DESIGN OF A LOW-COST PORTABLE WIRELESS ECG DEVICE. SJ Engineering Africa, [S. l.], v. 1, n. 1, p. 15, 2024. DOI: 10.51168/rc3va674. Disponível em: https://engineering.sjpublisher.org/index.php/eng/article/view/6. Acesso em: 15 apr. 2026.