本科论文目录摘要Abstract..........引1系统总体设计1.1系统设计要求31.2系统设计思路32系统硬件设计.…2.1设计原理2.2主控模块52.3芯片模块82.4矩阵键盘模块2.5液晶显示模块102.6继电器驱动模块122.7蜂鸣器模块132.8蓝牙模块.…3系统软件设计.….163.1软件设计开发环境163.2编程语言选择163.3程序流程图4系统调试…204.1硬件调试…20204.3问题及解决方法21结论23参考文献44444444444424附录1硬件原理图26附录2源程序清单27致谢本科论文摘要在我们的生活当中，处处都能看到锁的身影，小到家门上的锁，大到银行保险柜上的锁。当人们想要保护贵重物品时，锁往往会被广泛使用。随着时代的不断发展与进步，人们对锁的安全性越来越重视。传统机械锁，由于其内部结构简单，使用安全性低，所以慢慢的淡出了人们的视野。具有蓝牙功能的电子密码锁渐渐受到了大家的喜爱。和传统机械锁相比，运用蓝牙技术的密码锁，能够成功地保障用户的安全信息，可以极大程度的解决旧锁具的不足，满足了人们对于锁的安全性的要求。在基于单片机的蓝牙无线密码锁设计中，将蓝牙技术作为本次设计的核心内容，通过运用ST℃89C52单片机，加上LCD液晶显示器模块，以及多种类的相关零件，可以提供多种较为便利的设定，成功帮助用户解决开锁以及闭锁等诸多方面的内容，且将整个过程科学合理化，最大程度地保障人们的安全。经实验验证，相比于传统机械锁，蓝牙无线密码锁具有安全便捷成本低等优点，可普遍应用于家庭、宾馆、办公大楼、银行等地方。这样安全便捷的开锁方式给人们的日常生活和工作提供了保障，保护了人员和财产的安全，大大提高了安全系数。关键词：单片机：蓝牙模块；LCD1602:密码锁本科论文AbstractIn our life,everywhere can see the figure of the lock,small to thedoor on the lock,big to the bank safe on the lock.Locks are often widelyused when people want to protect valuables.With the continuousdevelopment and progress of The Times,people pay more and moreattention to the security of locks.Because of its simple internal structureand low safety,traditional mechanical locks gradually fade out of people'ssight.The electronic password lock with bluetooth wireless function hasgradually become popular.Compared with the traditional mechanicallock,the password lock of bluetooth technology can successfullyguarantee the user's security information,and can greatly solve theshortage of the old lock,meeting people's requirements for the security ofthe lock.In bluetooth wireless combination lock design based on single chipmicrocomputer,the bluetooth technology as the core content of thisdesign,using STC89C52 single-chip computer,and LCD liquid crystaldisplay template,and a variety of related parts,under the author'spersonal test,it can provide a variety of more convenient setting,successto help users solve the lock and closure of many aspects,such as content,and the whole process will be scientific and rational,to guarantee thesafety of the people.Verified by the experiment,compared with the traditionalmechanical locks,bluetooth wireless combination lock has convenientsafe low cost advantages,can be widely used in home,hotel,officebuildings,Banks and other places,so safe and convenient way to open thelock has provided the safeguard for People's Daily life and work,toprotect the safety of persons and property,has greatly increased the safetycoefficient.Keywords:single chip microcomputer;bluetooth module;LCD1602;combination lock