Aqara makes more smart sensors than almost anyone else, and I find them to be consistent and stable. Here are the presence ...

This paper introduces the design, calibration, and validation of a low-cost portable sensor for the real-time measurement of dust particles within the environment. The proposed design consists of low ...

Axle-box bearing condition monitoring is important for the prognostics and health management (PHM) of high-speed trains. Temperature is an important indicator of the health of rotating machinery. It ...