Warning: file_get_contents(https://ojs.journalbusiness.my/ojs.php): failed to open stream: HTTP request failed! HTTP/1.1 404 Not Found in /var/www/ojs.unud.ac.id_backup/lib/pkp/includes/functions.inc.php on line 4 PADMA DIANA, I Putu Agus; PUTU RAKA AGUNG, I Gusti Agung; RAHARDJO, Pratolo. PERANCANGAN MODUL PEMBELAJARAN HURUF BRAILLE BERBASIS MIKROKONTROLER UNTUK MEMBANTU PROSES BELAJAR DISABILITAS NETRA. Jurnal SPEKTRUM, [S.l.], v. 5, n. 1, p. 5-12, june 2018. ISSN 2684-9186. Available at: <https://ojs.unud.ac.id/index.php/spektrum/article/view/40196>. Date accessed: 28 aug. 2026. doi: https://doi.org/10.24843/SPEKTRUM.2018.v05.i01.p03.