2FSK

PCI局部总线，对于做PCI卡的人来说，非常有帮助-PCI Local Bus, the PCI card to do people, very helpful

MCP23S08 SPI code test

互补滤波算法解析，利用加速度计和陀螺仪采集的数据，通过互补滤波算法实现对姿态的解算。(Complementary filtering algorithm analysis, the use of accelerometers and gyroscopes data collected through the complementary filter algorithm for solving attitude.)

程序产生一个随机数，游戏者输入数据进行猜测。治理员可输入密码，其中普通治理员只能获得答案，超级治理员获得答案并能修改普通治理员密码(Program generates a random number, the player to guess the input data. Administrator can enter a password, which the general administrator can only get answers, get answers and super administrator can modify the general administrator password)

升压斩波电路（Boost）的仿真 针对 Boost 变换电路，完成以下工作： （1） 在 MATLAB/SIMULINK 下搭建 Buck 电路仿真模型，并设置好各个模块的参数； （2） 分别选择 3 个不同的占空比，用示波器同时观察 E，uGE，i1，io，uo 以及电感两 端的电压 uL和流过电容的电流 iL的波形（注意频率的选择）。(Boost simulation model is built under MATLAB / SIMULINK, and the parameters of each module are set up. (2) Choose three different duty cycles and simultaneously observe E, uGE, i1, io, uo and inductance with an oscilloscope. Voltage UL at End and Current iL Waveform through Capacitor (Attention to Frequency Selection)

SVG多边形图片网格布局代码特效是一款通过SVG来将屏幕划分为多个多边形，每个多边形中设置一张背景图片。(SVG Polygon Picture Grid Layout Code is a special effect that divides the screen into multiple polygons through SVG, and sets a background picture in each polygon.)

一个非常流行的游戏，用C++开发的，适用于初学者学习与研究。-a very popular game, with C development and applicable to beginners learning and research.

说明：  单片机初学者必备，看看就知道，可以下载学习，很有帮助(SCM beginners essential to see to know, you can download learning helpful)

一款使用纯javascript制作的简单js计算器效果(Effect of a simple JS calculator using pure JavaScript)

一个可以运行的程序-a running program