Is the sd card

控制步进电机正转，如：p3.2正转,p3.3反转,p3.4停止 步进电机接p1.0p1.1p1.2p1.3，正转，反转各3圈，正反快慢功能，是步进机的经典程序。-Stepper motor control is transferred, such as: p3.2 is transferred, p3.3 inversion, p3.4 stop stepper motor then p1.0p1.1p1.2p1.3, is turn, reversal of the 3 lap, both positive and negative speed function, is a classic step process machine.

PTR8000发送接收驱动程序。只需在主程序中只需做小小的改动就可以，使用这个模块！！！ -Send PTR8000 receive driver. Only in the main program in only small changes can make use of this module! ! !

两个控制595的小程序。保证大家看后可以非常容易的学会使用它以及其他串进并出等器件-595 small two control procedures. To ensure that we can very easily look at the Institute of string to use it, as well as other devices, such as into and out of

单片机电路图.开发者可借助此51电路原理图，大大简化开发难度，提高效率。-Single-chip circuitry. Developers can take advantage of the 51 circuit schematic diagram, greatly simplified the development of the difficulty and improve efficiency.

80C51系列单片机汇编语言设计教程-80C51 microcontroller series Language Design Guide Series

介绍zlg7290的pdf，介绍得很详细，还有程序实例。-Introduction zlg7290 the pdf, very detailed introduction, there are instances.

单片机检测程序有监控、通讯、显示等一次完成

AD5933评估板下位机程序（keil C）和上位机程序（VB）-AD5933 Evaluation procedures under the plan (keil C) and PC (VB)

周立功的SD卡源代码,请大家参考,希望对大家有所帮助,-Week Ligong the SD card source code, please refer to, and they hope to be helpful to everyone,

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