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o</category><category>levando as</category><category>a</category><category>qualquer</category><category>filial</category><category>da</category><category>rede   www drogariasaopaulo com br    PRAC  http   www prac com br    Valvolândia  http   www valvolandia com br OBJ openExtra asp extra 9  Baterias</category><category>de</category><category>chumbo</category><category>ácido</category><category>Ex</category><category>no break     B</category><category>Celulares</category><category>e</category><category>carregadores    Claro  http   www claro com br    Motorola  http   www motorola rm com ecomoto br Oque aspx    Nokia  Urnas</category><category>de</category><category>coleta</category><category>onde</category><category>podem</category><category>ser</category><category>depositados</category><category>aparelhos</category><category>usados</category><category>ou</category><category>quebrados</category><category>além</category><category>de</category><category>baterias</category><category>pilhas</category><category>carregadores</category><category>e</category><category>chips</category><category>G</category><dc:creator xmlns:dc="http://purl.org/dc/elements/1.1/">admin</dc:creator><pubDate>Wed, 11 Nov 2009 03:01:24 PST</pubDate><guid isPermaLink="false">http://www.eletronica.com/?p=642</guid><description>DOAÇÃO DE COMPUTADORES E PERIFÉRICOS USADOS PARA MONTAGEM DE CENTROS DE INFORMÁTICA
ABRE – Associação Brasileira de Distribuição de Excedentes
http://www.abre-excedente.org.br
Recebe doações de diversos tipos de eletrônicos, como computadores e televisores e os distribui a entidades sociais. Tel: (11) 5052-0736
CDI – http://www.cdisaopaulo.org.br
O Comitê para Democratização da Informática é uma organização não-governamental sem fins lucrativos que, desde [...]
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o</category><category>de</category><category>produtos</category><category>finais     Circuitos</category><category>mais</category><category>baratos    Os</category><category>circuitos</category><category>integrados</category><category>ou</category><category>chips</category><category>s� o</category><category>fabricados</category><category>com</category><category>três</category><category>tipos</category><category>de</category><category>material</category><category>um</category><category>semicondutor</category><category>um</category><category>condutor</category><category>e</category><category>um</category><category>isolante</category><category>Materiais</category><category>semicondutores</category><category>e</category><category>isolantes</category><category>já</category><category>est� o</category><category>disponíveis</category><category>para</category><category>impress� o</category><category>direta</category><category>A</category><category>tinta</category><category>de</category><category>prata</category><category>vem</category><category>completar</category><category>o</category><category>elemento</category><category>que</category><category>faltava     Além</category><category>da</category><category>rapidez</category><category>da</category><category>impress� o</category><category>e</category><category>da</category><category>dispensa</category><category>da</category><category>construç� o</category><category>das</category><category>máscaras</category><category>fotolitográficas</category><category>necessárias</category><category>para</category><category>a</category><category>fabricaç� o</category><category>dos</category><category>chips</category><category>tradicionais</category><category>os</category><category>circuitos</category><category>eletrônicos</category><category>impressos</category><category>dispensam</category><category>as</category><category>salas</category><category>limpas</category><category>tudo</category><category>atuando</category><category>no</category><category>sentido</category><category>de</category><category>reduzir</category><category>o</category><category>custo</category><category>dos</category><category>chips</category><category>flexíveis     Segundo</category><category>a</category><category>Xerox</category><category>seus</category><category>engenheiros</category><category>aprimoraram</category><category>a</category><category>formulaç� o</category><category>da</category><category>tinta</category><category>de</category><category>forma</category><category>que</category><category>as</category><category>moléculas</category><category>de</category><category>prata</category><category>alinhem se</category><category>precisamente</category><category>por</category><category>um</category><category>processo</category><category>de</category><category>automontagem</category><category>alcançando</category><category>a</category><category>melhor</category><category>configuraç� o</category><category>para</category><category>conduzir</category><category>a</category><category>eletricidade</category><dc:creator xmlns:dc="http://purl.org/dc/elements/1.1/">admin</dc:creator><pubDate>Tue, 10 Nov 2009 02:49:44 PST</pubDate><guid isPermaLink="false">http://www.eletronica.com/?p=640</guid><description>Engenheiros da Xerox desenvolveram uma tinta de prata de baixo custo que permite a impressão de circuitos eletrônicos em vários tipos de substrato, com um custo muito inferior ao dos aparelhos eletrônicos tradicionais.
