SIMATUPANG, Frengki; NAINGGOLAN, Waldo Owen. Design and Implementation of Rain Gauge Measurement using Ultrasonic Sensor HC-SR04 (Case Study using Ombrometer Method). Piston: Journal of Technical Engineering, [S. l.], v. 7, n. 2, p. 80–90, 2024. DOI: 10.32493/pjte.v7i2.36619. Disponível em: https://openjournal.unpam.ac.id/index.php/Piston/article/view/36619. Acesso em: 31 jul. 2024.