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Smart Distance Measurement Device Using Ultra...

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Smart Distance Measurement Device Using Ultra...

Smart Distance Measurement Device Using Ultrasonic Sensors

Author Name : Sagun Rungta, Pushpendra Tiwari, Varun Bhandari, Ms. Priyanka Sharma

ABSTRACT: Distance measurement plays a vital role in engineering, science, business. The distance is always measured between two points. Generally distance measurement is possible only by making contact with the target whose distance is to be measured, but this paper discusses the measurement of distance without making contact with the target. This is done by generating 40 kHz ultrasonic waves using ultrasonic transducers. Here the distance is calculated on the basis on time taken by the pulse generated by the ultrasonic transducer to travel to the target and return as reflected echo. This device also makes the use of microcontroller for calculating the distance and displaying it on a seven segment display. The distance up to 2.5m is calculated in air medium at ambient temperature