“Dual Axis Solar Tracking System using 5-LDR sensor”, Int. J. Curr. Eng. Technol., vol. 7, no. 5, pp. 1750–1753, Oct. 2017, Accessed: Mar. 13, 2026. [Online]. Available: https://ijcet.evegenis.org/index.php/ijcet/article/view/2495