Portable Braille Keyboard (Braillex): A Wireless Tactile Input Device For Visually Impaired Users. Frontiers of Multidisciplinary Research, [S. l.], v. 1, n. 3, 2026. DOI: 10.65601/. Disponível em: https://journal.srmist.edu.in/fomr/article/view/73. Acesso em: 21 jul. 2026.