Umashankar, Singh Aniket, Shubham Singh, Shubham Dubey, Vineet, and Anurag Tiwari. “Video Surveillance System Using PIR Sensor”. International Journal of Research in Engineering, Science and Management 3, no. 8 (August 17, 2020): 285–286. Accessed November 21, 2024. https://journal.ijresm.com/index.php/ijresm/article/view/181.