Raghavendra, Rekha, Shobha Gowda, and Jissy Thomas. “Fingerprint Doorlock System Using Arduino Uno”. The Scientific Temper 16, no. Spl-2 (July 8, 2025): 40–45. Accessed December 3, 2025. https://scientifictemper.com/index.php/tst/article/view/2005.