E.-N. HANGANU, O. ORZA, S. BOSOC, C. BALACEANU, and G. SUCIU, “Smart toilet cleanliness detection system using IoT”, SCIC, vol. 9, pp. 297–304, Apr. 2023, Accessed: Nov. 21, 2024. [Online]. Available: https://scrd.eu/index.php/scic/article/view/374