PROTOTYPE SISTEM PENDETEKSI BANJIR MENGGUNAKAN NODEMCU DAN PROTOKOL MQTT BERBASIS INTERNET OF THINGS. j.sist.inf.inform. [Internet]. 2022 Feb. 11 [cited 2025 Aug. 3];5(1):38-4. Available from: https://ejournal.lppm-unbaja.ac.id/index.php/jsii/article/view/1424