Zafar, S., G. Miraj, R. Baloch, D. Murtaza, and K. Arshad. “An IoT Based Real-Time Environmental Monitoring System Using Arduino and Cloud Service”. Engineering, Technology & Applied Science Research 8, no. 4 (August 18, 2018): 3238–3242. Accessed July 17, 2024. https://etasr.com/index.php/ETASR/article/view/2144.