DESIGN AND IMPLEMENTATION OF MICROCONTROLLER – BASED DIGITAL DEVICE FOR DIRECT DISTANCE MEASUREMENT. The Transactions of the Nigerian Association of Mathematical Physics, [S. l.], v. 18, p. 173–178, 2022. Disponível em: https://nampjournals.org.ng/index.php/tnamp/article/view/183.. Acesso em: 6 apr. 2025.