The new system relies heavily on passive acoustics—technology that simply listens, rather than sending out signals of its own such as sonar pings.

A Hall-effect sensor is a transducer that converts a magnetic field directly into a usable electrical voltage. It enables ...

Abstract: This study presents a wireless, integrated, and portable monitoring system for chronic obstructive pulmonary disease (COPD), featuring a highly sensitive and wide-dynamic range MEMS-based ...