Development of a Smart Child Safety Warning System in Vehicles Using ESP32-CAM Based on IoT. Journal of STEM and Education, [S. l.], v. 6, n. 2, p. 49–55, 2026. Disponível em: https://journalstem.net/ojs/index.php/pkb/article/view/158.. Acesso em: 9 nov. 2026.