Abstract: We present the nonlinearity of Aluminum Nitride (AlN)-based Piezoelectric Micromachined Ultrasonic Transducer (PMUT) utilizing Laser Doppler Vibrometer (LDV) technique. The PMUT working at ...

The UFM-02 flow-sensor module from ScioSense, which enables multi-year operation in battery-powered industrial and consumer applications, includes the sensor board and spool piece. It offers a fast ...

Beyond basic object detection, ultrasonic transducers are used for non-invasive, non-contact measurement of liquid and gas flow rates (velocity). For these applications, the transducers operate at ...

The Nissan Cube, one of the most bizarre vehicles to ever grace American roads, is now catching the eye of safety regulators, and for all the wrong reasons. After an airbag module detached during a ...

The libary only support the HC SR04 moduel with a 2 bits control interface. It uses the esp_driver_gpio component and esp_timer component.

USound’s latest MEMS-based Ready-to-Deploy Ultrasonic Module will be showcased at the upcoming Consumer Electronics Show (CES) in Las Vegas, Nevada. “This ultrasonic module highlights the versatility ...

Say goodbye to earbuds that break down and create fuzz. New ultrasonic audio chip could lead to digital headphones with better noise-cancelling and spatial audio. When you purchase through links on ...

The device incorporates a 12-volt rechargeable lithium battery, a printed circuit board and a titanium ultrasonic transducer, the latter of which is connected to a 125-mm (4.9-in) sharpened stainless ...

If you have a pair of in-ear headphones, there’s a good chance they're using a technology that’s several decades old. Despite attempts to introduce different, exotic-sounding systems like planar ...