RENDI IHWANDA; ACHMAD FAUZI; MILLI ALFHI SYARI. Design of Physical Security System for Server Room Using Esp32-Cam and Ultrasonic Sensor with Automatic Alarm when Motion Detection is Detected (Case Study: Diskominfo Langkat District). Journal of Artificial Intelligence and Engineering Applications (JAIEA), [S. l.], v. 5, n. 3, p. 4938–4944, 2026. DOI: 10.59934/jaiea.v5i3.2581. Disponível em: https://mail.ioinformatic.org/index.php/JAIEA/article/view/2581. Acesso em: 17 jul. 2026.