ABDILLAH, J.; ISWIDODO, I.; ARIFIN, Z. Perancangan dan Simulasi Sistem Absensi Mahasiswa Berbasis Mikrokontroler RFID dan NodeMCU ESP8266. Radial : Jurnal Ilmiah Sains dan Rekayasa, [S. l.], v. 1, n. 2, p. 78–82, 2023. DOI: 10.62024/radial.v1i2.9. Disponível em: https://radial.e-journal.site/index.php/research/article/view/9. Acesso em: 4 feb. 2026.