Supardi, Z.A.I. and Mustamu, V.H.P. 2022. RANCANG BANGUN DIY ELEKTROKARDIOGRAF 3 - LEADS BERBASIS MIKRO KONTROLER SEBAGAI REAL TIME NON - INTERNET MONITORING: Kata Kunci: Elektrokardiograf, Lead, Bluetooth, ESP 32. Inovasi Fisika Indonesia. 11, 3 (Oct. 2022), 88–96. DOI:https://doi.org/10.26740/ifi.v11n3.p88 - 96.