Raka Fazah Fithra, and Aria Bintang. “Design of the HC-SR04 Ultrasonic Sensor As a Sensor Arduino Based Car Parking”. Journal of Artificial Intelligence and Engineering Applications (JAIEA), vol. 5, no. 1, Oct. 2025, pp. 165-9, doi:10.59934/jaiea.v5i1.1252.