“Perancangan Sistem Monitoring Ketinggian Air Menggunakan Sensor Ultrasonik Berbasis Internet Of Things Di Provinsi Lampung”, NSJISDI, vol. 1, no. 1, pp. 24–32, Sep. 2026, Accessed: Oct. 20, 2026. [Online]. Available: https://journal.ryepublisher.com/index.php/NJSDI/article/view/15