Access control System is electronic Door Control Automation systems, which are designed to control who has allow access to a Secure Aria.
The most simple example of a access control system is a door which is locked to limiting people to one side of the door or the other. The Technology like RFID Or Key card systems operate on the relationship between a plastic card and electronic access control locks. Each card is programmed to respond to a particular key card reader or more with a lock or a set of locks.
In case of Biometric Access Control and Attendance system, the device, which read
human finger and store information about that person. Whenever particular person
come, he or she have to put finger in device. Device identify the person whether the person are allow to access the area and keep his/her time and date of access into device memory.