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Magnetic sensor circuit diagrams
November 10, 2010
This lovely circuit is a real gem! Easy to assemble and more sensitive than many commercial devices available. [more]
October 23, 2010
This basic oscillator will detect the Earth magnetic field. The ferrite rod and coil are taken from an old Medium Wave receiver and a small magnet is glued at one end. [more]
June 22, 2010
This tester is designed to locate stray electromagnetic (EM) fields. [more]
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