FREE CIRCUIT DIAGRAMS 4U: Mettle Detector circuit Diagram

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Sunday, December 27, 2009

Mettle Detector circuit Diagram

This is a mettle detector circuit diagram.We have used Ic4093 for this circuit.This circuit needs a a Faraday shield, which is connected to 0V.To make this one wrap a tin foil around the coil.and connect to 0v.Then you can use this circuit for find metal.Tune your mw radio until whistle sound comes.

Note
# This circuit operates with 12V power supply
# IC1d pin 11 needs to be attached to a MW radio aerial, or should be wrapped around the radio
# The prototype used 50 turns of 22 awg/30 swg (0.315 mm) enamelled copper wire, wound on a 4.7"/120 mm former. This was then wrapped in insulation tape.