基于 51 的倒车雷达

使用89S52为核心做的USB键盘,注意修改了一下windows设备描述符以及端点处理等就行了。用了一个4*4的小键盘,有0-9十个数字键, Num Lock键,Caps Lock键,Shift键,Ctrl键,Alt键,回车键等。 最多可以有三个键同时按下，如果相交的话，最多只能两个键按下-89S52 use as the core of the USB keyboard to do, pay attention to modify the look and the windows device descriptor, such as treatment endpoint on the list. Used a 4* 4 small keyboard, has the number keys 0-9 10, Num Lock keys, Caps Lock key, Shift key, Ctrl key, Alt key, enter key and so on. Can have up to three keys pressed at the same time, if the intersection, then a maximum of only two keys pressed

学习51串口的经典例程，对于学习51串口很好处；熟悉串口的初始化及给端口的理解很有帮助！-51 classic serial learning routines, learning well Office 51 serial port familiar with the serial port initialization and to the understanding of great help!

ch451驱动数码管,一按键多功能程序,24C02实现易丢失数据储存-ch451-driven digital control, a key multi-function programs, 24C02-volatile data storage to achieve

周立功7290键盘程序，该程序保护主要的协议和函数，可以很好的被调用-ZLG 7290 keyboard program, the program is to protect the main protocols and functions that can be called a good

LCD多级菜单具体实现,里面有程序，推荐下载-LCD concrete realization of multi-level menus, which are programs, recommended download

利用C语言进行24lc256与单片机的通讯程序-The use of C language SCM 24lc256 and communication procedures

单片机c语言源程序 初学者 很有用哦 -SCM c language source code is useful for beginners oh

自己设计编写18B20温度采集程序，已通过验证。-18B20 prepare their own design temperature acquisition procedures have been validated.

在STC5410AD单片机硬件基础上实现的串行接口的液晶显示源程序。-The STC5410AD MCU based on the hardware, a serial interface, LCD display source.

PDIUSBD12 USB1.1 C51源代码-PDIUSBD12 USB1.1 C51 source code