Arduino multi-modal proximity alarm system with ultrasonic sensing, adaptive LED indicators, LCD display, and IR remote control. Portfolio project showcasing embedded systems and iterative development ...

The design of a “third eye for the blind,” which employs ultrasonic waves to detect surrounding obstructions and notify users with a buzzer sound or vibration, is made feasible by the collaboration of ...

Human activity recognition is an important problem in health care, ambient-assisted living, surveillance-based security, etc. and has crucial applications in smart environment. A non-invasive, ...

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