Designing a Lecture Room Monitor System with an Android Application Based on the Chip’s ESP8266. ITEJ (Information Technology Engineering Journals), [S. l.], v. 5, n. 2, p. 80–87, 2020. DOI: 10.24235/itej.v5i2.43. Disponível em: https://itej.uinssc.ac.id/index.php/itej/article/view/43. Acesso em: 10 mar. 2026.