单片机串口通信以及步进电机的c语言程序，为学习单片机和嵌入式开发的人提供帮助...

51单片机实现红外键盘的解码，红外发射芯片61-51 single-chip implementation of the decoding infrared keyboard, infrared transmitter 6122

AT89S51,AT89S52,AT89S53单片机的引脚，内部组成结构详细资料说明。英文资料。-AT89S51, AT89S52, AT89S53 MCU pin, the internal composition of the structure of detailed information. And English languages.

一份非常完整的51单片机与P/S2键盘的通信程序，含有大量注释，不错的。-A very complete 51 SCM and P/S2 keyboard communication program, containing a large number of comments, good.

ATC89C51下开发的带万年历的电子钟设计，可设置4个闹钟-ATC89C51 developed under the electronic clock with calendar design, you can set 4 alarm clocks

周立功CanstartI的源程序包，包含头文件，子程序库，比较完整，好用-the source packet contains header files, subroutine library, more comprehensive and easier to use

lcd1602液晶的avr测试实例程序，带proteus仿真。winavr 编译-lcd1602 LCD avr the test sample program, with proteus simulation. Winavr compiler

这是一篇关于嵌入式系统的LCD液晶驱动程序的资料及源程序-This is an embedded system on the LCD driver and source of information

蛇形跑马灯加延时一般的程序-Marquee plus delay a routine procedure. . . . . . . . . . . . . . . . .

RS-485接口具有较强的抗干扰性，数据传输的距离较远，在一些应用中常常需要把RS-232标准的信号转换为RS-485的标准信号进传输。图中所示电路允许数据在RS-232/RS-485这两个不兼容的串行数据接口间传递。传输速度为480波特时，传输距离可达1750米。图中双RS-232收发器IC1将主机(PC)输出的RS-232电平转换为TTL电平，驱动高速RS-485收发器IC2 的输入，倒相器使IC2、IC3在受到起始位时被激活。-RS-485 trying to lay all the thoroughly bleed at the nose picking up the birthday 扰 fern cavity 强 ， Chu Huai basin cavity beat escapement for the birthday candle远Now ， Which instance, using Beckmannia中

sd卡 MMC卡 MCU读取源代码（全）-sd card MMC card MCU to read the source code (all)