Smart Line Follower Robot Using IoT System. International Journal of Engineering Research and Science & Technology, [S. l.], v. 22, n. 2, p. 2597–2601, 2026. DOI: 10.62643/ijerst.v22i2.2837. Disponível em: https://ijerst.org/index.php/ijerst/article/view/2837. Acesso em: 8 jun. 2026.