max7219控制的源程序，经过测试，给需要者

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.

C51源程序库（二十多个）-C51 source library (over 20)

cs8900 c51应用-cs8900

CAN的51单片机源程序 ARM经典 C语言写的-CAN 51 single-chip ARM classic C language source code written in

一种基于单片机系统的多级菜单模块化编程．方便了菜单的加载与卸载,软件结构清晰,维护方便-SCM systems based on multi-level menus modular programming. To facilitate the loading and unloading of the menu, software, clear structure and easy maintenance

一个电容计的51源代码，我自己参加电子设计大赛使用的。-a capacitance of 51 source code, I participate in the electronic design competition to use.

便携式压力传感器，带usb口和ic存储卡的-portable pressure sensors, with USB port and memory card ic

STC单片机内部的ISP和IAP系统，提供了单片机内部的低功耗状态-STC Single-chip ISP and IAP internal systems, provide a single-chip internal low-power state

430学习书籍,好东西,希望大家下载-430 learning books, good things, I hope everyone downloads

实现钟表的基本功能，可以通过串口改时间，有记星期的功能，也可通过键盘改点-it can realize a clock s function ,can modify it s clock via serial and keys.can remember wenkends,