用C51I/O口来驱动两个四位数码管，并且可消隐，降低功耗。

电动机pid控制的源码（算法），具有比较规范的数据结构，例外很好地应用了pid控制算法。-Motor pid control of the source (algorithm), with a standard data structure, exceptions to the application of good pid control algorithm.

接触式IC卡的读写函数，IIC通信模式的源代码-Contactless IC card reader function, IIC communication model" s source code

DS1302芯片的资料（英文）。有需要的朋友下载！-DS1302 chip information (in English). Friend in need to download!

STCS89C51单片机的介绍，给热爱STCS89C51的朋友提供一个参考资料。-SCM STCS89C51 introduction to the love of friends STCS89C51 to provide a reference.

实时时钟模块ds1302,内含原理图，适合学过汇编语言的人-Real-time clock module ds1302, containing schematics, assembly language to learn for those who

实用红外遥控接收，解码程序。已经通过调试。-Practical infrared remote control receiver, decoding procedures. Have passed testing.

基于PIC单片机的SPWM控制技术，详细介绍了使用面积相等法产生SPWM波。-PIC MCU-based SPWM control technologies, detailing the use of an area equal to France generate SPWM waves.

STC单片机大量电路实例，有电源电路，通信电路，含原理图-STC Singlechip a large number of circuit examples, have the power circuits, communication circuits, including schematic diagram

基于keil c51的rtos tiny源代码（keil 7.05 version）-based on the Byelorussian tiny decoder source code (c51 7.05 version)

PTR8000的一个调试程序，功能还可以。-PTR8000 a debugger, functions can also be.