Atsiq, Athaya, and Khairul Wildani Akbar. “Arduino Uno Based Automatic Hand Sanitizer, Servo, and Infrared Sensor”. EPICENTRUM 1, no. 02 (June 26, 2022). Accessed March 30, 2026. https://journals.insparagonsociety.org/index.php/epicentrum/article/view/175.