FAUZAN, Ahmad; SUKARDI, Sukardi. Rancang Bangun Alat Visitor Counter Berbasis NodeMCU Esp8266 dan Bot Aplikasi Telegram. JTEIN: Jurnal Teknik Elektro Indonesia, [S. l.], v. 3, n. 2, p. 334–344, 2022. DOI: 10.24036/jtein.v3i2.260. Disponível em: https://jtein.ppj.unp.ac.id/index.php/JTEIN/article/view/260. Acesso em: 23 may. 2026.