metal detectors diy kits In the category homemade metal detector - how to make a gold detector at home more articles and learn more information about metal detectors diy kits Reviews Price Specifications Features Image manuals videos Accessories All this in metal detectors for gold.
For this simple scheme, you will need the cheapest receiver and calculator. The calculator is equipped with a clock generator. This electronic device has a great ability to interfere with radio waves.
The disc box must be opened.
Attach the radio to its cover. You can use scotch tape or attach the device with screws. The main thing is not to damage the internal elements. It is worth remembering that the receiver, even the smallest, is a rather heavy device. From its fastening depends on the further operation of a homemade metal detector.
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In the same way, the calculator is attached to the second, inner side of the box. On the receiver, the range "AM" is selected. In this case, you need to choose an almost empty frequency with a minimum amount of interference and noise in the air. Set the sound of the receiver to the maximum. Next, you need to turn on the calculator. The receiver will respond to clockwork interference with a bang or noise from the speaker. If there is no noise, then you need to bring the calculator as close as possible to the receiver.
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