SD卡的驱 动资料，讲述了SD卡的SPI驱动模式

点阵式打印机驱动程序,CPU:89C51RD2,含3562个汉字,可打印图形,有1024字节缓冲区-Dot-matrix printer driver, CPU: 89C51RD2, including 3562 Chinese characters can print graphics, has 1024-byte buffer

步进电机驱动，简单使用，只需稍加修改，即可用于你想到的系统-Stepper motor-driven, simple to use, just a little modification, you can think of for your system

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

很好的51汇编资料，包括了定点数的运算和浮点数的运算。-good compilation of information, including a set of points and Operational float arithmetic.

本程序是为51系列单片机开发的16*2型液晶模块驱动程序。该驱动程序包含两个文件，将C文件关联入工程，在调用文件前包含H文件即可。程序提供了简便实用的接口程序，具体使用方法参见文件注释。（本驱动程序在Keil C51开发环境中测试成功，并经过多次实践应用）。-the procedures for the development of single-chip 51 16* 2 LCD driver. This driver contains two files, documents related to C, the call of documents containing H documents. Procedures to provide a simple and practical interface procedures, the use of specific methods, see the Notes document. (Driver in the Keil C51 development environment to test successful, and after several practice application).

16位10进制除法程序，KEIL51编写，适合单片机运算-16 10 M division procedures, KEIL51 prepared for single-chip computing

16x16单片机仿真LED点阵有卷动和移动两种闪法随便用-16x16 single-chip simulation scrolling LED dot-matrix There are two types of flash method and mobile casual use

硬件协议栈芯片W3100A和51单片机实现tcp客户端程序，在keil51环境中-hardware protocol stack and 51 W3100A chip MCU tcp client, in keil51 environment

8051-led light-..........................................

基于单片机的网络通讯，代码优化简洁。 适合一般网络通讯的参考。-Based on single-chip network communications, code optimization concise. Network communications for general reference.