Prachee Sahu, Prashant Kumar, Raushan Singh, Rimjhim Mishra, Dr. Amrita Pahadia (2026) “Ultrasonic Radar: An Arduino Based Object Detection and Distance Mapping System”, International Journal of Research & Technology, 14(1), pp. 1031–1039. Available at: https://ijrt.org/j/article/view/1528 (Accessed: 24 June 2026).