PATMASARI, Raditiana et al. DESIGN AND IMPLEMENTATION OF LEARNING TOOLS TO READ THE BRAILLE LETTERS BASED ON VOICE PROCESSING AND ARDUINO USING MEL FREQUENCY CEPSTRAL COEFFICIENT AND K-NEAREST NEIGHBOR METHOD. JMECS (Journal of Measurements, Electronics, Communications, and Systems), [S.l.], v. 6, n. 1, p. 28-33, june 2020. ISSN 2477-7986. Available at: <//journals.telkomuniversity.ac.id/jmecs/article/view/2019>. Date accessed: 05 may 2024. doi: https://doi.org/10.25124/jmecs.v6i1.2019.