As Sadad, Rif’an Tsaqif, and Iswanto Iswanto. “Implementasi Sensor Pyroelectric Infra Red (PIR) Sebagai Pewaktu Televisi”. Semesta Teknika 13, no. 2 (March 5, 2016): 130–136. Accessed July 12, 2025. https://journal.umy.ac.id/index.php/st/article/view/713.