The below circuit diagram shows the complete hardware wiring setup of the Arduino-based Smart Walking Stick for the Blind ...

While a well-known use of this is sonar, ultrasonic sensors can also be put to use ... A motor rotates it around a 180-degree field-of-view and an Arduino takes and records measurements during ...

[Andy] demonstrates building an ultrasonic anemometer using a cheap after-market parking distance sensor kit and an Arduino. Demo video after the break. Aside from the price, these kits have the ...