With a standard old HC-SR04 ultrasonic sensor, an audio module and a servo to drive a custom gauge needle he’s made a device which can warn people around you if they’re too close for comfort.

The Google Pixel 9 series is here, and one of the biggest upgrades it delivers is the use of a new ultrasonic fingerprint sensor, and it’s the same one used in Samsung Galaxy devices.

Sensor Sense: Eliminating ultrasonic cross talk May 10, 2007 Proximity sensors that use ultrasonic sound waves calculate distance to an object using the time it takes to receive the echo from an ...

An ultrasonic sensor mounted overhead learns the distance to the floor below. Anytime the sensor detects a change in that distance or loses the echo entirely, it signals the presence of a vehicle.

OSLO, Norway--(BUSINESS WIRE)--Sonair ADAR, the world’s first safe 3D ultrasonic sensor designed to boost safety in spaces shared by humans and robots will debut to North American audiences May ...

Qualcomm's sensor is expected to be based on Snapdragon Sense ID. Details on the Galaxy S10 have been leaking out for a while now; back in February the S10 was claimed to be using a Snapdragon 855 ...