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      <title>Controle de Temperatura de Ferro de Solda by Rubem Melo</title>
      <link>https://padlet.com/rubemmello_2014/4jh2gurh87mo</link>
      <description>A</description>
      <language>en-us</language>
      <pubDate>2018-10-19 12:39:51 UTC</pubDate>
      <lastBuildDate>2025-02-21 21:34:22 UTC</lastBuildDate>
      <webMaster>hello@padlet.com</webMaster>
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      <item>
         <title>COMPONENTES:</title>
         <author>dhtamanini</author>
         <link>https://padlet.com/rubemmello_2014/4jh2gurh87mo/wish/294795049</link>
         <description><![CDATA[<div>- Bárbara <br>- Devalci<br>- Emily Rufino<br>- Rubem<br>- Êmilly Lourenço<br>- Izabelly Dalvi</div>]]></description>
         <enclosure url="" />
         <pubDate>2018-10-19 13:01:12 UTC</pubDate>
         <guid>https://padlet.com/rubemmello_2014/4jh2gurh87mo/wish/294795049</guid>
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      <item>
         <title>DESCRIÇÃO</title>
         <author>rubemmello_2014</author>
         <link>https://padlet.com/rubemmello_2014/4jh2gurh87mo/wish/294798735</link>
         <description><![CDATA[<div>1. O CONTROLADOR deverá ler e interpretar o sinal de tensão vindo do sensor de temperatura do ferro de solda (T).<br><br>2. O CONTROLADOR deverá sincronizar com a rede elétrica, através do circuito de cruzamentos por zero, para efetuar os disparos do SCR. Os disparos e o sincronismo são realizados por meio de opto acoplamentos.<br><br>3. O CONTROLADOR deverá realizar um controle P da temperatura do forno. Onde o mesmo deverá ajustar o ângulo de disparo do SCR em função do SetPoint (T = 100°C).<br><br>4. O CONTROLADOR deverá apresentar no display o <em>Status</em> do ferro de solda e temperatura atual deste.<br><br><em>Status</em>:<br>1. T(atual)&lt;T(SetPoint)<br>2. T(atual)==T(SetPoint)</div>]]></description>
         <enclosure url="" />
         <pubDate>2018-10-19 13:08:31 UTC</pubDate>
         <guid>https://padlet.com/rubemmello_2014/4jh2gurh87mo/wish/294798735</guid>
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      <item>
         <title></title>
         <author>rubemmello_2014</author>
         <link>https://padlet.com/rubemmello_2014/4jh2gurh87mo/wish/294808147</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://projetoseti.com.br/detector-de-passagem-por-zero/" />
         <pubDate>2018-10-19 13:27:00 UTC</pubDate>
         <guid>https://padlet.com/rubemmello_2014/4jh2gurh87mo/wish/294808147</guid>
      </item>
      <item>
         <title>O Famigerado 4n25</title>
         <author>dhtamanini</author>
         <link>https://padlet.com/rubemmello_2014/4jh2gurh87mo/wish/296896437</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://www.vishay.com/docs/83725/4n25.pdf" />
         <pubDate>2018-10-25 12:44:28 UTC</pubDate>
         <guid>https://padlet.com/rubemmello_2014/4jh2gurh87mo/wish/296896437</guid>
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      <item>
         <title>08/11 Parte I</title>
         <author>BarbaraElisiario</author>
         <link>https://padlet.com/rubemmello_2014/4jh2gurh87mo/wish/302006549</link>
         <description><![CDATA[<div>O circuito para detectar a passagem por zero já está montado. Precisamos elaborar o programa para detectar os zeros.<br><br></div>]]></description>
         <enclosure url="" />
         <pubDate>2018-11-08 12:36:12 UTC</pubDate>
         <guid>https://padlet.com/rubemmello_2014/4jh2gurh87mo/wish/302006549</guid>
      </item>
      <item>
         <title>PRINCÍPIO do 4n25</title>
         <author>BarbaraElisiario</author>
         <link>https://padlet.com/rubemmello_2014/4jh2gurh87mo/wish/302008740</link>
         <description><![CDATA[<div>O 4n25 funciona como um LED que quando brilha faz o transistor se comportar como uma chave fechada. Daí o sinal no arduino torna-se zero. É DISSO QUE PRECISAMOS!!!!</div>]]></description>
         <enclosure url="" />
         <pubDate>2018-11-08 12:42:43 UTC</pubDate>
         <guid>https://padlet.com/rubemmello_2014/4jh2gurh87mo/wish/302008740</guid>
      </item>
      <item>
         <title>TRIAC BT138</title>
         <author>BarbaraElisiario</author>
         <link>https://padlet.com/rubemmello_2014/4jh2gurh87mo/wish/302491935</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/289082836/d4c4c1057290d75081f65bb519609de6/datasheet.pdf" />
         <pubDate>2018-11-09 10:35:23 UTC</pubDate>
         <guid>https://padlet.com/rubemmello_2014/4jh2gurh87mo/wish/302491935</guid>
      </item>
      <item>
         <title>09/11</title>
         <author>BarbaraElisiario</author>
         <link>https://padlet.com/rubemmello_2014/4jh2gurh87mo/wish/302492263</link>
         <description><![CDATA[<div>Devido a problemas no circuito elétrico, tornou-se necessária sua modificação. Graças a nossa querida Netalianne, os problemas foram solucionados!!!</div>]]></description>
         <enclosure url="" />
