[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]’ ...

The company's sensor uses sonar and echos to give robots more information about their surrounding environment.

Update March 4: The first phones with ultrasonic in-display fingerprint sensors, the Samsung Galaxy S10 and S10 Plus, are now on sale. Original story: It’s day one of Qualcomm’s annual Snapdragon Tech ...