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 ...

What’s the radar enthusiast to do? While it’s not radar, subbing in ultrasonic sensors is how [Dzl] built this sonar imaging system using a lot of radar principles. Initial experiments ...

The latest fingerprint-scanning technology to enter the smartphone space is the ultrasonic sensor. It was first announced inside 2016’s Le Max Pro smartphone but it has now become a staple ...