Detectors - 〓晶体管与集成〓 - 矿石收音机论坛 ...
Guranteed working easy metal detector's circuit required?
