Schematic of a self-powered wearable vibration sensor developed by the research team of Professor Kilwon Cho at POSTECH. (IMAGE)

Pohang University of Science & Technology (POSTECH)

Schematic of a self-powered wearable vibration sensor developed by the research team of Professor Kilwon Cho at POSTECH.

Caption

The sensor employs a piezoelectric material as the vibration diaphragm, enabling operation without an external power supply. The circular diaphragm is supported by four interlocking, star-shaped support layers that allow free airflow, facilitating hyperpacked sensor integration for accurate detection of even the faintest vibrations.

Credit

POSTECH

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