brief introduction： Motion sensor: device capable of detecting the motion of a person or object.In most applications, these sensors are primarily used for specific"Vision & quot;The area detects human activity.As a device capable of converting movement into electrical signals, the sensor either emits stimuli and monitors any changes reflected back, or picks up signals from the moving object itself.Some motion sensors will alert when a person or other object intrudes and disrupts the normal state, while

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