Turn A Calculator Into A Metal Detector
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Video Shows You How
Published: Feb 29, 2008 • References: razorg
This thing is straight out of MacGyver! The video gives you clear, step-by-step instructions to make a working metal detector in minutes. All you need are an AM radio, a calculator, and some tape. Thanks it! It seems to work fairly well. You probably won't be doing any treasure hunting on the beach, but it could be helpful for finding a screw or nail you dropped in the grass or on one of those "hide everything" kind of carpets. Nifty!