Answer
Mar 19, 2025 - 02:40 AM
The best sensor for detecting motion depends on the specific application and environment. Passive Infrared (PIR) sensors are commonly used for general motion detection in indoor and outdoor settings due to their cost-effectiveness and reliability in detecting changes in infrared radiation. However, for more precise applications, such as in robotics or smart home systems, ultrasonic or microwave sensors might be preferred due to their ability to detect motion through obstacles and provide more detailed movement information.
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