stm32实现精确定时源代码，经过验证，可实现

I0口作为串行口发送接收函数完美版-I0 mouth as send and receive serial port function perfect version

4个键盘测试程序 4个键盘测试程序-4 keyboard test procedure four keyboard test procedures

AT91SAM7S256开发板基础demo，已验证-AT91SAM7S256 development board based on demo, verified

单片机C源程序souce，内有单片机C语言很多源程序，-souce

一些关于单片机的芯片的功能介绍，具体主要是介绍AVR系列的特点及编程-Some information about the function of single-chip chip introduction, the specific AVR series mainly introduce the characteristics and programming

一种很有用的搜寻算法，对开发1-wire很有用-a very useful search algorithm, to the development of 1-wire useful

从RS232到PROFIBUS-DP的转换接口设计（终）.rar-from RS232 to PROFIBUS-DP Interface Design (end). Rar

51单片机数码管和按键处理驱动程序。可作为学习51的朋友参考。-for study 51 references.

关于MAX7219与TLC2543的数据采集系统-on MAX7219 and TLC2543 Data Acquisition System

本程序是一个简单的流水灯程序,对初学者来说是很容易掌握的,特别是对C51的初学者!--A simple water light program. It is easy to understand for beginners, especially who are learning C51.