“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, vol. 15, no. 2, Oct. 2026, pp. 34-45, https://doi.org/10.30862/d0ryxm73.