F. BABIKER, Sharief; ELRAYAH ABDEL-KHAIR, Liena; M. ELBASHEER, Samah. Microcontroller Based Heart Rate Monitor using Fingertip Sensors. University of Khartoum Engineering Journal, [S. l.], v. 1, n. 2, 2022. Disponível em: https://uofkej.uofk.edu/index.php/uofkej/article/view/89. Acesso em: 29 aug. 2025.