F. Babiker, S. ., Elrayah Abdel-Khair, L. . and M. Elbasheer, S. (2022) “Microcontroller Based Heart Rate Monitor using Fingertip Sensors”, University of Khartoum Engineering Journal, 1(2). Available at: https://uofkej.uofk.edu/index.php/uofkej/article/view/89 (Accessed: 29 August 2025).