Huda, F., Guruh irianto, B. and A. T. P, M.P. 2021. Handheld Electrocardiogram Design . Journal of Electronics, Electromedical Engineering, and Medical Informatics. 3, 1 (Jan. 2021), 14-18. DOI:https://doi.org/10.35882/ijeeemi.v3i1.3.