Produtos inteligentes
Circuitos eletrônicos impressos já estão permitindo a criação de telas flexíveis, mas o potencial da tecnologia vai muito além, com o potencial [...]
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&lt;a href="http://feedads.g.doubleclick.net/~a/PDoJT-BRY_KgiHL0SB32rOGXmX0/1/da"&gt;&lt;img src="http://feedads.g.doubleclick.net/~a/PDoJT-BRY_KgiHL0SB32rOGXmX0/1/di" border="0" ismap="true"&gt;&lt;/img&gt;&lt;/a&gt;&lt;/p&gt;</description><wfw:commentRss xmlns:wfw="http://wellformedweb.org/CommentAPI/">http://www.eletronica.com/tinta-de-prata-de-baixo-custo-que-permite-a-impressao-de-circuitos-eletronicos/feed/</wfw:commentRss><slash:comments xmlns:slash="http://purl.org/rss/1.0/modules/slash/">0</slash:comments></item><item><title>Forno microondas – como funciona e dicas de conserto</title><link>http://www.eletronica.com/forno-microondas-como-funciona-e-dicas-de-conserto/</link><category>Reparo e conserto</category><category>assistência técnica</category><category>componentes</category><category>informação</category><category>microondas</category><category>recuperação</category><category>reparo</category><category>rf</category><category>normalmente   2</category><category>Chave</category><category>secundária</category><category>Esta</category><category>n� o</category><category>dá</category><category>tanto</category><category>defeito</category><category>quanto</category><category>a</category><category>primária</category><category>devido</category><category>a</category><category>corrente</category><category>reduzida</category><category>que</category><category>passa</category><category>por</category><category>ela</category><category>Defeito</category><category>As</category><category>teclas</category><category>LIGA</category><category>do</category><category>painel</category><category>n� 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Abaixo</category><category>vemos</category><category>como</category><category>se</category><category>faz</category><category>cada</category><category>um</category><category>dos</category><category>testes</category><category>na</category><category>escala</category><category>de</category><category>X10K</category><category>do</category><category>multitester       Meça</category><category>os</category><category>dois</category><category>terminais</category><category>do</category><category>filamento</category><category>O</category><category>ponteiro</category><category>deve</category><category>ir</category><category>até</category><category>o</category><category>zero</category><category>Se</category><category>o</category><category>ponteiro</category><category>n� o</category><category>mexer</category><category>o</category><category>filamento</category><category>está</category><category>aberto</category><category>defeito</category><category>raro</category><category>Abra</category><category>a</category><category>tampa</category><category>traseira</category><category>do</category><category>magnetron</category><category>e</category><category>verifique</category><category>se</category><category>o</category><category>fio</category><category>do</category><category>filamento</category><category>n� o</category><category>escapou</category><category>do</category><category>terminal</category><category>Se</category><category>isto</category><category>ocorreu</category><category>basta</category><category>ressoldá lo</category><category>Agora</category><category>coloque</category><category>uma</category><category>ponta</category><category>no</category><category>filamento</category><category>e</category><category>a</category><category>outra</category><category>na</category><category>carcaça</category><category>O</category><category>ponteiro</category><category>n� o</category><category>deve</category><category>mexer</category><category>Se</category><category>o</category><category>ponteiro</category><category>mexer</category><category>o</category><category>magnetron</category><category>está</category><category>em</category><category>curto</category><category>e</category><category>deve</category><category>ser</category><category>trocado</category><dc:creator xmlns:dc="http://purl.org/dc/elements/1.1/">admin</dc:creator><pubDate>Mon, 09 Nov 2009 03:08:44 PST</pubDate><guid isPermaLink="false">http://www.eletronica.com/?p=637</guid><description>O Forno microondas é um aparelho que aquece o alimento através de uma radiação eletromagnética de 2.450 MHz. Esta radiação aumenta a vibração das moléculas de água (H2O) dos alimentos e desta forma eles aquecem de dentro para fora.


