Ramadhani, Yudha, Latifah Listyalina, and Irawadi Buyung. “Design of an Arduino-Based CPM Elbow Actuator With Optocoupler Angle Sensor: Initial Study With Future Consideration for Rubber and Plastic Components”. Journal of Electrical Technology UMY 9, no. 1 (June 30, 2025): 18–27. Accessed September 11, 2025. https://journal.umy.ac.id/index.php/jet/article/view/27611.