WPI's PeAR Bat uses ultrasonic echolocation like bats to navigate smoke and darkness for autonomous rescue missions ...

Researchers at Worcester Polytechnic Institute are developing tiny drones inspired by bats for search and rescue missions.

This is an Arduino-based Proximity Sensor circuit wired using the popular HC-SR04 Ultrasonic ranging module,used here for non-contact object detection purpose. The HC-SR04 module includes ultrasonic ...

Six year-old Toposens of Munich is shipping its Ultrasonic Echolocation Sensor for 3D Collision Avoidance. The industrial grade sensor development kit, called ECHO ONE DK, is based on the company’s 3D ...

While early scientists and inventors famously underestimated the value of radar, through the lens of history we can see how useful it became. Even though radar uses electromagnetic waves to detect ...

[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]’ ...