[Klaus] wanted some sort of aid for parking his car, and after running across a $4 ultrasonic sensor, decided to build his own speaking distance sensor (.de, Google Translation). Inside [Klaus ...

MEMS (micro-electromechanical systems ... the project manager at Fraunhofer. But the ultrasonic sensor can do even more. It is so accurate and precise that it even registers when molecules ...

The ultrasonic technology enables 4-in-1 combined sensor operation. The instrument is suitable in binary gases for medical ventilators, assisting in the global pandemic that has resulted from the ...

[Andy] demonstrates building an ultrasonic anemometer using a cheap after-market parking distance sensor kit and an Arduino ... and wire in an Arduino Pro Micro and a few passives to take control ...