Development of Heart Rate and Oxygen Saturation Measurement Device using MAX30100 Sensor based on Internet of Things (IoT) for Monitoring Fitness. Journal of Holistic Medical Technologies (JHMT), [S. l.], v. 2, n. 1, p. 1–9, 2025. Disponível em: https://journal.innoscientia.org/index.php/jhmt/article/view/228.. Acesso em: 12 feb. 2026.