Design and Implementation of Ultrasonic Based Distance Measurement Embedded System with Temperature Compensation
Rawaz H. Abdullah

Rawaz H. Abdullah, Dept. of Communication Eng., Technical College of Engineering/ Sulaimani Polytechnic University, Sulaimani, Kurdistan Region, Iraq.
Manuscript received on June 19, 2015. | Revised Manuscript received on June 20, 2015. | Manuscript published on June 25, 2015. | PP:30-37 | Volume-3 Issue-8, June 2015. | Retrieval Number: H1008063815

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Abstract: This work presents the design and practical implementation of an embedded system which can measure temperature of the environment and uses an ultrasonic sensor to measure the distance of objects ranging from 2 cm to 400 cm. The measured temperature is compensated to find the speed of the ultrasonic wave to obtain a more accurate distance measurement. The heart of the embedded system is a low-cost, low-power, and high-performance ATmega328P microcontroller from Atmel. The results showed that, using the TMP36 for temperature compensation improves the accuracy of the designed system.
Keywords: Distance measurement, embedded system, microcontroller, temperature sensor, ultrasonic sensor.