Sitompul, E., Wulandari, T. and Galina, M. 2022. A Prototype of an IoT-based Production Performance and Quality Monitoring System Using NodeMCU ESP8266. Techné : Jurnal Ilmiah Elektroteknika. 21, 1 (Apr. 2022), 45–62. DOI:https://doi.org/10.31358/techne.v21i1.306.