Satria, Medikatrada, Abdul Haris Haris Kuspranoto, and Muhammad Ulin Nuha ABA. 2024. “DESIGN AND BUILD AN IOT-BASED OXYGEN CONCENTRATION MEASURING DEVICE (O2) MICROCONTROLLER ESP32 ON BENNETT 840 PURITAN VENTILATOR”. MEDIKA TRADA 5 (2):52-57. https://doi.org/10.59485/jtemp.v5i2.86.