“Design and Implementation of an Arduino Based Visitor Counting and Capacity Control System Using US-015 Sensor: Rancang Bangun Sistem Penghitung Dan Pengendali Kapasitas Pengunjung Berbasis Arduino Uno Dan Sensor US-015”. JISTECH: Journal of Information Science and Technology 15, no. 2 (October 31, 2026): 34–45. Accessed November 12, 2026. http://jistech.unipa.ac.id/index.php/istech/article/view/1141.