KÜÇÜKDERMENCI , S. Raspberry Pi based braille keyboard design with audio output for the visually challenged. International Conference on Modern and Advanced Research, [S. l.], p. 334–339, 2023. DOI: 10.59287/icmar.1306. Disponível em: https://as-proceeding.com/index.php/icmar/article/view/1306. Acesso em: 22 jul. 2024.