O principal componente de um forno microondas é uma válvula especial chamada &amp;#8220;magnetron&amp;#8221;. O magnetron produz a [...]
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&lt;a href="http://feedads.g.doubleclick.net/~a/OCPYWzyh_pOUsNWnkuii4fbgFIM/1/da"&gt;&lt;img src="http://feedads.g.doubleclick.net/~a/OCPYWzyh_pOUsNWnkuii4fbgFIM/1/di" border="0" ismap="true"&gt;&lt;/img&gt;&lt;/a&gt;&lt;/p&gt;</description><wfw:commentRss xmlns:wfw="http://wellformedweb.org/CommentAPI/">http://www.eletronica.com/gerador-caseiro/feed/</wfw:commentRss><slash:comments xmlns:slash="http://purl.org/rss/1.0/modules/slash/">0</slash:comments></item><item><title>Mochila com carregador solar</title><link>http://www.eletronica.com/mochila-com-carregador-solar/</link><category>tecnologia</category><category>Dicas</category><category>informação</category><category>Se</category><category>você</category><category>é</category><category>daqueles</category><category>que</category><category>dá</category><category>mais</category><category>importância</category><category>à</category><category>bateria</category><category>do</category><category>seu</category><category>gadget</category><category>do</category><category>que</category><category>ao</category><category>que</category><category>os</category><category>outros</category><category>v� o</category><category>falar</category><category>de</category><category>você</category><category>ent� o</category><category>talvez</category><category>se</category><category>interesse</category><category>por</category><category>esta</category><category>mochila</category><category>Com</category><category>a</category><category>Neubeur</category><category>Energy</category><category>Solar</category><category>Bag</category><category>você</category><category>terá</category><category>todos</category><category>seus</category><category>gadgets</category><category>sempre</category><category>carregados</category><category>por</category><category>onde</category><category>for</category><category>desde</category><category>que</category><category>saia</category><category>com</category><category>ela</category><category>por</category><category>aí</category><category>no</category><category>Sol      Mais        A</category><category>mochila</category><category>usa</category><category>tecnologia</category><category>de</category><category>painés</category><category>solares</category><category>de</category><category>plástico</category><category>flexível</category><category>levíssimos</category><category>que</category><category>fazem</category><category>dela</category><category>a</category><category>mochila carregador</category><category>mais</category><category>leve</category><category>do</category><category>mundo     A</category><category>Neubeur</category><category>está</category><category>a</category><category>venda</category><category>em</category><category>diversas</category><category>cores</category><category>e</category><category>vem</category><category>com</category><category>diversos</category><category>tipos</category><category>de</category><category>conexões</category><category>para</category><category>conectar</category><category>diversos</category><category>gadgets</category><category>como</category><category>celulares</category><category>câmeras</category><category>digitais</category><category>netbooks</category><category>etc</category><category>A</category><category>mochila</category><category>custa</category><category>99</category><category>Euros</category><category>aprox</category><category>R 280</category><category>e</category><category>está</category><category>a</category><category>venda</category><category>apenas</category><category>na</category><category>Europa</category><category>por</category><category>enquanto</category><dc:creator xmlns:dc="http://purl.org/dc/elements/1.1/">admin</dc:creator><pubDate>Sat, 07 Nov 2009 00:34:09 PST</pubDate><guid isPermaLink="false">http://www.eletronica.com/?p=634</guid><description>Se você é daqueles que dá mais importância à bateria do seu gadget do que ao que os outros vão falar de você, então talvez se interesse por esta mochila. Com a Neubeur Energy Solar Bag você terá todos seus gadgets sempre carregados por onde for, desde que saia com ela por aí no Sol.

A [...]
