Simple Arduino sketch that measures distance using an HC-SR04 ultrasonic sensor and prints the value to the serial monitor at 9600 baud.

"Smart Blind Stick prototype using Arduino, ultrasonic sensing, and buzzer alerts to help visually impaired users detect nearby obstacles. Lightweight PVC design, rechargeable power unit, and ...

Abstract: Radar technology has been a cornerstone of numerous applications, from aviation to meteorology, offering invaluable capabilities for object detection and tracking. Traditional radar systems, ...

Ask the publishers to restore access to 500,000+ books. An icon used to represent a menu that can be toggled by interacting with this icon. A line drawing of the Internet Archive headquarters building ...

Abstract: Ultrasonic-based structural health monitoring (SHM) allows continuous automated monitoring of structures for improved safety and reduced maintenance time and cost. Guided waves are often ...

The sendEmail () function is responsible for triggering the email alert when an object is detected. A secure Wi-Fi client is ...

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The Harvard Center for International Development (CID) is pleased to offer the Global Internship Program for undergraduate and graduate students at Harvard returning to campus in the fall. The CID ...