门禁系统毕业设计

Ic card entrance guard controller

Abstract

Living in the area inside the first face is to enter the cell door, suitable access

control system can make people more at ease. Also easy to control the

development of a set of access control system is easy to operate. Access control

system design strategy is through the use of IC cards to achieve the purpose of

unlocking, each user has an IC card, which is equivalent to a personal ID, as

only included in the system of ID numbers can magnetic locks, IC card will be

wrong warning cause movement of the system. The design of the main only

AT89C52, peripheral devices including push-button, 1602 LCD, serial, LED

lights, IC module. Firstly, the functional design of the hardware described in

detail, and then explained to the PC section. IC card reader will be able to be

operated by the host computer. In actual experiments, the system is much simple

in structure and easy to operating. Because of its excellent low cost, easy to

operate features, for commercial applications has a certain reference value. In

the final test system to make the body's response in kind in accordance with the

development plan.

Keywords IC Card, Access Control System,STC89C52 ,crystal display