DataAdapter

用VC进行单片机的串口通讯，并进行数据采集，进行处理以后在PC端显示(VC MCU for serial communication, and data collection, processing beyond the PC to display)

利用stm32上自带的ad和da进行模数和数模转换实验(Use the built-in ad and da stm32 analog to digital and digital to analog conversion experiments)

说明：  两脉冲频率平均值计算 两脉冲频率平均值计算 两脉冲频率平均值计算(Two pulse frequency average of the two pulse frequency average of two average pulse frequency)

上位机通信-配合XTMonitor显示温度等(PC communication- with XTMonitor display temperature, etc.)

读写器与射频卡通信的设计采用RC522射频读写芯片与射频卡进行通信，符合ISO14443规范协议；硬件系统设计中主要有AVR单片机主控模块、电源模块、存储模块、外部时钟模块、LCD模块；软件系统设计采用C语言，遵循模块化和结构化编程模式，设计了射频卡操作程序、软关机与自动关机程序、LCD显示、串行Flash存储器、外部时钟等外部设备驱动程序。所设计的手持式读写器具备对MF1 S50、S70射频卡的读写、实时状态显示、系统在线升级以及关机等功能。(This handset can process the data offline or online, reading and writing from 10 cm far. This handset is low-power, miniature, modular design and so on. This article includes: the communication design between RF card and Reader, hardware system design and software systems design. The communication design between RF card and Reader used to RC522 RF chip control RF cards, in line with ISO14443 standard protocol Hardware system design mainly include AVR microcontroller control modules, power modules, memory modules, external clock modules, LCD modules Software system designed with C programming language, and follow the modular structure of the programming model, and has the RF card operation procedures, soft shutdown and automatic shutdown procedures, LCD display, serial Flash memory, an external clock, and other external device driver Procedures. The handset readers has the MF1 S50, S70 RF card reader function, real-time status display function, the system online update function and so)

51单片机考勤系统下位机程序，可以配合上位机软件实现考勤功能，将hex文件下载到51单片机即可使用(51 MCU control procedures can be achieved with the PC software attendance function, the hex file into the microcontroller 51 can be used)

单片机系统原理图 拥有各种功能 基本上能满足学生单片机学习开发应用(mcu perfect)

三电平SVPWM仿真,运行很好，三电平SVPWM仿真,运行很好，分享给大家( Three level SVPWM simulation, the operation is very good)

2014/3/12飞思卡尔光电组函数，线性ccd二值化成功，ccd控制舵机转角成功，直流电机成功，速度PID模块不成功，可以一战。(2014/3/12 Freescale photoelectric set of functions, linear ccd binary success, ccd control steering angle is successful, the success of the DC motor, the speed PID module fails, you can fight.)

MSP430红外解码驱动，占用了一个定时器资源。(MSP430 IR decoding drive, taking up a timer resources.)