G.Vara Lakshmi , U.Ganesh , C.Sai Venkata Sahadev , Dr. P.Sobha Rani. “Industrial Automation With Raspberry Pi and IoT”. International Journal of Advanced Science and Technology, Vol. 29, no. 05, Apr. 2020, pp. 3534 -39, http://sersc.org/journals/index.php/IJAST/article/view/12045.