key

直流斩波变化的仿真和一些参考文献 可以学习一下(The simulation of dc chopper change and some references can learn )

这个是9342的测试程序，已经调试OK，希望可以帮助有需要的朋友。(This is the 9225 test program has debugging OK, I hope to help a friend in need.)

MultiThread DB - ADO CMTDaoDatabase CMTDaoRecordset

3.2寸宝马LPC1768开发板LED屏的基础代码(3.2-inch BMW LPC1768 development board LED screen based code )

本书是“国际电气工程先进技术译丛”之一，该书分14章，介绍了各种大功率变频器的拓扑结构及原理、传动系统的组成，以及与此相关的各种先进控制策略。书中还同时详细地给出了多个专题的相关技术背景。可作为学术研究、产品开发等专业技术人员或产品工程师参考。介绍了大功率变频器及中压交流传动的最新发展技术，包括各种大功率变频器拓扑结构、脉冲调制方法、先进控制策略以及工业产品设计经验。包括250多个图表，对所有的主要理论和控制方法都给出了计算机仿真结果和试验波形。对实际产品设计和工业应用中各种问题，书中也进行了介绍。(This book is one of the "international electrical engineering advanced technology translations", the book chapter 14 points, this paper introduces all kinds of high-power inverter topology and principle, the components of the drive system, and the related all kinds of advanced control strategy.Is also given in detail in the book more than one project related technical background.Can be used as an academic research, product development and other professional and technical personnel, or product engineer reference.High-power inverter are introduced and the latest development of medium voltage ac drive technology, including all kinds of high power converter topology, pulse modulation methods, advanced control strategy and industrial product design experience., including more than 250 chart for all the major theories and control methods are the computer simulation results and experiment waveforms are given.For all kinds of problems in the actual product design and industrial application, th)

单片机SCM处理信号的自动聚焦系统，利用单片机SCMM控制光学镜头，实现自动聚焦功能， (MCU SCM processing a signal automatic focusing system, the use of the microcontroller the SCMM to control the optical lens, to achieve auto-focus function,)

固高运动控制卡源代码，内容详细，对入门运动控制的朋友非常有用。(gugao motion control card system source code, detailed content on the entry of the control of the movement of a friend is very helpful)

利用51单片机做电阻测量仪，实现按键设置阻值自动报警提示(The use of 51 single-chip resistance measuring instrument to achieve automatic alarm button to set the resistance)

数字电压表的源程序，可以实现实现测量电路的电压，精确到小数点后面三位数字。附带数字电压表的流程图(Digital voltage meter source, can be implemented to realize the voltage measurement circuit, down to the decimal point three digits.Attached flowchart of digital voltmeter)

crc校验的一种计算方式，可以用于网络协议或串口、can协议的校验位计算，有封装好的函数(A calculation crc check can be used for network protocols or serial port, can protocol parity bit calculation, there is a good function package)