THE DESIGN OF A MANUAL NUMERICAL-CONTROL CIRCUIT FOR STEPPING MOTORS. Nigerian Journal of Technology, [S. l.], v. 8, n. 1, p. 41–50, 2002. DOI: 10.4314/njt.81.382. Disponível em: https://nijotech.com/index.php/nijotech/article/view/382. Acesso em: 15 jun. 2025.