{"id":503,"date":"2022-03-19T00:21:54","date_gmt":"2022-03-19T00:21:54","guid":{"rendered":"https:\/\/2022.robocupjunior.eu\/rcj\/?page_id=503"},"modified":"2022-05-31T17:32:34","modified_gmt":"2022-05-31T17:32:34","slug":"ofi-48-circuitos-de-eletronica-basicos","status":"publish","type":"page","link":"https:\/\/2022.robocupjunior.eu\/rcj\/index.php\/oficinas\/eletronica-e-algoritmos\/ofi-48-circuitos-de-eletronica-basicos\/","title":{"rendered":"Circuitos de Eletr\u00f3nica B\u00e1sicos"},"content":{"rendered":"\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:80%\"><figure class=\"wp-block-post-featured-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1336\" height=\"647\" src=\"https:\/\/2022.robocupjunior.eu\/rcj\/wp-content\/uploads\/2022\/03\/LED_ON_OFF.png\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"\" style=\"object-fit:cover;\" srcset=\"https:\/\/2022.robocupjunior.eu\/rcj\/wp-content\/uploads\/2022\/03\/LED_ON_OFF.png 1336w, https:\/\/2022.robocupjunior.eu\/rcj\/wp-content\/uploads\/2022\/03\/LED_ON_OFF-300x145.png 300w, https:\/\/2022.robocupjunior.eu\/rcj\/wp-content\/uploads\/2022\/03\/LED_ON_OFF-1024x496.png 1024w, https:\/\/2022.robocupjunior.eu\/rcj\/wp-content\/uploads\/2022\/03\/LED_ON_OFF-768x372.png 768w\" sizes=\"auto, (max-width: 1336px) 100vw, 1336px\" \/><\/figure><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;flex-basis:20%\">\n<!-- START Kaya QR Code Generator --><div class=\"wpkqcg_qrcode_wrapper\"><input type=\"hidden\" id=\"wpkqcg_qrcode_outputimg_6569d6e7e08d0f840_ecclevel\" value=\"L\" \/><input type=\"hidden\" id=\"wpkqcg_qrcode_outputimg_6569d6e7e08d0f840_size\" value=\"\" \/><input type=\"hidden\" id=\"wpkqcg_qrcode_outputimg_6569d6e7e08d0f840_color\" value=\"\" \/><input type=\"hidden\" id=\"wpkqcg_qrcode_outputimg_6569d6e7e08d0f840_bgcolor\" value=\"\" \/><input type=\"hidden\" id=\"wpkqcg_qrcode_outputimg_6569d6e7e08d0f840_content\" value=\"https:\/\/2022.robocupjunior.eu\/rcj\/index.php\/wp-json\/wp\/v2\/pages\/503\" \/><img decoding=\"async\" src=\"\" id=\"wpkqcg_qrcode_outputimg_6569d6e7e08d0f840\" alt=\"QR Code\" class=\"wpkqcg_qrcode\" style=\"width: auto; height: auto; max-width: 100%;\" ><div style=\"clear: none;\"><\/div><\/div><!-- END Kaya QR Code Generator -->\n<\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-post-title\">Circuitos de Eletr\u00f3nica B\u00e1sicos<\/h2>\n\n\n<p>Pode experimentar a constru\u00e7\u00e3o de alguns circuitos electr\u00f3nicos b\u00e1sicos em seguran\u00e7a, mesmo que n\u00e3o tenha experi\u00eancia ou conhecimentos anteriores.<\/p>\n\n\n\n<p><strong>Componentes:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>V\u00e1rios componentes electr\u00f3nicos incluindo LEDs, resist\u00eancias, baterias, interruptores, potenci\u00f3metros, condensadores, etc&#8230;<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"Princ\u00edpio-de-funcionamento:\">Princ\u00edpio de funcionamento:<\/h2>\n\n\n\n<p><strong>Lei de Ohm<\/strong><\/p>\n\n\n\n<p>A lei de Ohm afirma que a tens\u00e3o atrav\u00e9s de uma resist\u00eancia \u00e9 directamente proporcional \u00e0 corrente que flui atrav\u00e9s dela.