His concept was to move the obstacle detection out of the hands of the person. He is accomplishing this by mounting an array of ultrasonic sensors around some tennis shoes. The concept behind this ...

Obstacle detection is key to achieving this requirement. A robot must detect or “see” obstacles from a few feet to a few centimeters away to avoid collisions – and in a timely fashion. Ultrasonic ...

We’re all pretty well-acquainted with the obstacle avoiding robot. ... In the nose is an HC-SR04 ultrasonic sensor, which [Miguel] is using to perform obstacle ... ultrasonic detection is far ...

The mower has obstacle detection sensors to avoid collisions with garden furniture or toys. A child safety key restricts use to prevent accidental activation and a blade stop mechanism halts the ...