Hariono, Tholib, and Ardhion Prakoso. “Sistem Penjualan Akun Hotspot Menggunakan Sensor Koin Dan Arduino ESP8266”. Exact Papers in Compilation (EPiC) 6, no. 4 (November 11, 2024): 20-25. Accessed February 23, 2025. http://ojs.unwaha.ac.id/index.php/epic/article/view/1218.