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. DOI: 10.53332/uofkej.v1i2.89. Disponível em: https://uofkej.uofk.edu/index.php/uofkej/article/view/89. Acesso em: 26 oct. 2025.