Question

Explain proximity sensors please

Answer 1

A proximity sensor is a non-contact sensor that detects the presence of an object (often referred to as the “target”) when the target enters the sensor's field.

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Answer 2

Proximity sensors detect the presence or absence of objects using electromagnetic fields, light, and sound. There are many types, each suited to specific applications and environments. Proximity sensors detect the presence or absence of objects using electromagnetic fields, light, and sound.
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