89C51的EEPROM代码

好久没来了,写个4*4键盘的程序把,基本上每行都有解释,很适合初学者-Long time did not come, write a 4* 4 keyboard procedure to basically have to explain each line, it is suitable for beginners

tc35 GSM模块与 51 单片机 通讯源文件 适合学习用-tc35 GSM module with 51 Single-Chip Communication source file suitable for learning to use

采用DS12C887做时钟，51控制，DS18B20采集，可以用作广告灯。很好用。-DS12C887 done using the clock, 51 control, DS18B20 collection, can be used for advertising lights. Good use.

系统讲解了51单片机,实用于初学者,可以很快入门-system on the 51 microcontroller, in the practical and beginners can quickly entry

4442逻辑加密IC卡读写底层C51程序，-4442 encryption logic IC Card Reader bottom C51 procedures,

很有用的一些从用代码 有keil编译实现的 可以-Useful to have some code from keil compiler can realize

基于18B20的多路温度采集系统-18B20-based Multi-channel temperature acquisition system based 18B20 Multi-channel temperature acquisition system based 18B20 Multi-channel temperature acquisition system based 18B20 Multi-channel temperature acquisition system

单片机控制按键显示芯片HD7279A，现象左移两位显示，C言版.rar-SCM button display chip HD7279A, the phenomenon of the left two show, C made version. Rar

本人at89c51snd1c主控IC增加了128*32点阵驱动显示，帮助MP3DIY者学习用-I at89c51snd1c control IC increased by 128* 32 dot matrix display drive to help those who learn MP3DIY

编辑音乐乐谱 通过单片机实现音乐编辑功能-Edit music notation through the single-chip realization of the music editing features