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This framework is controlled by Raspberry Pi circuit. Raspberry Pi electronic board is worked on battery power supply and remote web availability by utilizing USB modem; it incorporates camera, PIR movement sensor, LCD, and an entryway, as shown in Figure 1.4. At first approved countenances get enlisted in the camera. Then, at that point, the confirmation happens. At whatever point the individual comes before the entryway, PIR sensor will detect the movement; LCD screen shows the necessary brief and the camera begins perceiving the face; it perceives the face, and on the off chance that it is enrolled, it opens the entryway; if the face is not enlisted, then it will raise a caution and snaps an image and sends it on the qualifications. This is the means by which the framework works.

Figure 1.4 Block diagram of face recognition system.