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。...

是一款不错的单片机开发软件说明,开发单片机前的必备知识学习。-Is a good description of single-chip microcomputer software, the development of single-chip pre-requisite knowledge.

韦根解码程序,包括的原理图与KEIL C51原代码-Wiegand decoding procedures, including the schematic diagram with the original code KEIL C51

1.Ｋ１作为左转弯开关，Ｋ２作为右转弯开关。Ｌ１、Ｌ２作为左转弯灯，Ｌ５、Ｌ６作为右转弯灯。 2.程序实现的功能：向上打Ｋ１时左转弯灯以一定频率闪烁，打Ｋ２时右转弯灯以一定频率闪烁，Ｋ１、Ｋ２同时向上或向下，发光二极管灭。-1.K1 as a left turn switch, K2 as a switch and turn right. L1, L2 as a left turn lights, L5, L6 as lights and turn right. 2. Program features: K1 when the left turn up to fight a certain frequency of flashing lights, turn right when playing K2 to a certain frequency of flashing lights, K1, K2 upward or downward at the same time, anti-light-emitting diodes.

电子点阵显示器（8*8）.-。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。

用C51编写的现场总线多机通讯程序，这个程序调试通过，现在应用在微机数据采集系统中。

本程序提供了ADuC812单片机的ad/da测试程序。-the procedures provided ADuC812 SCM ad/da testing procedures.

AVR官方设计的充电器,为SLA、NiCd、NiMH和Li-Ion电池设计的充电器。-AVR official charger designed for SLA, NiCd, NiMH and Li-Ion battery charger designed.

用于12864液晶显示的驱动程序，非常好用，值得下载，移植简单-12864 for liquid crystal display driver, very easy to use, it is worth the download, easy transplantation

8x8矩阵示例

一个51单片机实现软件计数器的源程序代码-a 51 SCM software counter of the source code