Lamsyah Abdil Hafiz, Zuraidah Tharo, and Zulkarnain Lubis. “An Application Of Infrared Sensors In Providing Instructions For Logic Gates In Automatic Doorstops”. Jurnal Scientia 13, no. 03 (August 5, 2024): 628-634. Accessed July 12, 2025. https://infor.seaninstitute.org/index.php/pendidikan/article/view/2541.