Is it possible to make a metal detector in the home, there is nothing impossible idea start small and try more than once can get to the invention of the asymptotic for metal detectors in the market.
Watch this video that explains the idea
To find a treasure or to find lost metal objects, this experiment is very useful. It’s a metal detector made with simple items that you’ll have at home.
How to make a homemade metal detector
A great idea to entertain you, put your hands in action, and create a fun device for bring mystery and surprise to your walks on the beach, the countryside or wherever you want. For those who tend to drop small items, not find them then, this will also be a good solution: learn to create your own metal detector.create a metal detector on your own by using the calculator and cd and dvd.
To make a homemade metal detector you will need:
-. small size calculator
-1 Blank CD
-Headphone common (which you are comfortable)
-Electrical insulating tape
-Glue for glasses or universal
-1 9V battery
To operate the detector simply placed the headphones on your ears and move the piece near the floor or surface you want to analyze.”
How to make metal detector
Take the cable from the headphones and removes the plug or connector. In each cable you will see two smaller inside, one with a plastic coating and the other free. It separates all and peel them, and adhere the tip of one of the wires without coating on the Virgin DVD disk, by placing adhesive and insulating tape apart, that is, the tape must be on the cable and not over glue. Then takes the cable without the other part of the headset, and attach it on the blank CD, also using the adhesive and insulating Strip in the same way.
The next step is to take the other cables with the color-coated, and place tape color wire to which it adheriste to DVD, and secure it with tape to the negative pole of the battery of 9V. Then, takes color wire from the set attached to the CD, and secure it with tape to the positive pole of the battery.
Then take the common calculator and turn it on. Secure with tape over the center of the CD, on the same side where you adheriste the cable above. Now place the DVD on the calculator on (like a sandwich with disk covers) and firmly holding the entire piece with tape. Place the battery to the center of the DVD and secure it with tape, so that it cannot fall.
To operate the detector simply placed the headphones on your ears and move the workpiece near the floor or surface you want to analyze. Without metals in sight you will not hear any sound, but if you approach a metal (though be buried or hidden up to 25 centimeters of distance) you will hear static noise.
With this homemade metal detector you can entertain yourself, finding lost items and, who knows, perhaps to find some hidden treasure in your days of walk.
Without metals in sight you will not hear any sound, but if you approach a metal (though be buried or hidden up to 25 centimeters of distance) you will hear static noise.”