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Minelab EQUINOX 600 Multi-Purpose Metal Detector with EQX 11" Double-D Smart Coil + PRO-FIND 35 Precision Pinpointer - Walmart.com
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Amazon.com : VIVOHOME Metal Detector Waterproof with Headphone Shovel for Adults Kids, Adjustable Length 41-52 inch, High Accuracy with a HD LCD Screen, Varied Smart Modes : Patio, Lawn & Garden
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Amazon.com : SUNPOW Metal Detector for Adults & Kids, High Accuracy Adjustable Metal Detector, Big LCD Display with Backlight, with Pinpoint & All Metal & DISC Mode, 10" IP68 Waterproof Search Coil :
![Electronic Project 40: A Metal Detector for Security Device using the principle of a tank circuit for inductive sensing and with the aid of op-amp, speaker and arduino uno — Steemit Electronic Project 40: A Metal Detector for Security Device using the principle of a tank circuit for inductive sensing and with the aid of op-amp, speaker and arduino uno — Steemit](https://steemitimages.com/640x0/https://res.cloudinary.com/hpiynhbhq/image/upload/v1521027414/wradjizpnwuk9lwycrtb.png)
Electronic Project 40: A Metal Detector for Security Device using the principle of a tank circuit for inductive sensing and with the aid of op-amp, speaker and arduino uno — Steemit
![Molecular Expressions: Electricity and Magnetism - Interactive Tutorials: How A Metal Detector Works Molecular Expressions: Electricity and Magnetism - Interactive Tutorials: How A Metal Detector Works](https://micro.magnet.fsu.edu/htmltutorials/source/electromag/detector/images/background.jpg)