double

研华数据采集的一个的demo文件，很好用，可以作为里程看，也可以作为现场采集数据的一个简单程序(Advantech data acquisition a demo file, very easy to use, you can see as mileage, can also be used as the data collected at the scene of a simple progra)

日本电波钟解码程序 接受长波信号并进行解码(JJY code)

手持振动仪，自动通过傅里叶变换，提取峰峰值，来自动调整震动的幅度，(Handheld vibration, automatic Fourier transform, peak extraction, to automatically adjust the amplitude of vibration,)

基于51的C语言频率计，内涵仿真图，以实现空能(Based on 51 C-language frequency meter, meaning simulation diagram, in order to achieve air can)

nRF51822低功耗蓝牙4.0资料和设计指导说明。(nRF51822 BLE bluetooth 4.0 desgin guide)

达内MFC例子集源码，内容涉及消息映射、工具栏的使用、状态栏操作、视图/窗口、动态创建未知类型的对象、MFC文档类作用、MFC单文档视图应用程序(SDI)、MFC多文档视图应用程序(MDI)、ATL组件编写、对话框的数据交换、MFC基本控件、列表 ListCtrl控件的使用等相关知识点，还有更多不一一列举了。(Set up the MFC source code examples, involving message mapping, using the toolbar, status bar operation, view/window dynamically create objects of unknown type, MFC document class action, MFC single document view application (SDI), MFC multi-document view of the application (MDI), ATL component preparation, data exchange dialog, MFC basic controls, such as a list of related knowledge ListCtrl use controls, and many more do not list them.)

A UDF of k epsilon model which can be used for modified turbulence modelling calculations with ansys fluent

AD9851驱动程序，采用串行写入方式，STM32写入频率控制字。(AD9851 driver, using serial write mode, STM32 write frequency control word.)

在51单片机上实现RS485通讯，能够实现与上位机的通信(RS485 mode on 51 single, able to communicate with the host computer)

AD9851中文资料，为pdf格式，资料比较详细，希望对需要者有所帮助。(AD9851 Chinese data)