89c51 Control I2C TV Source, there are circuits for your reference.

对充电过程进行更精确的监控，以缩短充电时间、达到最大的电池容量，并防止电池损坏-Charging process of a more precise control, so as to shorten the charging time to reach the largest battery capacity, and to prevent battery damage

595数码管驱动，用于51单片机，使用3个io口，串行驱动数码管-595 digital tube-driven, for 51 MCU, using 3 io port, serial driver digital tube

16*16点阵汉字显示，非常简单，应该是简明-16* 16 dot matrix Chinese character display

一个关于我自己写的单片机流水灯的的程序，希望对大家有用-A microcontroller to write about my own water lights of the procedures in the hope for all of us

用ATmega16实现的多功能带音乐闹铃（老鼠爱大米）的数字时钟，有3个功能键设置。具体功能为：秒表计时，闹铃音乐，时钟，校时设置。可以学习状态机的编程思想。-ATmega16 achieve with the music with multi-function alarm (Lao Shu Ai Da Mi) digital clock, There are three function keys installed. Specific functions : stopwatch time, the alarm music, the clock, setting up schools. State machine learning programming ideas.

ic卡水表c语言代码，ic卡水表的所有模块。-icmater.c

数字指南针的设计文档，全部详尽资料，拿到就可以开发-Digital compass design documents, all detailed information can be developed to get

波形发生器啊 可以产生方波，锯齿波 三角波 正弦波-Ah waveform generator can produce square wave, sawtooth wave sine triangle

能准确测量输入频率，配备相应的C语言程序。-An accurate measure of input frequency, with the corresponding C language procedure.

msp430F149 FLL模块程序，很好用-msp430F149 FLL module procedures, good use