Touchless Dual-Mode Smart Door Lock System Using Smartphone Authentication and Bluetooth-Enabled Arduino with Solenoid Actuation. int. J. Eng. Res. Sci. Tech. [Internet]. 2026 Jan. 30 [cited 2026 Sep. 21];22(1):1823-32. Available from: https://ijerst.org/index.php/ijerst/article/view/2748