C. Barria, C. L. Burbano, C. W. . Cuellar Anturi, D. F. . Draco, and W. Ortiz, “Introduction to educational robotics in rural areas for the development of an obstacle detector controlled by a mobile app”, I+T+C Investig. Tecnol. Cienc., vol. 1, no. 14, pp. 25–33, Dec. 2020.