Hashmi, M. S. (2023) “The The Photon Sentinel: A Light-Dependent Security System for Domestic and Professional Environments ”, International Journal of Electrical Engineering & Emerging Technology , 6(2), pp. 7–10. Available at: https://oldarchive.ijeeet.com/index.php/ijeeet/article/view/134 (Accessed: 14 May 2026).