Wisana, I.D.G.H., Nugraha, P.C. and Rachman, R.A. 2021. Development of a Low-Cost and Effisient ECG devices with IIR Digital Filter Design. Indonesian Journal of Electronics, Electromedical Engineering, and Medical Informatics. 3, 1 (Feb. 2021), 21-28. DOI:https://doi.org/10.35882/ijeeemi.v3i1.4.