1.2

单片机串口通信，可以在数码管上显示，还可以在超级终端上和调试助手上显示 (SCM serial communication, can be in digital tube display, and also can be in super terminal and debugging assistant on display)

ad9850驱动程序，欢迎下载，仅供参考(AD9850 driver)

stm32下跑通usb外设，编译环境基于keil(stm32 next run through usb peripherals, based on keil compiler environment)

NUC100最小系统！此包含48PIN和100PIN！(Support 8G SD card, personally TESTED!)

说明：  本文以第一视角讲述了移植FATFS文件系统的过程。其中遇到的困难，解决方案的寻找，原理的讲解，都能带给人许多启发(This paper describes the process of transplanting FATFS file system from the first perspective. The difficulties encountered, the search for solutions, and the explanation of the principles can give people a lot of inspiration.)

Arduino Nano板控制RF2051混频器，设置频点功能，用Aruino标准库的IO口控制(Arduino Nano board control RF2051 mixer, set the frequency function, with Aruino standard library IO port control)

详细介绍了利用PADS 9.5 实现原理图与PCB设计的方法和技巧。配合大量示意图，介绍了印制电路板设计流程和常用电路模块的PCB处理方法(The method and technique of using PADS 9.5 to realize schematic diagram and PCB design are introduced in detail. With a large number of schematic diagrams, the design process of printed circuit boards and the PCB processing methods of common circuit modules are introduced)

3231132213213132312311233312321(32312312132321321312312132)

单片机小车，点亮小车的LED灯，等一系列的功能，希望大家好用。(Microcontroller car, car lighting LED lights, and a series of functions, I hope we use.)

STM32F103实现控制DDS模块的功能，采用SPI通信的方式(STM32F103 realizes the function of controlling the DDS module and uses the SPI communication mode)