Sholeh, Moch Badrus, Amalia Herlina, and Fuad Hasan. “Design of Automatic Door Lock Control System Library Nurul Jadid University Based On Arduino Uno R3 and QR-Code”. Buletin Ilmiah Sarjana Teknik Elektro 2, no. 2 (August 30, 2020): 91–102. Accessed November 21, 2024. http://journal2.uad.ac.id/index.php/biste/article/view/2741.