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 ...

To measure wind speed and direction, most people turn the traditional cup anemometer and wind vane. Another less-known method is to use an array of ultrasonic transducers, which doesn’t need any ...

ZARAGOZA, Spain & REDWOOD CITY, Calif.--(BUSINESS WIRE)--Cooking Hacks, the open hardware division of Libelium, a wireless sensor networks platform provider for Smart Cities solutions, has released a ...