RAY, Rishab; INDUPURU, Sushant. Ultrasonic Obstacle Detection Device. Smart Wearable Technology, [S. l.], v. 2, p. A23, 2026. DOI: 10.47852/bonviewSWT62029511. Disponível em: https://ojs.bonviewpress.com/index.php/SWT/article/view/9511. Acesso em: 9 nov. 2026.