HALL-EFFECT SENSOR BASED NON-CONTACT AC MOTOR SPEED MONITORING AND DISPLAY SYSTEM WITH HIGH AND LOW SPEED ALERTS. JournalNX - A Multidisciplinary Peer Reviewed Journal, [S. l.], v. 12, n. 3, p. 46–49, 2026. DOI: 10.26662/n9xsbr39. Disponível em: https://repo.journalnx.com/index.php/nx/article/view/5696. Acesso em: 20 apr. 2026.