In his write-up, [Mike] started by listing all the different sensors he had considered to measure the oil level and finally opted for an ultrasonic sensor. In his opinion, this kind of sensor is ...

Ultrasonic fingerprint sensors are often considered the best biometric solution on a technical level. They can be used with a wet finger, are said to be both more accurate and faster than optical ...

[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 ...

This increases the level of security ... fingerprint-scanning technology to enter the smartphone space is the ultrasonic sensor. It was first announced inside 2016’s Le Max Pro smartphone ...