The HC-SR04 is a very inexpensive ultrasonic range sensor. He is primarily in robotics and autonomous vehicles in use, being possible to use the sensor for example for obstacle detection, but also level indicators or motion detection are possible with this sensor.
Specifications:
- Supply voltage 5V
- Measuring distance 20mm-4000mm
- up to 50 measurements per second
- Arduino compatible
Projects with the HC-SR04 Ultrasonic range sensor:
The HC-SR04 ultrasonic distance sensor and an Arduino
Components:
eBay: | HC-SR04 |
Amazon: | HC-SR04 |
Good?