         <pubDate>2018-11-09 10:36:37 UTC</pubDate>
         <guid>https://padlet.com/rubemmello_2014/4jh2gurh87mo/wish/302492263</guid>
      </item>
      <item>
         <title>Olha que coisa mais linda mais cheia de graça</title>
         <author>dhtamanini</author>
         <link>https://padlet.com/rubemmello_2014/4jh2gurh87mo/wish/302492701</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/287884308/3c81ad4ec49a6802b5933c08288df3a3/WhatsApp_Image_2018_11_09_at_08_36_53_1_.jpeg" />
         <pubDate>2018-11-09 10:38:30 UTC</pubDate>
         <guid>https://padlet.com/rubemmello_2014/4jh2gurh87mo/wish/302492701</guid>
      </item>
      <item>
         <title></title>
         <author>dhtamanini</author>
         <link>https://padlet.com/rubemmello_2014/4jh2gurh87mo/wish/302493520</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/287884308/0ee3e14dd9ca2639c1d034c65ebfd530/WhatsApp_Image_2018_11_09_at_08_36_53.jpeg" />
         <pubDate>2018-11-09 10:41:39 UTC</pubDate>
         <guid>https://padlet.com/rubemmello_2014/4jh2gurh87mo/wish/302493520</guid>
      </item>
      <item>
         <title></title>
         <author>dhtamanini</author>
         <link>https://padlet.com/rubemmello_2014/4jh2gurh87mo/wish/309698686</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/287884308/96093393c82763cb53a7a5e2085ecd2a/WhatsApp_Image_2018_11_30_at_08_02_41.jpeg" />
         <pubDate>2018-11-30 10:15:26 UTC</pubDate>
         <guid>https://padlet.com/rubemmello_2014/4jh2gurh87mo/wish/309698686</guid>
      </item>
      <item>
         <title>Circuito e inicio da programação</title>
         <author>emilysantosrufino</author>
         <link>https://padlet.com/rubemmello_2014/4jh2gurh87mo/wish/312022740</link>
         <description><![CDATA[<div>Fizemos algumas alterações no circuito, que funcionou corretamente, inclusive conseguimos detectar a passagem por 0, que era um dos objetivos principais. Começamos a implementar as interrupções na progeramação<br><br></div>]]></description>
         <enclosure url="" />
         <pubDate>2018-12-06 20:09:01 UTC</pubDate>
         <guid>https://padlet.com/rubemmello_2014/4jh2gurh87mo/wish/312022740</guid>
      </item>
      <item>
         <title>Circuito</title>
         <author>emilysantosrufino</author>
         <link>https://padlet.com/rubemmello_2014/4jh2gurh87mo/wish/312023480</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/287172374/3c1323189ab55e85457b273f9e38fa5d/ciurc.jpeg" />
         <pubDate>2018-12-06 20:10:38 UTC</pubDate>
         <guid>https://padlet.com/rubemmello_2014/4jh2gurh87mo/wish/312023480</guid>
      </item>
      <item>
         <title>Identificação da passagem por 0</title>
         <author>emilysantosrufino</author>
         <link>https://padlet.com/rubemmello_2014/4jh2gurh87mo/wish/312023733</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/287172374/f8928eb623aec49f79d7a4a73f4cc32f/passagem_por0.jpeg" />
         <pubDate>2018-12-06 20:11:18 UTC</pubDate>
         <guid>https://padlet.com/rubemmello_2014/4jh2gurh87mo/wish/312023733</guid>
      </item>
      <item>
         <title>Para revisar sobre TRIACS</title>
         <author>BarbaraElisiario</author>
         <link>https://padlet.com/rubemmello_2014/4jh2gurh87mo/wish/312188827</link>
         <description><![CDATA[]]></description>
         <enclosure url="http://www.newtoncbraga.com.br/index.php/como-funciona/15174-como-funciona-o-triac-art3977" />
         <pubDate>2018-12-07 12:13:28 UTC</pubDate>
         <guid>https://padlet.com/rubemmello_2014/4jh2gurh87mo/wish/312188827</guid>
      </item>
      <item>
         <title></title>
         <author>emillylourenco</author>
         <link>https://padlet.com/rubemmello_2014/4jh2gurh87mo/wish/313484901</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/289116351/d379c63c67865d2086116e6cc1d3fec3/IMG_20181207_100522807_HDR.jpg" />
         <pubDate>2018-12-11 16:36:16 UTC</pubDate>
         <guid>https://padlet.com/rubemmello_2014/4jh2gurh87mo/wish/313484901</guid>
      </item>
      <item>
         <title></title>
         <author>emillylourenco</author>
         <link>https://padlet.com/rubemmello_2014/4jh2gurh87mo/wish/313609645</link>
         <description><![CDATA[<div>Circuito ✔️</div>]]></description>
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         <pubDate>2018-12-11 20:12:39 UTC</pubDate>
         <guid>https://padlet.com/rubemmello_2014/4jh2gurh87mo/wish/313609645</guid>
      </item>
      <item>
         <title>Nota explicativa</title>
         <author>fabborto</author>
         <link>https://padlet.com/rubemmello_2014/4jh2gurh87mo/wish/314820209</link>
         <description><![CDATA[<div>Pessoal, parabéns pelo Padlet de vocês. Gostei muito dos posts! Não é bem melhor fazer um relatório dessa forma?</div>]]></description>
         <enclosure url="" />
         <pubDate>2018-12-14 20:25:32 UTC</pubDate>
         <guid>https://padlet.com/rubemmello_2014/4jh2gurh87mo/wish/314820209</guid>
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