Our project is Door Unlocking System consists of Hardware as well as Software. First Level of Protection is done by Android Application. Second Level of Protection is done by RFID and it Opens the lock. System can also detect number of Persons Entering into the Room with Optical Sensors.
B. G. Grossman
Alshathri, Nawaf; Aldosari, Farraj; Alshehhi, Ali; and Alhashmi, Abdulazeez, "Cell Phone Activated Access Control System" (2015). Electrical Engineering and Computer Science Student Publications. 22.