usbshujvcaijixitongqudong

说明：  使用vb与衡河9140示波器连接，并控制采集一列脉冲数据，对数据进行分析，计算脉宽、积分面积、平均电压，并将波形通过picture控件显示在界面上(Using vb oscilloscope connected with the value for r. 9140, and a pulse control and data acquisition data, analyze data, calculate pulse width, integration area, average voltage, and waveform display in the interface through the picture controls on)

说明：  内有电路图和对应的程序，已经调试成功，能实现定时功能。(There are circuit diagrams and the corresponding procedures are debugging success, to achieve timing.)

c51单片机18B20+lcd1602显示 ，c51单片机18B20+lcd1602显示(18b20 for C51 and lcd1602)

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)

模拟版图的艺术，layout，区别于普通的pcb版图。属于微电子行业的设计，相关工具有laker、cadence等等(The art of analog layout, layout, layout pcb from ordinary. Belonging to the design of micro-electronics industry, the relevant tools laker, cadence, etc.)

实现用单片机控制直流电机调速功能，可用，有hex文件(Achieve MCU control DC motor speed control function is available, a hex file)

学4年来做过的竞赛以及老师的科研项目所积累下来的c51源代码，一共有40(4 years of study done as well as the Teacher of the competition accumulated research c51 source code, a total of 40)

STM32的USB上位机，动态库，STM32端原代码以及驱动程序(STM32USB，drive code)

说明：  8*8的矩阵键盘程序，是很好的代码喔。键盘程序采用的是查询的方式来写的喔。(8* 8 matrix keyboard procedures, is a very good code. The keyboard is used for writing.)

流水灯程序，在89C52的单片机上让LED灯按照顺序的逐个点亮(Light water program, 89C52 microcontroller on the LED lights lit one by one in the order of)