Proposal of a programmable logic controller based on open hardware. ITEGAM-JETIA, [S. l.], v. 9, n. 42, p. 41–47, 2023. DOI: 10.5935/jetia.v9i42.878. Disponível em: https://itegam-jetia.org/journal/index.php/jetia/article/view/878. Acesso em: 22 oct. 2026.