HATEM, Haraa Raheem; ABDALLA, Ali I.; ABDULHAMEED AL-RAWI, Zainab Najeeb. Design and implementation of ultrasonic radar system for distance measurements using Arduino. International Journal of Engineering and Technology, [S. l.], v. 7, n. 4, p. 3115–3118, 2018. DOI: 10.14419/ijet.v7i4.21549. Disponível em: https://mail.sciencepubco.com/index.php/IJET/article/view/21549.. Acesso em: 17 aug. 2025.