YUDHA, F. S.; YULKIFLI, Y.; ASRIZAL, A.; DARVINA, Y. Design of a Free Fall Motion Experiment Using E18-D80NK Proximity and HC-SR04 Ultrasonic Sensors: An IoT-Based Approach. Journal of Experimental and Applied Physics, [S. l.], v. 2, n. 4, 2024. DOI: 10.24036/jeap.v2i4.76. Disponível em: https://jeap.ppj.unp.ac.id/index.php/jeap/article/view/76. Acesso em: 15 jan. 2025.