<\/p>\n\n\n\n<p>Considerando que a resist\u00eancia el\u00e9ctrica do condutor permanece constante verifica-se a seguinte rela\u00e7\u00e3o:<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/2022.robocupjunior.eu\/rcj\/wp-content\/uploads\/2022\/03\/OhmLaw2.png\" alt=\"\" class=\"wp-image-495\" width=\"125\" height=\"95\"\/><\/figure>\n\n\n\n<p>onde R \u00e9 a resist\u00eancia em ohms (\u03a9), V \u00e9 a tens\u00e3o em volts (V), e I \u00e9 a corrente em amperes (A). Uma resist\u00eancia de 1 \u03a9 com uma corrente de 1 A tem uma diferen\u00e7a de tens\u00e3o de 1 V entre os seus terminais.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/2022.robocupjunior.eu\/rcj\/wp-content\/uploads\/2022\/03\/OhmLaw-1024x392.png\" alt=\"\" class=\"wp-image-494\" width=\"512\" height=\"196\" srcset=\"https:\/\/2022.robocupjunior.eu\/rcj\/wp-content\/uploads\/2022\/03\/OhmLaw-1024x392.png 1024w, https:\/\/2022.robocupjunior.eu\/rcj\/wp-content\/uploads\/2022\/03\/OhmLaw-300x115.png 300w, https:\/\/2022.robocupjunior.eu\/rcj\/wp-content\/uploads\/2022\/03\/OhmLaw-768x294.png 768w, https:\/\/2022.robocupjunior.eu\/rcj\/wp-content\/uploads\/2022\/03\/OhmLaw-1536x588.png 1536w, https:\/\/2022.robocupjunior.eu\/rcj\/wp-content\/uploads\/2022\/03\/OhmLaw-2048x784.png 2048w\" sizes=\"auto, (max-width: 512px) 100vw, 512px\" \/><\/figure>\n\n\n\n<p><strong>Resist\u00eancia<\/strong><\/p>\n\n\n\n<p>Uma resist\u00eancia \u00e9 um componente el\u00e9ctrico que provoca resist\u00eancia no fluxo da corrente. Podem ser encontrados em praticamente todas as redes el\u00e9ctricas e circuitos electr\u00f3nicos. A resist\u00eancia \u00e9 expressa em ohms (\u03a9).<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/2022.robocupjunior.eu\/rcj\/wp-content\/uploads\/2022\/03\/Resistor.png\" alt=\"\" class=\"wp-image-498\" width=\"319\" height=\"52\" srcset=\"https:\/\/2022.robocupjunior.eu\/rcj\/wp-content\/uploads\/2022\/03\/Resistor.png 638w, https:\/\/2022.robocupjunior.eu\/rcj\/wp-content\/uploads\/2022\/03\/Resistor-300x49.png 300w\" sizes=\"auto, (max-width: 319px) 100vw, 319px\" \/><figcaption>resist\u00eancia de 220 ohm<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"100\" src=\"https:\/\/2022.robocupjunior.eu\/rcj\/wp-content\/uploads\/2022\/03\/resistor-symbol.webp\" alt=\"\" class=\"wp-image-499\"\/><figcaption>s\u00edmbolo da resist\u00eancia<\/figcaption><\/figure>\n\n\n\n<p><strong>Potenci\u00f3metro<\/strong><\/p>\n\n\n\n<p>Um potenci\u00f3metro \u00e9 uma resist\u00eancia vari\u00e1vel com tr\u00eas terminais que pode ser ajustada manualmente. Dois dos terminais est\u00e3o ligados aos extremos opostos de um elemento resistivo, enquanto que o terceiro terminal est\u00e1 ligado a um cursor que se desloca sobre o elemento resistivo.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/2022.robocupjunior.eu\/rcj\/wp-content\/uploads\/2022\/03\/potentiometer.webp\" alt=\"\" class=\"wp-image-496\"\/><figcaption>potenci\u00f3metro<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"100\" src=\"https:\/\/2022.robocupjunior.eu\/rcj\/wp-content\/uploads\/2022\/03\/potentiometer-symbol.webp\" alt=\"\" class=\"wp-image-497\"\/><figcaption>s\u00edmbolo do potenci\u00f3metro<\/figcaption><\/figure>\n\n\n\n<p><strong>Condensador<\/strong><\/p>\n\n\n\n<p>Os condensadores s\u00e3o componentes el\u00e9ctricos que armazenam energia el\u00e9ctrica de uma forma passiva. Os condutores el\u00e9ctricos de um condensador s\u00e3o separados por um isolador &#8211; o diel\u00e9ctrico. S\u00e3o frequentemente utilizados em circuitos el\u00e9ctricos e podem ser utilizados para permitir a passagem de corrente alternada ou para suavizar uma sa\u00edda de alimenta\u00e7\u00e3o el\u00e9ctrica.