Technical tutorial / white paper Primary Authors: George Overton (Geotech) and Carl Moreland (Geotech/forums) Common Reference: “Inside the Metal Detector” (often found as a PDF on Geotech’s website or related forums)
Do you have an (soldering, reading schematics)?
Open your browser, navigate to the Geotech forums, and download the PDF. Then, order a 555 timer, an LM358, and 100 feet of 26 AWG wire. Your first metal detector is waiting to be built.
: Readers can build specific tools such as an off-resonance pinpointer, a GEB-discriminator, and microprocessor-controlled detectors. Target Response