Most often ultrasonic transducers are used for distance measurements, and in the DIY world, usually as a way for robots to detect obstacles. But for a weekend project, [Vinod.S] took the ...

For [Jianjia Ma]’s QingStation, he decided to build another type of wind sensor: An ultrasonic anemometer. Ultrasonic anemometers have no moving parts but come at the cost of significantly more ...

Ultrasonic transducers send and receive waves for many types of sensing. They convert energy into high frequency sound waves in the ultrasonic range. These sound waves are then focused on a target and ...

Want better audio from your TV? From our lab to your living room, these are the best soundbars we've tested. I’ve been PCMag’s home entertainment expert for over 10 years, covering both TVs ...

The sturdy YKK zippers are also surrounded by 210D nylon bonded thread with bartack reinforcement to help seal out rain, snow, and dampness to keep your survival supplies dry in any kind of weather.

Sep. 30, 2024 — A new hand-held scanner can generate highly detailed 3D photoacoustic images in just seconds, paving the way for their use in a clinical setting for the first time and offering ...

Why you can trust What Hi-Fi? Our expert team reviews products in dedicated test rooms, to help you make the best choice for your budget. Find out more about how we test. But Sony has replaced it, and ...