ALABERE, I.; LUCKYN, B. .; ANYANWU, F. CHIAMAKA. Implementation of HCSR04 Ultrasonic Sensor based Internet of Things Hospital Drip Bag Monitoring and Alert System. Journal of Innovations in Data Science and Big Data Management, [S. l.], v. 3, n. 1, p. 36–50, 2024. DOI: 10.46610/JIDSBDM.2024.v03i01.006. Disponível em: https://matjournals.net/engineering/index.php/JIDSBDM/article/view/254. Acesso em: 25 jul. 2026.