Modern electronic systems solve so many difficult problems that they often seem like magic. Nonetheless, these systems all have thesame basic limitation: they need a source of electrical power! Most of the time this is a straightforward challenge for the electronicdesigner, because there are many power-delivery solutions. Yet sometimes a device has no direct power source, and running wiresor replacing batteries is impractical. Even when long-life batteries are usable, they eventually need to be replaced, which requires aservice call.
標(biāo)簽： 能量收集
上傳時(shí)間： 2015-01-03
上傳用戶：zukfu
Abstract: How can an interface change a happy face to a sad face? Engineers have happy faces when an interface works properly.Sad faces indicate failure somewhere. Because interfaces between microprocessors and ICs are simple—even easy—they are oftenignored until interface failure causes sad faces all around. In this article, we discuss a common SPI error that can be almostimpossible to find in a large system. Links to interface tutorial information are provided for complete information. Noise as a systemissue and ICs to minimize its effects are also described.
上傳時(shí)間： 2013-11-18
上傳用戶：zgz317
There are many manufacturers of dot matrix LCD modules. However, most of these displaysare similar. They all have on-board controllers and drivers capable of displaying alpha numericsand a wide variety of other symbols (including Japanese "Katakana" characters). The internaloperation of LCD controller devices is determined by signals sent from a central processing unit(in this case, a CoolRunner-II CPLD).
標(biāo)簽： CoolRunner-II XAPP 904 LCD
上傳時(shí)間： 2013-12-17
上傳用戶：haiya2000
NOR和NAND是現(xiàn)在市場(chǎng)上兩種主要的非易失閃存技術(shù)。Intel于1988年首先開發(fā)出NOR flash技術(shù)，徹底改變了原先由EPROM和EEPROM一統(tǒng)天下的局面。緊接著，1989年，東芝公司發(fā)表了NAND flash結(jié)構(gòu)，強(qiáng)調(diào)降低每比特的成本，更高的性能，并且象磁盤一樣可以通過接口輕松升級(jí)。但是經(jīng)過了十多年之后，仍然有相當(dāng)多的硬件工程師分不清NOR和NAND閃存。
上傳時(shí)間： 2013-10-09
上傳用戶：haojiajt
It provides a base of DICT web service ( similar to DICT rfc2229) and create relative applications (server side,client side), they are all SOAP based.
標(biāo)簽： DICT applications provides relative
上傳時(shí)間： 2015-01-12
上傳用戶：alan-ee
It provides a base of DICT web service ( similar to DICT rfc2229) and create relative applications (server side,client side), they are all SOAP based.
標(biāo)簽： DICT applications provides relative
上傳時(shí)間： 2015-01-12
上傳用戶：TF2015
PhpDig is a search engine written in PHP that uses a MySQL database backend. It features indexing of both static and dynamic pages, spidering of almost all links in HTML content, in hrefs, areamaps, and frames, and full text indexing. The search results appearence is skin-able, using a very simple templates system. PhpDig是一個(gè)用PHP編寫的搜索引擎，它使用MySQL數(shù)據(jù)庫后臺(tái)。它的功能有靜態(tài)和動(dòng)態(tài)頁面索引，在HTML內(nèi)容中用hrefs, areamaps，和frames以及全文本索引構(gòu)成所有的鏈接網(wǎng)。搜索結(jié)果的外觀是可定制外觀的，使用一個(gè)非常簡(jiǎn)單的模板系統(tǒng)。
標(biāo)簽： database features indexing backend
上傳時(shí)間： 2014-01-03
上傳用戶：haohaoxuexi
Password Safe Password Safe is a password database utility. Users can keep their passwords securely encrypted on their computers. A single Safe Combination unlocks them all.
標(biāo)簽： Password Safe passwords database
上傳時(shí)間： 2015-01-19
上傳用戶：李彥東
This a separate release of the OpenSS7 X/Open XTI/TLI library, TLI modules (timod, tirdwr) and the INET driver (inet) that provides Unix98 compatible interface to Linux NET4 TCP/IP stacks, and all the necessary manpages and other documentation. Although these components are contained in our LiS and Linux Fast-STREAMS releases, this tarball configures, builds and installs these components separate from those releases.
標(biāo)簽： TLI the separate OpenSS7
上傳時(shí)間： 2015-03-12
上傳用戶：mikesering
This directory contains 3 file system modules: - file system ISO9660 iso9660.c iso9660.h - file system FAT12/16 fat.c fat.h - file system FAT32 fat32.c fat32.h file.c and file.h contains all high levels functions/macro/definition for your application. fs_variable.c contains all definitions of variables that can be shared with the all file systems. config.h must contain the definition of the file system used by your application.
標(biāo)簽： 9660 file system directory
上傳時(shí)間： 2015-03-15
上傳用戶：腳趾頭
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