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基于51单片机的32和弦音乐盒程序，有曲目切换，音量调节，播放时间，步进电机驱动，流水灯等功能，是普通音乐的升级版本，且代码清晰，注释完整，结构合理。(Based on 51 single-chip 32 polyphonic music box procedures, switch tracks, adjust volume, play time, stepper motor drive, water lights and other functions, is an upgraded version of the ordinary music and clear code, comments, integrity, reasonable structure.)

说明：  138译码器，基于51单片机，使用汇编语言开发。(138 decoder, based on 51 single-chip, developed in assembly language.)

这是一个风力机的一模型，采用桨距角控制，设计了该系统的PI控制器。(This is a model of a wind turbine, using the pitch angle control, the PI controller design of the system.)

基于STC89C51RC的水平倾角XYZ检测仪(Horizontal dip XYZ detector STC89C51RC)

这是一个最新的EEMD处理单道ICA的问题的总结，有国外文章自带的源代码，简单好用。(Is a latest the EEMD processing single channel ICA problem the foreign article comes with source code, simple and easy to use.)

PWM motor control using pic 16F877 and simulation

STC89C52单片机获取DHT11温度传感器数据并显示于lcd1602液晶显示屏的详细代码，内附有ds18b20的获取代码(STC89C52 MCU gets data from sensor DHT11 ,and show in lcd1602.)

51单片机电子钟，模块化编程，利用单片机开发板实现电子钟功能，(Electronic clock)

10M网线与100M网线和1000M(千兆)网线做法! (10M of cable and the 100M network cable and 1000M (gigabit) cable practice!)

美国fortemedia消回音芯片FM2018SHI控制程序C 代码以及寄存器操作，可兼容FM1188.(American fortemedia echo cancellation chip FM2018SHI control procedures C code as well as register operation, compatible FM1188.)