Johar, Haziq Lukman, Shamsul Mohamad, Shaharil Mohd Shah, and Rafizah Mohd Hanifa. “Water Quality Monitoring and Controlling Using IoT”. Journal of Electronic Voltage and Application 2, no. 1 (July 6, 2021): 20–25. Accessed June 29, 2022. https://publisher.uthm.edu.my/ojs/index.php/jeva/article/view/8182.