Emf-detector-homemade


easy to build...!..watch also "EMF Detector homemade AC/DC Version and EMF Detector homemade  Part 2 ..Part 2.1 ..Part 3 ..etc.." if You want further information about this project ...!.. ..the  antenna is 4 inch (100 millimeter) long  simple circuit. fin

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dc-amp 01:16