References Solar Panel Rotation Control Using Optical Sensor 22 July 8, 2020 [1] W . E. Alnaser and N. W. Alnaser , “Solar and wind energy potential in GCC countries and some related projects,” Journal of Renewable and Sustainable Energy, volume 219 ,February 2009,Page 40-66, ISSN:0004-3307. [2] I. Stamatescu , I. Făgărăşan , G. Stamatescu , N. Arghira , and S . S. Iliescu, “Design and implementation of a solar-tracking algorithm,” Procedia Engineering, volume 69, June 2014 ,Page 500–507 , ISSN:0014-3407 . [3] N. H. Helwa , A. B. G. Bahgat , A. M. R. El Shafee , and E. T. El Shenawy , “Maximum collectable solar energy by different solar tracking systems,” Energy Sources, volume 22, March 2000, Page 23–34, ISSN:0741-417. [4] G. Deb and A. B. Roy, “Use of solar tracking system for extracting solar energy,” International Journal of Computer and Electrical Engineering, volume 4, July 2012 ,Page 42–46 , ISSN:0641-517 . [5] T. Tudorache and L. Kreindler , “Design of a solar tracker system for PV power plants,” Acta Polytechnica Hungarica , volume 7, May 2010 , Page 23–39 ,ISSN:0004-3702.