A Revolutionary Approach to Smart Applications Using IoT: Two-Level Authentication for Automatic Safety Door and Main Door Unlocking System using IoT and Deep Learning. International Journal of Innovative Technology and Exploring Engineering (IJITEE), [S. l.], v. 14, n. 10, p. 9–15, 2025. DOI: 10.35940/ijitee.I1139.14100925. Disponível em: https://journals.blueeyesintelligence.org/index.php/ijitee/article/view/880.. Acesso em: 8 oct. 2025.