This project uses an HC-SR04 ultrasonic sensor to measure how close an object is. A buzzer and LED react depending on the distance, similar to a car parking sensor. < 10 cm → buzzer and LED stay on.

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A new category of sensing technology transforms mobile robot vision from 2D to 3D, improves safety performance and provides 50-80% cost savings compared to traditional, LiDAR-based systems and sensor ...

Abstract: Ultrasonic guided wave detection technology is one of the most effective damage identification methods in structural health monitoring (SHM), but external factors will cause errors during ...

Environmental sensing plays a key role in managing air quality, controlling pollution, ensuring factory safety, detecting hazardous gases, and supporting laboratory monitoring. To be effective, such ...