Metal Detector Sensor With Speaker & TTL OUTPUT
- Operating voltage - 9v
- Digital output - 5v
- Inbuilt speaker
- Detecting range - (1-10)cm depends on metal you are detecting.
A metal detector is an electronic instrument which detects the presence of metal nearby. Metal detectors are useful for finding metal inclusions hidden within objects, or metal objects buried underground. They often consist of a handheld unit with a sensor probe which can be swept over the ground or other objects.
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