Build a metal detector
How to build a metal detector at home
See how to make a metal detector with a few simple instructions, that in addition to be instructive and very funny, allows you save yourself a lot of money and do it to your own liking, to discover all kinds of "treasures".
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To create your own box of control in a very simple way, using a frequency AM radio and tune it to a frequency as high as possible but not to receive any type of radio station.
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To mount the head that will help you to search, you can cut two circular rings of chipboard or wood. One that has the diameter of a smooth plate of cuisine and the other of a dish more deep and smaller so that you can put one inside the other. To unite both use more pieces of wood.
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With enameled wire having a thickness of a quarter of a millimeter in diameter, begins to wrap around the outer ring and inside with about ten turns to proceed then to connect it to the radio.
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It unites both the broomstick or any other suit that you are going to use to make of mast and mounted box control in your higher end and the head, which will be in charge of search for metals, at the bottom, leaving a space to be able to seize your metal detector comfortably and without nothing to prevent it from you.
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When you turn on the radio, you should hear a soft sound. If so, everything is OK and you can even connect a headset radio to get hear more clearly the changes that happen in the tones and discover where your small or large "treasures".
You have to build a metal detector that is appropriate for the place where you want to use it, metals you wish to find and of course, that fits your budget.
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