ROLIE, Amir; YAACOB, Megat. Traffic Light Notification System For Detecting The Emergency Vehicle Using Arduino. Progress in Engineering Application and Technology, [S. l.], v. 3, n. 2, p. 383–390, 2022. Disponível em: https://publisher.uthm.edu.my/periodicals/index.php/peat/article/view/6401. Acesso em: 8 apr. 2026.