Seng Xiang, Ngien, Nor Aira Binti Zambri, and Sim Sy Si. “Powered Solar Phone Charger Using Arduino Solar Tracker in UTHM, Pagoh”. Progress in Engineering Application and Technology 4, no. 1 (May 25, 2023): 384–391. Accessed May 7, 2024. https://publisher.uthm.edu.my/periodicals/index.php/peat/article/view/10016.