Akbar, M., S. D. Anjasmara, and K. D. K. Wardhani. “Design and Build an Organic and Inorganic Waste Detector Using Proximity Sensors and NodeMCU ESP8266”. Jurnal Komputer Terapan , vol. 7, no. 2, Dec. 2021, pp. 290-9, doi:10.35143/jkt.v7i2.5178.