步进电机相关资料，不错哦

５１实现的两个串口通信程序，ＫＥＩＬ环境下开发，可直接使用-51 realize the two serial communication program, KEIL development environment can be directly used

c8051f新华龙单片机开发运用程序，c8051f新华龙单片机开发运用程序-c8051f new Hualong MCU development and application procedures, Hualong c8051f new microcontroller development and application procedures

USB非接触式IC卡读写器，主要用于读写IC卡-USB contactless IC card reader, mainly for the IC card reader

mage8的数码管扫描程序 -mage8 digital control digital control mage8 scanner scanner

一个经典的电子钟程序，采用汇编语言编写，时钟芯片采用DS12C887，具有遥控器修改时间等功能-A classic bell electronic procedure for the preparation of assembly language, the clock chip DS12C887, with remote control features such as modified

基于凌阳单片机数字电子钟开发源代码，是已经调试好的源代码，可以直接用。-Sunplus based on the development of single-chip digital clock source code, is already a good debugging source code, can be directly used.

u盘固件源代码，很不容易找到的，分享一下-u disk firmware source code, is not easy to find and share

一个接收GPS模块接收时间显示在LCD上面 用SW调格林威治+-小时分 -A GPS receiver module to receive the time displayed on the LCD above tune with SW Greenwich+- Hours minutes

头件的中的#ifndef，这是一个很关键的东西。比如你有两个C文件，这两个C文件都include了同一个头文件。而编译时，这两个C文件要一同编译成一个可运行文件，于是问题来了-The first pieces of# Ifndef, this is a very key things. For example, you have two C file, the two C files include the same file size. And compile-time, the two C files to compile together into a run file, then issue the

80152单片机实现HDLC协议的应用，对实现文档做了详细的说明，对开发学习机制有很大的帮助。