Abstract: A novel extrinsic Fabry–Perot interferometric (EFPI) ultrasonic sensor is developed that can detect ultrasonic signals of partial discharge (PD) in high-voltage electrical equipment under ...

Abstract: This paper presents an ultra-low-power, widedynamic-range interface circuit for capacitive and resistive sensors. The circuit is implemented as a switched-capacitor circuit using ...

The Ting Smart Sensor quietly monitors your home wiring for potential hazards. Here's how it fared in my house.