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/2022.robocupjunior.eu\/rcj\/wp-content\/uploads\/2022\/03\/ceramic-capacitor.webp\" alt=\"\" class=\"wp-image-500\" width=\"401\" height=\"188\" srcset=\"https:\/\/2022.robocupjunior.eu\/rcj\/wp-content\/uploads\/2022\/03\/ceramic-capacitor.webp 534w, https:\/\/2022.robocupjunior.eu\/rcj\/wp-content\/uploads\/2022\/03\/ceramic-capacitor-300x140.webp 300w\" sizes=\"auto, (max-width: 401px) 100vw, 401px\" \/><figcaption>condensador<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/2022.robocupjunior.eu\/rcj\/wp-content\/uploads\/2022\/03\/capacitor_symbol2.png\" alt=\"\" class=\"wp-image-488\" width=\"109\" height=\"41\" srcset=\"https:\/\/2022.robocupjunior.eu\/rcj\/wp-content\/uploads\/2022\/03\/capacitor_symbol2.png 436w, https:\/\/2022.robocupjunior.eu\/rcj\/wp-content\/uploads\/2022\/03\/capacitor_symbol2-300x111.png 300w\" sizes=\"auto, (max-width: 109px) 100vw, 109px\" \/><figcaption>s\u00edmbolo do condensador<\/figcaption><\/figure>\n\n\n\n<p><strong>D\u00edodo emissor de luz &#8211; LED<\/strong><\/p>\n\n\n\n<p>Quando a corrente passa atrav\u00e9s de um d\u00edodo emissor de luz (LED), produz luz. Os electr\u00f5es recombinam-se com lacunas de electr\u00f5es no semicondutor, produzindo energia sob a forma de f\u00f3t\u00f5es. Os LEDs t\u00eam polaridade, um terminal positivo (\u00e2nodo +) e um terminal negativo (c\u00e1todo -). Tem de ser ligado da forma correcta para que funcione como pretendido.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/2022.robocupjunior.eu\/rcj\/wp-content\/uploads\/2022\/03\/LED.png\" alt=\"\" class=\"wp-image-490\" width=\"212\" height=\"216\"\/><figcaption>LED &#8211; D\u00edodo emissor de luz<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"236\" height=\"76\" src=\"https:\/\/2022.robocupjunior.eu\/rcj\/wp-content\/uploads\/2022\/03\/LED_symbol.png\" alt=\"\" class=\"wp-image-493\"\/><figcaption>s\u00edmbolo do LED<\/figcaption><\/figure>\n\n\n\n<p><strong>Circuito El\u00e9ctrico<\/strong><\/p>\n\n\n\n<p>Um circuito el\u00e9ctrico \u00e9 um caminho fechado que cont\u00e9m v\u00e1rios componentes, incluindo uma fonte de energia que permite a passagem de electr\u00f5es.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/2022.robocupjunior.eu\/rcj\/wp-content\/uploads\/2022\/03\/LED_Circuit.png\" alt=\"\" class=\"wp-image-491\" width=\"301\" height=\"208\" srcset=\"https:\/\/2022.robocupjunior.eu\/rcj\/wp-content\/uploads\/2022\/03\/LED_Circuit.png 602w, https:\/\/2022.robocupjunior.eu\/rcj\/wp-content\/uploads\/2022\/03\/LED_Circuit-300x207.png 300w\" sizes=\"auto, (max-width: 301px) 100vw, 301px\" \/><\/figure>\n\n\n\n<p><strong>Cart\u00e3o de Instru\u00e7\u00f5es<\/strong><\/p>\n\n\n\n<p>O cart\u00e3o de instru\u00e7\u00f5es cont\u00e9m todos os elementos necess\u00e1rios para que se possa montar e testar com sucesso um circuito electr\u00f3nico.