Metal detector circuit diagrams

Metal Detector

A single chip metal detecor with a range of a few inches. This is useful for decting nails or screws in walls and floors, or for locating buried mains cable.

Beat Balance Metal Detector

A Beat Balance Metal Detector made from discrete components.

Coil Coupled Operation Metal Detector

A Coil Coupled Operation Metal Detector made from readily obtainable components and using an ordinary medium receiver as a detector.

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