勇德lanqiu 89S52只做jifenpai，勇keil protues大开他。

用89C51的数控直流稳压电源，含电路图（DDB）以及汇编源程序-89C51 NC with DC power supply, circuit diagram containing (DDB) and the compilation of source code

单片机最小系统，使用液晶显示，能够读取键盘值，具有综合扩展功能-The smallest single-chip system, the use of liquid crystal display, the keyboard can read the value of a comprehensive expansion of functions

详细讲解定时器、计数器的内部结构工作原理，控制，工作方式，及初始化编程，应用举例-Elaborate on timers, counters working principle of the internal structure, control, work methods, and initialization programming, applications, for example

12864LCD显示单片机51程序学习实践经验丰富工程师编写实机通过-51 procedures showed 12864LCD Singlechip experienced engineers to study and practice the real machine, through the preparation of

AVR单片机的TWI（IIC）总线功能驱动函数库，可直接调用本函数库驱动24C08等IIC器件。-AVR microcontroller TWI (IIC) bus function driver functions can directly call this function, database-driven 24C08 devices such as IIC.

12864液晶驱动程序，利用函数可变参数的特性及改变临时空间的大小，可以显示任意长度的字符串。-12864 LCD driver, the use of variable parameters of the characteristics of function and change the size of temporary space, you can display a string of arbitrary length.

系统下,地球坐标转换的源代码,在WGS-84坐标和北京54坐标之间的一套转换参数,可以全国通用的，在每个地方会不一样，因为它们是两个不同的椭球基准。 // WGS2GK.CPP : C++ version of Ottmar Labonde s WGSDHDN3.PAS with CPU time measurement // compile with MS Visual C++ version 6.0 or do the necessary modifications for your compiler // // Conversion of -system, the Earth coordinates conversion source code, the WGS-84 coordinates and coordinate between Beijing 54 set conversion parameters can be nationwide, in every place to be different, because they are two different ellipsoid benchmarks.// WGS2GK.CPP : C version of Silverstone Labonde s WGSDHDN3.PAS with CPU time measurement// compile with MS Visual C version 6.0 or do the necessary modifications for your compiler//// Conversion of

ds1302 + nokia5110的显示程序,以及ad 测量电压的程序， 以及定时器 键盘扫描. 以及L9110的 输入输出 关系. 以及eeprom的 读写. -ds1302+ nokia5110 display procedures, and ad measurement of voltage, procedures, and the keyboard scan timer. as well as the L9110 of the input-output relationship. as well as the read and write eeprom.

LM3S89XX ARM(CORTEX-M3) 内部看门狗原代码，周立功提供-LM3S89XX ARM (CORTEX-M3) internal watchdog the original code, Zhou Ligong provide

电机调速的控制程序，你可以通过这个程序来设定参数，通过反馈就可以控制速度了啊！-of motor speed control procedures, you can use this procedure to set parameters, feedback can control the pace of their ah!