Interface ultrasonic sensor with arduino

In this tutorial, we will learn how to interface Ultrasonic sensor with arduino to measure distance and show output measured by ultrasonic sensor to the lcd. Ultrasonic sensor generate high frequency sound waves and evaluate the echo signal received back to echo pin of the sensor.

 Materials required

Arduino uno
Power supply
LCD 16×2
HC-SR04  (Ultrasonic sensor module)

Circuit arrangement

Interface ultrasonic sensor

 

Code:

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