The use of serial communication between the microcontroller to achieve the function of electronic password lock. The use of single-chip serial port itself can be very convenient to achieve communication between the microcontroller, so that the value of the input password sent to the host, check whether the correct password. The electronic code lock is divided into two parts, one part is outside, the keyboard part and the password display the other part is inside, there is a password setting and display.

Electronic cipher lock\串行通信的电子密码锁元件清单.doc
......................\串行通信的电子密码锁资料.JPG
......................\串行通信的电子密码锁资料.txt
......................\仿真发射部分.bmp
......................\仿真接收部分.bmp
......................\密码锁\发射部分\chengxu.c
......................\......\........\chengxu1.c
......................\......\........\chengxu2.c
......................\......\........\chengxu3.c
......................\......\........\chengxu4.c
......................\......\........\keil发\chengxu
......................\......\........\......\chengxu.c
......................\......\........\......\chengxu.lnp
......................\......\........\......\chengxu.LST
......................\......\........\......\chengxu.M51
......................\......\........\......\chengxu.OBJ
......................\......\........\......\chengxu.opt.bak
......................\......\........\......\chengxu.plg
......................\......\........\......\chengxu.Uv2.bak
......................\......\........\......\chengxu.uvopt
......................\......\........\......\chengxu.uvproj
......................\......\........\......\chengxu.__i
......................\......\........\......\chengxu1
......................\......\........\......\chengxu1.hex
......................\......\........\......\chengxu1.lnp
......................\......\........\......\chengxu1.M51
......................\......\........\......\chengxu1.plg
......................\......\........\......\chengxu_Opt.Bak
......................\......\........\......\chengxu_Uv2.Bak
......................\......\........\......\STARTUP.A51
......................\......\........\......\STARTUP.LST
......................\......\........\......\STARTUP.OBJ
......................\......\........\Last Loaded ourhc.DBK
......................\......\........\ourhc.DSN
......................\......\........\ourhc.PWI
......................\......\接收部分\chengxu1.c
......................\......\........\chengxu2.c
......................\......\........\chengxu3.c
......................\......\........\keil接\chengxu
......................\......\........\......\chengxu.c
......................\......\........\......\chengxu.lnp
......................\......\........\......\chengxu.LST
......................\......\........\......\chengxu.M51
......................\......\........\......\chengxu.OBJ
......................\......\........\......\chengxu.Opt
......................\......\........\......\chengxu.plg
......................\......\........\......\chengxu.Uv2
......................\......\........\......\chengxu.__i
......................\......\........\......\chengxu1
......................\......\........\......\chengxu1.hex
......................\......\........\......\chengxu1.lnp
......................\......\........\......\chengxu1.M51
......................\......\........\......\chengxu1.plg
......................\......\........\......\chengxu_Opt.Bak
......................\......\........\......\chengxu_Uv2.Bak
......................\......\........\......\STARTUP.A51
......................\......\........\......\STARTUP.LST
......................\......\........\......\STARTUP.OBJ
......................\......\........\Last Loaded ourhc.DBK
......................\......\........\ourhc.DSN
......................\......\........\ourhc.PWI
......................\开题报告.doc
......................\最终程序\发送.ASM
......................\........\密码修改（可以设置）.ASM
......................\........\密码修改（最终）.ASM
......................\........\密码修改（语音）.ASM
......................\........\接收.ASM
......................\片机串行通信的电子密码锁开题报告.doc
......................\电路原理图\voice.Sch
......................\..........\串口密码锁发射.SchDoc
......................\..........\串口密码锁接收.SchDoc
......................\相关资料\1N4007.pdf
......................\........\AT89S52 主要性能.doc
......................\........\at89s52.pdf
......................\........\AT89S52单片

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