Muhammad Caesar Akbar and Mikael Angripa Saragih, “Design For Monitoring Current And Voltage In Battery Charger Using NodeMCU Esp8266 Microcontroller And The Blynk Appdi Silampari Airport Lubuk Linggau–South Sumatra”, Info Sains, vol. 14, no. 03, pp. 257–265, Jul. 2024.