无刷直流电动机需要多种电压电平来控制转速：0V 使电动机停转，5V 使电动机以最大转速运转，而在0V和5V之间的电压则使电动机以较低的转速运转...

初学jsp的程序最基本的介绍，适于初学者学习jsp程序；-Jsp beginner s introduction to the basic procedure is suitable for beginners to learn jsp procedures

 本系统基于 C8051F020 实现等精度的频率测量， 利用该单片机灵活的控制功能及速 度优势，大大提高了性能和测量精度。以往的测频都是采用高频段直接计数、低频段间接测周 的方法，其测量精度往往会随着被测频率的改变而受到影响。为了克服测频中高低频段测量精 度不等的缺陷，采用双计数器设计，实现等精度的频率测量。等精度的测量方法不但具有较高 的测量精度，而且在整个测频区域内保持恒定的测量精度。 

G729信源编译码C程序，实现ACELP语音编译码，希望对同仁有用-G729 codec C source program, realize ACELP speech codec, in the hope that useful Tongren

易语言开发的屏幕键盘.功能很强大，特别实用于编写对安全要求很高的软件。-Easy screen keyboard language development. Features a very powerful, especially useful in the preparation of the safety requirements of high software.

pc.c是移植于μCOS-II的PC服务代码（pc.c） 主要改动： 1、#include "includes.h"改为"config.h" 2、在屏幕上显示改为向UART0发送数据，在电脑上显示，影响的函数： PC_DispChar()、PC_DispClrCol()、PC_DispClrRow()、PC_DispClrScr()和PC_DispStr() 3、获取键值改为从UART0获取，影响的函数：PC_GetKey() 4、因为没有dos环境所作的修改，影响的函数： PC_DOSReturn()、PC_DOSSaveReturn()、PC_SetTickRate()（删除）、PC_VectGet()（删除）和 PC_VectSet（删除）。 5、因为定时器不同所作的修改，影响的函数： PC_ElapsedStart()和PC_ElapsedStop()。 6、因为实时时钟不同所作的修改，影响的函数：PC_GetDateTime()。-pc.c is transplanted COS-II PC service code (pc.c) major changes : 1,# include "includes.h" with "config.h" two, displayed on the screen changed to UART0 send data on the computer, the function : PC_DispChar (), PC_DispClrCol (), PC_DispClrRow (), PC_DispClrScr (), and PC_DispStr () 3, access keys to read from UART0 acquisition, the function : PC_GetKey () 4 because no dos environment changes, it will affect the function : PC_DOSReturn (), PC_DOSSaveReturn (), PC_SetTickRate () (deleted), PC_VectGet () (deleted) and PC_VectSet (deleted). 5, becaus

音乐格式转换工具，可以是此工具去完成你所需要的音乐格式相互转换，这样你可以在此工具下，听自己支持格式的歌曲-Music format conversion tools, this tool may be needed to complete your music format conversion, so that you can in this tool, the supported formats to listen to their songs

ROBODoc通过提取源码中的特定格式的注释块（specially formatted headers）并形成文档文件，文档文件的格式包括HTML, ASCII, XML DocBook, LaTeX或RTF 还能间接形成PDF 和HTML Help文档-ROBODoc By extracting the source code of the specific format of the comment block (specially formatted headers) and the formation of the document file, document file formats, including HTML, ASCII, XML DocBook, LaTeX, or RTF also an indirect form PDF and HTML Help documentation

基于VB.NET开发的与RS232串口通信的编程实例，适用于开发者参考-on VB.NET development and RS232 serial communication programming examples, application developers to reference

软件介绍：国内最完善功能最齐全的多级会员程序.主要功能涵盖所有多级会员管理所需,超强大会员自定义编辑功能-software introduced : the most sophisticated capabilities of the most complete multi-level membership procedures. The main function covers all multi-level members required for the management, super large members from the definition editing

16*16VHDL 程序,可作参考,大家互相学习-16* 16VHDL procedures, can be used for reference, we learn from each other