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&lt;a href="http://feedads.g.doubleclick.net/~a/8-xoNXu9sQAwKpVxqsDx-xl_xhE/1/da"&gt;&lt;img src="http://feedads.g.doubleclick.net/~a/8-xoNXu9sQAwKpVxqsDx-xl_xhE/1/di" border="0" ismap="true"&gt;&lt;/img&gt;&lt;/a&gt;&lt;/p&gt;</description><wfw:commentRss xmlns:wfw="http://wellformedweb.org/CommentAPI/">http://www.eletronica.com/mochila-com-carregador-solar/feed/</wfw:commentRss><slash:comments xmlns:slash="http://purl.org/rss/1.0/modules/slash/">0</slash:comments></item><item><title>Transmissor de FM alimentado via USB</title><link>http://www.eletronica.com/transmissor-de-fm-alimentado-via-usb/</link><category>Kits e Montagens</category><category>circuitos</category><category>esquemas</category><category>informatica</category><category>rf</category><category>transmissor</category><category>USB</category><category>Transmissor</category><category>de</category><category>FM</category><category>alimentado</category><category>via</category><category>USB</category><category>muito</category><category>simples</category><category>Apenas</category><category>alguns</category><category>componentes</category><category>eletrônicos</category><category>s� o</category><category>capazes</category><category>de</category><category>transmitir</category><category>na</category><category>banda</category><category>FM     Na</category><category>realidade</category><category>ele</category><category>é</category><category>um</category><category>kit</category><category>transmissor</category><category>FM</category><category>mas</category><category>segundo</category><category>as</category><category>descrições</category><category>no</category><category>site</category><category>ele</category><category>pode</category><category>ser</category><category>facilmente</category><category>montado</category><category>Transmissor</category><category>de</category><category>FM</category><category>alimentado</category><category>via</category><category>USB</category><category>muito</category><category>simples</category><category>Apenas</category><category>alguns</category><category>componentes</category><category>eletrônicos</category><category>s� o</category><category>capazes</category><category>de</category><category>transmitir</category><category>na</category><category>banda</category><category>FM     Na</category><category>realidade</category><category>ele</category><category>é</category><category>um</category><category>kit</category><category>transmissor</category><category>FM</category><category>mas</category><category>segundo</category><category>as</category><category>descrições</category><category>no</category><category>site</category><category>ele</category><category>pode</category><category>ser</category><category>facilmente</category><category>montado</category><category>Transmissor</category><category>de</category><category>FM</category><category>alimentado</category><category>via</category><category>USB</category><category>muito</category><category>simples</category><category>Apenas</category><category>alguns</category><category>componentes</category><category>eletrônicos</category><category>s� o</category><category>capazes</category><category>de</category><category>transmitir</category><category>na</category><category>banda</category><category>FM     Na</category><category>realidade</category><category>ele</category><category>é</category><category>um</category><category>kit</category><category>transmissor</category><category>FM</category><category>mas</category><category>segundo</category><category>as</category><category>descrições</category><category>no</category><category>site</category><category>ele</category><category>pode</category><category>ser</category><category>facilmente</category><category>montado</category><dc:creator xmlns:dc="http://purl.org/dc/elements/1.1/">admin</dc:creator><pubDate>Fri, 06 Nov 2009 00:07:47 PST</pubDate><guid isPermaLink="false">http://www.eletronica.com/?p=627</guid><description>Transmissor de FM alimentado via USB muito simples.  Apenas alguns componentes eletrônicos são capazes de transmitir na banda FM.
Na realidade ele é um kit transmissor FM, mas segundo as descrições no site ele pode ser facilmente montado.





Continuar lendo
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Pilha, célula galvânica, pilha galvânica ou ainda pilha voltaica é um dispositivo que utiliza reações de óxido-redução para converter energia química em energia elétrica. A reação química utilizada será sempre espontânea.

Neste dispositivo, têm-se dois eletrodos que são constituídos geralmente de metais diferentes, que fornecem a superfície na qual ocorrem as [...]
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