Knight, Guntur Petrus Boy. “Perancangan Dan Implementasi Mesin Daur Ulang Sampah Botol Plastik Menggunakan Arduino Mega Dan PLC”. Piston: Journal of Technical Engineering 6, no. 1 (July 16, 2022): 41–47. Accessed March 16, 2026. https://openjournal.unpam.ac.id/index.php/Piston/article/view/21576.