Batumalay, Malathy, Rubinyaa a/p Sekar, and Chitra Batumalai. 2019. “Study and Implementation of Internet of Things (IoT) Based on Rainwater Sensor Using Arduino through Mobile Application”. INTI Journal 2019 (November). https://iuojs.intimal.edu.my/index.php/intijournal/article/view/366.