DAHOU, H.; MEZOUARI, A.; ZEMMOURI, A.; ELGOURI, R.; LAAMARI, H. The help system for a deaf person based on arduino and the pulse width modulation (PWM). Progress in Electrical Engineering and Applied Physics, [S. l.], v. 1, n. 3, p. 12–19, 2023. DOI: 10.5281/zenodo.10397250. Disponível em: http://p2eap.com/app/article/view/10. Acesso em: 26 feb. 2024.