Ring is kicking off 2026 with some huge announcements, including a new line-up of smart home sensors, switches, monitors and ...

Oura Ring 4 review: This smart ring is a great sleep tracker, but not a great activity tracker ...

Abstract: In this letter, a vision-based high-resolution pressure array sensor with sensitivity enhanced by using visual light ring was proposed. The sensor consists of a transparent flexible layer ...

Abstract: Traditional absolute angular displacement sensors usually cannot meet the requirements of high measurement accuracy, low environmental sensitivity, and operation in small space at the same ...