IIC总线的c语言程序，介绍 IIC总线的时序和操作方法

获取Sd卡ID，仅限参考，谢谢合作，也有不足之处请指正-Access to Sd card ID, only a reference, Thank you for your cooperation, but also the inadequacies please correct me

单片机最小系统，两位LED数码管由串口输出接两个164驱动，Lout,Rout为左右声道输出，SET， ALT0， ALT1为三个按键，也可自己在开始的I/O定义改成你想用的I/O口；12M晶振，若用89C51则只可装下约14首歌曲，用89C52则可装下近40曲-The smallest single-chip system, the two LED digital tube by the serial output driver 164 then two, Lout, Rout output for the left and right channels, SET, ALT0, ALT1 three buttons can also be their own at the beginning of the I/O definition change you want to use the I/O port 12M crystal, if one uses a 89C51 only loaded about 14 songs can be loaded with 89C52 under near 40

LCD-7279的经过调试多次已经能够实现在指定的位置显示特定的数据。 程序lcd1.c实现基本的功能，即：键盘输入0、1、2、3、4、5、6、7、8、9、acdef 在液晶的指定位置显示实现满屏或半屏显示点阵和字符，调入一幅图画的代码进行显示；-LCD-7279 after the repeated testing has been able to achieve the specified location-specific data. Lcd1.c procedures to achieve the basic functions, namely : the keyboard input 0, ,36.2. 8,9. a b c d e f in the designated location LCD realize Manping or semi-Screen Display and characters, transferred to a picture of the code display;

我下载了原有的文档，发现其中关于串口部分的波形缺失。我这份比较全。-I downloaded the original document, found on the serial port part of the waveform missing. I compared the whole.

很强大，很完整的，在单片机控制LED显示屏上玩俄罗斯方块-Very powerful, very complete, in SCM control LED display on the play Tetris ~ ~ ~ ~

电子屏字符显示器 电子设计， 解释清楚，一看即懂，简单明了 -E-Screen Character Display Electronic Design, explain clearly that one look to understand, simple to understand

多点烟雾,温度探测报警程序 基于MSP430F247,485总线.-More smoke and temperature detection alarm procedures based on the MSP430F247, 485 bus.

用AT89S52编写的12864显示的方波！-AT89S52 prepared with 12,864 square display!

8051单片机对八位LED显示芯片以及温度传感器芯片DS1620的驱动程序。-8051 of eight LED display chip and DS1620 temperature sensor chip drivers.

本程序是功能是实现51单片机与PC机之间的通信，程序简单-this is to tell how to use 51 single chip controler to communicate with pc