配电网零序电流故障定位方法在PSCAD中的模型搭建zerosimulation

无线模块SIM300硬件设计最新资料V4.02。可供从事学习、开发无线通信有关人员参考。(SIM300_HD_V4.02.rar)

MSP430F169单片机矩阵键盘扫描程序，用一位共阳数码管显示(MSP430F169 microcontroller matrix keyboard scanning procedures, using a common anode LED display)

《无线通信系统仿真--C++实用模型》一书的配套源代码，里面包含了，通信系统的所有模块，对学习通信和C++有很好的借鉴()

利用stm32控制OV2640软件二值化采集数据，进行图像识别，可以操作机械臂打节奏大师(Use stm32 control OV2640 software binary data acquisition, image recognition, playing rhythm master manipulator can be operated)

说明：  一个特别好的modbus从机扫描程序，可以以RTU或ASCII方式通信以此来检验下位机。(A particularly good modbus slave scanner can communicate with RTU or ASCII way to test this lower position.)

28335的spwm输出，开环测试，三相spwm信号分别为epwm1~6，频率为20KHz(spwm output 28335, the open-loop test, three-phase spwm signals are epwm1 ~ 6, frequency 20KHz)

哈尔滨芯明天科技XE517系列压电陶瓷控制器配套上位机软件的开发例程，这个版本是VC6开发。发布时需要拷贝debug目录中的头文件和动态库文件到*.exe文件目录中。(Harbin XMT XE517 series of piezoelectric ceramic controller supporting PC software development routines, this version is VC6 development. When you need to copy the directory publishing debug header files and dynamic library files to*. Exe file directory.)

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)

单片机程序控制实现函数发生器的功能，在函数发生器中起主控制作用(SCM process control functions to achieve the function generator, function generator in the role play the main control)

GT400运动控制系统上位机轮廓插补控制程序(GT400 motion control system host computer contour interpolation control procedures)