M.Kranthi Kumar, E.T.Praveen, J.Thrisul Kumar, N.Durgarao. “IOT EMBEDDED LOGIN FOR STEPPER MOTOR SPEED CONTROL ”. International Journal of Advanced Science and Technology, Vol. 29, no. 5s, Apr. 2020, pp. 902 -11, http://sersc.org/journals/index.php/IJAST/article/view/7803.