Kusuma, Mohan Henry, and Banu Santoso. 2025. “A Comparative Study Of HC-SR04 and HY-SRF05 Ultrasonic Sensors For Automated Height Measurement Based On IoT”. APPLIED SCIENCE AND TECHNOLOGY REASERCH JOURNAL 4 (2). https://doi.org/10.31316/astro.v4i2.8247.