前言：
社会发展的很快，人们的生活水平大幅度提高的同时，安全问题也愈受关注。
进小区要刷卡，公司刷卡，进学校宿舍刷卡，各种各样的刷卡安全系统在我们的生活里出现。简称为：门禁系统或出去管理控制系统，智能化实现人们的安全管理。涉及面非常广泛，计算机，机械，通讯，等众多技术。
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涉及到大学生毕业设计，我们都知道一般情况下我们工科生都是用C语言或者其它低级语言来编程程序。这次，我们来点不一样的，利用这个编程新宠Python语言来实现我们的软件编程部分。
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然而，一篇毕业设计论文，必然是有硬件也有软件的。一个远程的门禁控制系统，所需要的硬件部分你能想的到哪些东西呢？
硬件：
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硬件都是些很大众的产品，至少对我这种电信专业的人来说是这样的。其中的核心硬件即是TurnipDog集成芯片。
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LCD12864液晶。LCD12864液晶顾名思义就是128*64个点阵组成的显示模块，该模块的功耗较低，可以多行内容，同时支持了中文字库的LCD12864还可以显示汉字。
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LCD12864与单片机连接较为简单，只需要进行8位数据传输和部分控制管脚就可以实现驱动显示。在本系统中，使用LCD12864液晶显示温湿度信息阈值和实测情况的时候可以分多行显示，这种设计更加简单明了，因此本系统选择使用12864液晶作为显示方案。
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MF RC522是非接触式通信中高集成度的读写卡芯片，具有低电压、体积小、低成本等优点。 MF RC522与TurnipDog之间通信/读取传输数据采用SPI模式。
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认为即使全部理解，拿到所有硬件后接线也是个难题？早就准备好了连接图表，按此说明书连接即可。
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大家最关心的Python编程，软件部分代码：
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到此软硬件都已经做好，就可以抚摸我们的成果了。
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