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Metal Detector Projects |
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Frequency-shift Detectors |
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Basic BFO Detector (Rachel and Steve Hageman, EDN) |
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Build the Frisker (William Sheets & Rudolf Graf, Poptronics) BFO in a security wand |
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Build a Metal Locator (Robert Kreiger, Popular Electronics) BFO using JFETs |
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ETI561: Simple, Sensitive Metal Detector (Phil Wait, ETI) BFO with digital reference oscillator |
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Metal Detector Circuits (misc) (Charles Rakes, Popular Electronics) Three circuits from the Circuit Circus column |
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Metal Detector Circuits I & II (Charles Rakes, Poptronics) |
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Metal Detectors (Gavin Cheeseman, Electronics and Beyond) |
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PLL Detector (Kamil Kraus, Electronics World) |
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The Revealer (A.J. Lowe, ETI) |
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Induction Balance Detectors |
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Buccaneer IB Detector (Andy Flind, Everyday Electronics) |
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Build an Induction Balance Metal Locator (John Clarke, Silicon Chip) Basic IB |
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Coinshooter IB Detector (William Lahr, Popular Electronics) |
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Deep-Seeking Metal Locator (Phil Wait & Roger Harrison, ETI) - Two-box locator |
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ETI549 (ETI) Basic IB Detector |
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ETI549 (Aus) (ETI, Australian version) Basic IB Detector |
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ETI1500 (ETI) Advanced VLF/TR-Disc Detector, similar features to the Magnum |
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Houndog IB Detector (Leslie Huggard, Elementary Electronics) - Very simple IB design using positive feedback |
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IB Detector (Andrei Chtchedrine) |
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Magnum IB Detector (Andy Flind, Practical Electronics) - The Magnum has a VLF all-metal mode and a TR-Disc mode and is one of the more advanced IB projects. |
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Matchless Metal Locator (Thomas Scarborough, Silicon Chip) - World's simplest (?) IB design |
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Phaser TR Detector (Practical Electronics) |
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Shadow IB Detector (ETI) |
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Two-box IB Detector Outdated design |
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Pulse Induction Detectors |
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Corbyn PI (J.A. Corbyn, Wireless World) |
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EE Treasure Hunter (Mark Stuart, Everyday Electronics) |
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Gary's Pulse Induction Metal Detector (from Gary's Chemelec web site) |
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GoldPic PI (Trevor Hill) |
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Hammerhead Carl Moreland |
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Microcontroller PI Treasure Hunter (Mark Stuart, EPE) |
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Proscan PI (ProScan) |
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Pulsdetektor This is a German web site that has several PI projects, and a discussion forum. No English, but the schematics are easy to figure out. |
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Sandbanks PI (P.J. Wales, Practical Wireless) |
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Twin Loop Treasure Seeker (Robert & David Crone, ETI) |
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Misc |
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Coil Winder - How to make a device that will wind coils from 3 inches to 24 inches in diameter. |
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Construction of Coplanar Search Coils - An easy method of making coplanar-concentric search coils. |
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Detector Probe by Dan Carey (from Dan Clark's home page) |
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Detector Probe by Dan Clark (from his home page) |
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Making a Fast Pulse Induction Mono Coil - An easy method for making fast PI search coils. |
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