How To Measure Distance Between Two Ultrasonic Sensors

Ultrasonic sensor (HC-SR04) is commonly used to find the distance of an object from one particular point. It has been fairly easy to do this with the Arduino and the code is also pretty simple. But in this article we are going to try something different with these popular HC-SR04 sensors. We will try calculating the distance between two Ultrasonic sensors that is, we will make one sensor to act as transmitt ...

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