IoT-Enabled Braille Self-Learning and Two-Way Tactile Communication System for Visually Impaired Usersabstract. International Journal of Engineering & Extended Technologies Research (IJEETR), [S. l.], v. 8, n. 2, p. 2907–2918, 2026. DOI: 10.15662/IJEETR.2026.0802285. Disponível em: https://ijeetr.com/index.php/ijeetr/article/view/707. Acesso em: 25 apr. 2026.