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2015Äê 03ÔÂ20ÈÕ
Title: microcontroller-based temperature control system
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Department: College of the system of energy saving and safety Major: Electronic and Information Engineering Author: Chen cheng Student ID: 2013080102 Instructor: Tang Yonggang Professor
March 20th,2015
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±¾ÏµÍ³ÒÔ89C51ϵÁе¥Æ¬»úSTC89C52Ϊ¿ØÖƺËÐÄ£¬ÀûÓ÷ǽӴ¥Ê½¸ßƵMifare IC¿¨Ä£¿é¶ÁÈ¡Óû§ÊÖÖеÄIC¿¨ÐÅÏ¢£¬Ê¶±ð³É¹¦ºóÓëϵͳ´æ´¢µÄIC¿¨¿âÊý¾Ý½øÐбȶÔУÑ飬Èç¹ûIC¿¨Êý¾Ý¿âÖÐÓÐIC¿¨ÔòÖ¤Ã÷IC¿¨ºÏ·¨£¬µ¥Æ¬»úͨ¹ý¿ØÖƼ̵çÆ÷¿ØÖƵç×ÓËøÃŽû¿ªÆôºÍ¹Ø±Õ¡£Í¬Ê±ÏµÍ³²ÉÓÃ4X4¾ØÕó¼üÅÌ×÷ΪÊäÈ룬LCD1602Òº¾§×÷ΪÈË»ú½»»¥ÏÔʾ£¬ÈÃϵͳ¾ß±¸¸ü´óµÄʵÓüÛÖµ¡£
¹Ø¼ü´Ê£ºSTC89C52£»4X4¼üÅÌ£»IC¿¨£»LCD1602£»Mifare
Abstract
With the progress of science and technology, access control systems used in daily life is more and more popular. The gate entrance control system to replace open a door with a key way to induction card. A user with a card can open the lock on the door lock, the opening can also have a certain time limit. If the card is lost, do not have to change the locks, the cancellation of its control from the host. The gate entrance control system through control, equipment management and records of the admittance of entrance to whom, when and where to detailed tracking, to achieve the center on the entrance 24 hours control, monitoring and management.
This system uses 89C51 Series MCU STC89C52 as the control core, the use of contactless IC card information of high frequency Mifare IC card module to read the user's hands, ratio of IC are checking data recognition after successful and storage system, if there is evidence that the IC card IC card IC card database legal, chip by controlling the relay control electronic lock opening and closing. At the same time the system uses the 4X4 matrix keyboard as input, LCD1602 liquid crystal display as human-computer interaction, can complete the IC card information through the keyboard to add, delete and other tasks, to make the system more practical value.
Key words£º STC89C52;4X4 keybord;IC card;LCD1602;Mifare