DEVYA; SHIB SANKAR DAS. Design and Implementation of a Low-Cost, High-Density IIoT Gateway for Smart Factory Monitoring Using ESP32. International Journal of Innovations in Science, Engineering And Management, [S. l.], v. 5, n. 2, p. 364–375, 2026. DOI: 10.69968/ijisem.2026v5i2364-375. Disponível em: https://ijisem.com/journal/index.php/ijisem/article/view/571. Acesso em: 2 jun. 2026.