Without any delays, here are the best Phones with Ultrasonic Fingerprint Sensors (September 2025) that make the cut: ...

A Raspberry Pi home automation project enables controlling lights, sensors, and smart devices via open-source software, turning any house into a smart home.

Abstract: In order to simplify the complexity of ultrasonic and electromagnetic wave signal detection and improve the accuracy of partial discharge detection of power equipment, a sensor design idea ...