ExpressPCB 是一款免费的PCB设计软件,简单实使。可以画双层板。 Our free PCB software is a snap to learn and use. For the first time, designing circuit boards is simple for the beginner and efficient for the professional. Our board manufacturing service makes top quality two and four layer PCBs. Use our MiniBoard service and pay only $51 for three boards (plus $8 shipping).
标签: ExpressPCB PCB 设计软件
上传时间: 2013-11-15
上传用户:lchjng
资料解释说明: CAD图纸看工具免安装版,free DWG Viewer VO.1版本,是免安装版本,下载后直接使用。迷你.高性能,完美中文字体显示,方便快捷是这款DWG/DXF查看软件的特色,完全满足您工作中看图的需要,而且是免费的,支持图层操作,动态实体信息提示,快速的图形显示,支持实体移动,缩放,操作方式和命令完全相同AutoCAD。但你不在需要去安装庞大的AutoCAD来看图纸了。目前版本支持DWG,DXF格式(v2.5-2006),后续版本将陆续加入编辑功能和支持AutoCAD2007版的DWG和DXF格式。
上传时间: 2014-11-22
上传用户:921005047
ExpressPCB 是一款免费的PCB设计软件,简单实使。可以画双层板。 Our free PCB software is a snap to learn and use. For the first time, designing circuit boards is simple for the beginner and efficient for the professional. Our board manufacturing service makes top quality two and four layer PCBs. Use our MiniBoard service and pay only $51 for three boards (plus $8 shipping).
标签: ExpressPCB PCB 设计软件
上传时间: 2013-10-09
上传用户:1047385479
资料解释说明: CAD图纸看工具免安装版,free DWG Viewer VO.1版本,是免安装版本,下载后直接使用。迷你.高性能,完美中文字体显示,方便快捷是这款DWG/DXF查看软件的特色,完全满足您工作中看图的需要,而且是免费的,支持图层操作,动态实体信息提示,快速的图形显示,支持实体移动,缩放,操作方式和命令完全相同AutoCAD。但你不在需要去安装庞大的AutoCAD来看图纸了。目前版本支持DWG,DXF格式(v2.5-2006),后续版本将陆续加入编辑功能和支持AutoCAD2007版的DWG和DXF格式。
上传时间: 2013-11-22
上传用户:909000580
USB接口控制器参考设计,xilinx提供VHDL代码 usb xilinx vhdl ; This program is free software; you can redistribute it and/or modify ; it under the terms of the GNU General Public License as published by ; the free Software Foundation; either version 2 of the License, or ; (at your option) any later version. ; ; This program is distributed in the hope that it will be useful, ; but WITHOUT ANY WARRANTY; without even the implied warranty of ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ; GNU General Public License for more details. ; ; You should have received a copy of the GNU General Public License ; along with this program; if not, write to the free Software ; Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
上传时间: 2013-10-29
上传用户:zhouchang199
Logger iButton devices have gained a lot of popularity with researchers. Although free evaluation software is easy to use and welldocumented, the choices and inputs that need to be made can sometimes be challenging. This application note explains technicalterms that are common with temperature logger iButtons and how they relate to each other. Additionally, it presents an algorithm tohelp users choose the necessary input parameters, including the sample rate based on a user's needs and the available memory tostore the data.
上传时间: 2013-11-16
上传用户:xywhw1
操作系统的内存管理,包括自己的alloc和free函数
上传时间: 2014-11-23
上传用户:lvzhr
JfreeChart 9.20的文档 需要用JAVA在网页上做统计图的东东,可惜虽是free的,但它的文档要收费,这是我好不容易在网上找到的9.2的文档,比这里以前那个文档的版本更新,并且以前那个版本在新版本里很多类都有变化,必须用这个文档才有用
标签: JfreeChart 9.20 JAVA 文档
上传时间: 2014-12-02
上传用户:rocketrevenge
4. If a modified source code is distributed, the original unmodified -- source code must also be included (or a link to the free IP web -- site). In the modified source code there must be clear -- identification of the modified version.
标签: source code distributed unmodified
上传时间: 2013-12-14
上传用户:qq1604324866
Copyright© 2004 Sergiu Dumitriu, Marta Gî rdea, Că tă lin Hriţ cu Permission is granted to copy, distribute and/or modify this document under the terms of the GNU free Documentation License, Version 1.2 or any later version published by the free Software Foundation with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled "GNU free Documentation License" All brand names, product names, or trademarks belong to their respective holders.
标签: Permission Copyright 259 Dumitriu
上传时间: 2015-04-02
上传用户:jackgao