Dr. Sujith Kumar P. S., Asst. Prof. M. Gokilavani, Asst. Prof. Ajay Basil Varghese. “Design and Implementation of Arduino UNO Based CNC Draw Bot Using Bitmap”. Design Engineering, Nov. 2021, pp. 16028-40, http://www.thedesignengineering.com/index.php/DE/article/view/6753.