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基于单片机控制的电子密码锁设计
目 录
摘要 ......................................................................................................................I
关键词 ..................................................................................................................I
Abstract ...............................................................................................................II
Key words ...........................................................................................................II
1 绪论 ...............................................................................................................1
1.1 课题背景 ............................................................................................1
1.2 课题的目的和意义.............................................................................1
1.3 电子密码锁发展趋势 .........................................................................1
1.4 本设计完成的工作.............................................................................2
2 总体方案设计 ................................................................................................2
2.1 电源模块 ..............................................................................................3
2.2 主控制器模块 .......................................................................................3
3 硬件实现及单元电路设计.............................................................................4
3.1 主控制模块 ........................................................................................4
3.2 单片机的时钟电路与复位电路设计..................................................4
3.3 单片机管脚说明.................................................................................5
3.4 键盘电路设计 ............................................................................................6
3.5 数码管显示电路设计 .........................................................................6
3.6 存储芯片电路设计.............................................................................7
3.7 报警电路 ............................................................................................7
3.8 密码锁电路 ........................................................................................7
4 红外遥控电路设计 ..........................................................................................8
4.1 红外通信基本原理...............................................................................8
4.2 红外通信标准 .......................................................................................9
4.3 红外线遥控原理.................................................................................10
4.4 主要模块设计 ....................................................................................10
5 系统软件设计方案 ......................................................................................11
5.1 主程序流图 ......................................................................................11
5.2 开锁软件设计...................................................................................12
6 系统的安装与调试 ......................................................................................15