Hatem HR, Abdalla AI, Abdulhameed Al-Rawi ZN. Design and implementation of ultrasonic radar system for distance measurements using Arduino. IJET [Internet]. 2018 Sep. 5 [cited 2024 Dec. 22];7(4):3115-8. Available from: https://sciencepubco.com/index.php/ijet/article/view/21549