Simatupang, J. W. ., and Abdul Aziz Ar-Rafif. “Prototype of A Smart Trash Bin for Trash Composting Based on Load Cell HX711 and Ultrasonic Sensors”. Journal Serambi Engineering, vol. 9, no. 1, Feb. 2024, pp. 8289-01, doi:10.32672/jse.v9i1.1074.