[Andy] demonstrates building an ultrasonic anemometer using a cheap after-market parking distance sensor kit ... remove the existing 8-pin microcontroller and wire in an Arduino Pro Micro and ...

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 ...

While a well-known use of this ... who uses a small ultrasonic distance sensor attached to a rotating platform. A motor rotates it around a 180-degree field-of-view and an Arduino takes and ...