AMITH S BHARADWAJ; GANAVI J.; DR. R. RAJKUMAR. SMART BLIND STICK FOR DETECTION AND AVOIDANCE OF OBSTACLE. International Journal of Innovations in Engineering Research and Technology, Maharashatra, India, v. 8, n. 09, p. 66–71, 2021. DOI: 10.17605/OSF.IO/YP7DH. Disponível em: https://repo.ijiert.org/index.php/ijiert/article/view/2870. Acesso em: 25 aug. 2025.