The audio component centers around the SS8550 PNP transistor (Q1) which serves as a driver for the passive buzzer (BZ1). This ...

The measurement of water fraction in the oil–water two-phase flow is important for the processing control of oil production. In this article, a coil antenna-based high-sensitivity inductive sensor is ...

The SPAD-based Light Detection and Ranging (LiDAR) sensor [1–3] has found widespread applications across various fields, including consumer electronics, surveillance, and autonomous driving [4].