一个AVR单片机的操作系统，有兴趣就看看吧

此为标准按键控件的C源代码,此为头文件此控件应用起来比较方便-this button controls for the standard C source code, which was the first such document control applications up more convenient

8051 control CF CARD

简易红外线发射程序 使用低频率的发射 利用红外线二极管来做-simple procedure using infrared emission of low-frequency transmitters do using infrared diode

此压缩文档包含了数个用VB语言开发的IC卡管理系统-This compressed file contains a number of development using VB language IC Card Management System

这不是源码，这是Protel99SE版本的 通用器件封装库，很多朋友在寻找-source, which is Protel99SE generic version of the device packaging for many friends in the search for

这是一个芯片资料,可以为单片机初学者提供一个认识芯片的文档.对学习单片机的同学有帮助-This is a chip data, we can provide an understanding of single-chip chip beginners document. MCU learning students have to help

详细介绍RS-485/422原理与区别、元件选择、参考电路、通讯规约、程序设计等方面的应用要点，以及在产品实践中总结出的一些经验、窍门-Detail the difference between theory and RS-485/422, component selection, reference circuits, communications statute, procedures for the application of design elements, as well as practice in the products sum up the experience, know-how

在proteus可以实现国际象棋功能！！ ！1-Proteus can be achieved in the chess features! ! ! 1

w77e58 双串口 液晶显示源程序 c语言编写-w77e58 dual serial LCD source language c

主要是对显示屏进行连接操作,屏幕大小为128:64,可以发送图片汉字到显示屏-Primarily to connect the operation display screen size of 128:64, you can send pictures of Chinese characters to display