Marsela, A. “Rancang Bangun Penggerak Otomatis Panel Surya Menggunakan Sensor LDR Berbasis Arduino Uno”. Ranah Research : Journal of Multidisciplinary Research and Development, Vol. 2, no. 2, Feb. 2020, pp. 222-9, https://jurnal.ranahresearch.com/index.php/R2J/article/view/261.