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 ...

Enclosed are the ultrasonic sensor, a temperature ... of the CAT5 cable can be found an Arduino compatible board with an XBee shield and a 9V battery. Using another XBee shield and its USB adapter ...

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 ...