Abdillah, Junindo, Iswidodo Iswidodo, and Zainal Arifin. “Perancangan Dan Simulasi Sistem Absensi Mahasiswa Berbasis Mikrokontroler RFID Dan NodeMCU ESP8266”. Radial : Jurnal Ilmiah Sains dan Rekayasa 1, no. 2 (September 30, 2023): 78–82. Accessed February 4, 2026. https://radial.e-journal.site/index.php/research/article/view/9.