Development of an IoT-Based Smart Nurse Call Using ESP32 and MQTT to Support Smart Healthcare at Bina Sehat Hospital Jember. Journal of Electrical Power and Sustainable Energy, [S. l.], v. 1, n. 1, p. 1–8, 2026. Disponível em: https://jurnal.itps.ac.id/index.php/JEPSE/article/view/12. Acesso em: 13 jun. 2026.