To supply targeting data for the launcher, an Arduino Uno uses an ultrasonic sensor pair mounted atop a servo. As the servo rotates, the returns from the ultrasonic sensor are plotted on a screen ...

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.

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 ...