wardiansyah putra, and N. Nopriadi. “RANCANG BANGUN ALAT SHUFFING DRING MENGGUNAKAN MOTOR DC SYSTEM KENDALI PULSE WIDTH MODULATION BERBASIS ARDUINO”. Computer and Science Industrial Engineering (COMASIE), vol. 7, no. 1, July 2022, pp. 67-75, https://forum.upbatam.ac.id/index.php/comasiejournal/article/view/5651.