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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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 ...

OSLO, Norway, Sept. 17, 2025 – As autonomous robots enter warehouses, hospitals and public spaces, the need for safe human-machine collaboration is growing fast. That’s exactly what Sonair’s ADAR ...

Abstract: Arduino-based wearable assistive system for obstacle detection for blind navigation is an innovative wearable technology designed to improve mobility and safety for the visually impaired.

The model’s flawed responses to prompts involving Tibet, Taiwan, and Falun Gong raise red flags about the influence of state-aligned censorship on AI reliability, with experts calling for stronger ...