Amri, M. S., M. I. Shah, A. Kadmin, and Z. Zakaria. “Development of Residential Energy Harvesting System With Arduino Application”. Journal of Telecommunication, Electronic and Computer Engineering (JTEC), vol. 11, no. 2, May 2019, pp. 55-58, https://jtec.utem.edu.my/jtec/article/view/4031.