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The Ultrasonic Ranging Sensor HC-SR04 is one of the common distance sensor for Arduino projects. It works extremely well with any Arduino Board. The basic principle of this device is that it sends a sound wave, hits an object and return back to the sensor. The time is multiplied by the speed of sound with the following computation: 343m/sec 0.0343cm/?s = [1/29.1] cm/?s approximate to give the total distance traveled by the ultrasonic beam. Which then is then divided by 2.
Simply: Distance = (Time for wave to return * Speed of sound) / 2
SPECIFCATIONS:
- The power supply i*****C
- Effective angle for computation:
This seller has been a member since: Feb. 11, 2017
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