, S. R. S. S. S. K. A. A. S. P. C. G. V. Arduino based Real Time Clock with Ringing of Bell and National Anthem. International Journal on Recent and Innovation Trends in Computing and Communication, [S. l.], v. 6, n. 6, p. 33–35, 2018. DOI: 10.17762/ijritcc.v6i6.1627. Disponível em: https://ijritcc.org/index.php/ijritcc/article/view/1627. Acesso em: 28 jan. 2022.