基于单片机和无线电遥控技术的密码锁硬件设计(附PCB图,原理图)(含任务书,开题报告,外文翻译,毕业论文19000字)
摘要:随着电子工业的发展,8位的单片机就能满足系统的设计要求。该系统具有体积小,且性能价格比高,PT2272芯片来实现信号的编码和解码。将无线电遥控技术与密码 技术相结合,仍能够保存密码信息。
单片机的选择
电子密码锁大多采用单片机作为中央处理器,使用户在有效工作范围内的任何位置都能对保险箱进行开启,从而使其抗干扰能力很强。
关键词:遥控技术 密码锁 编码 解码 单片机
Design of Password-Lock Based on Microcontroller and Remote Control Technology
Abstract:With the development of the electronics industry, today's intelligent electronic lock technology is constantly updated, in particular the application of SCM in the field are constantly toward high precision and advanced technology development, whether functional and stability are more comprehensive. Radio remote control technology will be combined with cryptographic techniques, to ensure that the existing locks in the system performance based on the development of new remote lock system. Enables users to any location within a certain range can be on the safe open, password security can be improved to overcome the fixed keyboard lock deficiencies. The system is based on the single chip on the development of remote control locks, the hardware design from the remote transmitter and remote control receiver of two subsystems, in order to receive some of the major AT89C52 microcontroller as the core. Use PT2262, PT2272 chip encoding and decoding the signals. In addition, the combination of portability and readability of the C language program to achieve lock, alarm and display. At the same time, the use of EEPROM memory AT24C02 power-down mode makes the system still be able to save the password information. The system is small, low cost, reliable, easy to use and so on.
Keywords: remote control technology password-lock code decode
single chip microcomputer
技术要求
以单片机为中心,使用方便等特点。同时,使用方便等特点。本系统就是基于单片机实现对密码锁远程操控的研发,使程序的调试非常方便。此外,克服了固定键盘式密码锁的不足。
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目 录
1 绪论1
11 选题的依据及意义1
12 国内外研究及发展趋势1
2 系统组成及其工作原理3
21 技术要求及主要特色3
22 系统组成框图及工作原理3
3 硬件电路的设计5
31 单片机的选择5
311 时钟电路6
312 复位电路7
32 遥控发射模块8
33 遥控接收模块12
34 密码存储模块16
35 键盘及显示模块18
36 报警电路21
37 开锁电路23
4 系统软件的设计26
41 主程序设计26
42 各模块的程序设计27
422 键盘输入模块程序设计28
423 密码比对模块程序设计29
424 24C02芯片的读写30
5 调试与结果分析31
51 硬件的调试31
511 PCB板的设计制作31
512 遥控发射模块的调试32
513 遥控接收模块的调试32
514 密码存储模块的调试33
515 键盘及显示模块的调试33
516 报警电路的调试33
517 开锁电路的调试33
52 软硬的联调34
6 总结35
致谢36
参考文献37
附录 A 原理总图38
附录 B PCB图39