Long Range Deep Gold Detector Circuit Diagram. Metal detector coil operates at a frequency of 3 khz. Then the radio is tuned so that there is no sound from the.
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Metal detector circuit diagram. Gold metal detector circuit. Then the radio is tuned so that there is no sound from the.
Metal detector coil operates at a frequency of 3 khz.
A distinctive feature of this device is the low operating frequency. The circuit capable to sense gold or metal or coins from a distance of about 20cm depending on the sie of the object to detect. Between amateur radio using designs of special interests that help in detecting metal objects hidden in the ground. A distinctive feature of this device is the low operating frequency.
