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Metal Detector Pcb Assembly

The design of the Metal Detector Pcb Assembly is based on the eddy current generated in the metal conductor when the eddy current sensor detects the coil near the metal object, which increases the energy loss in the oscillating circuit, weakens the positive feedback, and weakens the oscillation of the oscillator.

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Metal Detector Pcb Assembly

Customsized Metal Detector Pcb Assembly

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Description:

A metal detector is an electronic instrument that detects the presence of nearby metals. Metal detectors can be used to find metal inclusions hidden in objects or metal objects buried underground. They are usually made up of hand-held devices with sensor probes that can sweep across the ground or other objects.

The design of the Metal Detector Pcb Assembly is based on the eddy current generated in the metal conductor when the eddy current sensor detects the coil near the metal object, which increases the energy loss in the oscillating circuit, weakens the positive feedback, and weakens the oscillation of the oscillator. In the critical state, even the minimum energy required for the oscillation cannot be maintained and the oscillation is stopped, and the audio oscillation output to the buzzer is controlled according to the sound of the buzzer. The system consists of three parts: a high frequency oscillation circuit, a detection circuit and an audio oscillation alarm output circuit.


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