步进电机的单片机控制，可以在Proteus下进行仿真

PCF8563 时钟芯片驱动 89C51 -PCF8563 clock chip driver 89C51

,c51 是经典的单片机，简单，精通51单片机，在学习其他的单片机 很易上手 -, c51 is the classic single-chip, simple, fluent in 51 single-chip, single-chip microcomputer in the learning of other very易上手

在软件proteus下仿真MCU-51单片机6位LED计数器的演示例子和完整源代码(keil工程)-in software simulation under MCU-51 6 LED counter demonstration examples and complete source code (c51 engineering)

一个单片机上的sd卡驱动程序，支持fat32，fat16等文件系统，很有参考价值。-A microcontroller on the sd card driver and support fat32, fat16 file system, etc., of great reference value.

桦宣430研讨会讲稿，主动式rfid，ti公司的讲稿-err

ad转换的例子 基于89C2051的电压采样程序-ad conversion based on the example of the voltage 89C2051 sampling procedures

c8051f020对实时时钟芯片S3530A的读写-C8051F020 on real-time clock chip

本程序为CS5523 24位A/D转换驱动程序，包括C语言与汇编语言，是了解并使用好此芯片很好参考程序。-This procedure for the CS5523 24 bit A/D converter driver, including the C language and assembly language is to understand and use a good program this chip a good reference.

开发磁传感器必须用到的文档，很有帮助，文档里有开发的思路。-The development of magnetic sensors to be used in the document, very useful documentation has developed ideas.

串口调试助手V2.1.EXE 用于串口调试用-Serial debug V2.1.EXE assistant for serial debugging