S. A. Umashankar, S. Singh, S. Dubey, Vineet, and A. Tiwari, “Video Surveillance System Using PIR Sensor”, IJRESM, vol. 3, no. 8, pp. 285–286, Aug. 2020, Accessed: Nov. 21, 2024. [Online]. Available: https://journal.ijresm.com/index.php/ijresm/article/view/181