这是一份Ｉ２Ｃ数据传输程序．自己写的，有识之士看看，

华为的印刷电路板（PCB）设计规范，程序编写规范等-Huawei’s printed circuit board (PCB) design specifications, programming specifications, etc.

利用单片机实现简单音乐发生器，可以尝试实践一下，比较简单-MCU use simple music generator, may try to practice that is relatively simple

首先再次声明我是菜鸟，我写出来的目的是给没有接触过lcd的朋友看得，我本人水平有限，错误在所难免，欢迎指出。-First of all, once again declare that I am a rookie, I write is designed to not come into contact with lcd friends to see, I am limited, error is inevitable, welcome to point out.

字模的提取程序,应用于单片机的小应用程序-Matrix extraction procedure, applied to small single-chip applications

用ATMEL AVR单片机开发的SD/MCC卡的程式-with ATMEL AVR development of the SD/MCC card programs

51单片机开发的等精度数字频率计，实现计数0--51 Single-chip, such as the development of precision digital frequency meter, realize counts 0--

ADC0809驱动程序，可以直接使用。 我在实验中已多次使用过。-ADC0809 driver can be used directly. In the experiment I have used.

低电压检测. A口低8位接键盘列线，键盘行线接VDDIO；B口高8位接LED // 按K1键 低电压为2.4v // 按K2键 低电压2.8v // 按K3键 低电压3.2v // 按K4键 低电压为3.6v

FM1702芯片开发板源码采用AT89C52单片机控制射频芯片1702可以用在水表电表等上面-FM1702 chip development board source control using AT89C52 1702 RF chip can use the meter to a meter above etc.

单片机的坐标128x64液晶KS0108驱动程序(C51编写）-MCU coordinates KS0108 128x64 LCD Driver (C51 preparation)