<\/p>\n\n\n\n<p>Siga as instru\u00e7\u00f5es com muito cuidado e lembre-se de ligar a bateria s\u00f3 no final ap\u00f3s a verifica\u00e7\u00e3o do circuito.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/2022.robocupjunior.eu\/rcj\/wp-content\/uploads\/2022\/03\/Cartao_LED-1-770x1024.png\" alt=\"\" class=\"wp-image-501\" width=\"385\" height=\"512\" srcset=\"https:\/\/2022.robocupjunior.eu\/rcj\/wp-content\/uploads\/2022\/03\/Cartao_LED-1-770x1024.png 770w, https:\/\/2022.robocupjunior.eu\/rcj\/wp-content\/uploads\/2022\/03\/Cartao_LED-1-226x300.png 226w, https:\/\/2022.robocupjunior.eu\/rcj\/wp-content\/uploads\/2022\/03\/Cartao_LED-1-768x1021.png 768w, https:\/\/2022.robocupjunior.eu\/rcj\/wp-content\/uploads\/2022\/03\/Cartao_LED-1.png 801w\" sizes=\"auto, (max-width: 385px) 100vw, 385px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"Instru\u00e7\u00f5es:\">Instru\u00e7\u00f5es:<\/h2>\n\n\n\n<ol class=\"wp-block-list\"><li>Escolha um circuito<\/li><li>Recolha os componentes necess\u00e1rios<\/li><li>Monte o circuito<\/li><li>Pe\u00e7a a um supervisor para verificar as suas liga\u00e7\u00f5es<\/li><li>Ligue a bateria<\/li><li>Active e teste o circuito<\/li><\/ol>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"Links:\">Links:<\/h2>\n\n\n\n<p><a href=\"http:\/\/gt-mre.ufsc.br\/moodle\/course\/view.php?id=13&amp;section=1&amp;lang=en\">Course: Praticando: Lei de Ohm, Topic: Contextualiza\u00e7\u00e3o<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/eepower.com\/resistor-guide\/resistor-fundamentals\/what-is-a-resistor\/#\">What Is a Resistor? | Resistor Fundamentals | Resistor Guide<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/en.wikipedia.org\/wiki\/Light-emitting_diode\">Light-emitting diode<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Pode experimentar a constru\u00e7\u00e3o de alguns circuitos electr\u00f3nicos b\u00e1sicos em seguran\u00e7a, mesmo que n\u00e3o tenha experi\u00eancia ou conhecimentos anteriores. Componentes: V\u00e1rios componentes electr\u00f3nicos incluindo LEDs, resist\u00eancias, baterias, interruptores, potenci\u00f3metros, condensadores, etc&#8230; Princ\u00edpio de funcionamento: Lei de Ohm A lei de Ohm afirma que a tens\u00e3o atrav\u00e9s de uma resist\u00eancia \u00e9 directamente proporcional \u00e0 corrente que [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":492,"parent":245,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-503","page","type-page","status-publish","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/2022.robocupjunior.eu\/rcj\/index.php\/wp-json\/wp\/v2\/pages\/503","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/2022.robocupjunior.eu\/rcj\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/2022.robocupjunior.eu\/rcj\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/2022.robocupjunior.eu\/rcj\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/2022.robocupjunior.eu\/rcj\/index.php\/wp-json\/wp\/v2\/comments?post=503"}],"version-history":[{"count":6,"href":"https:\/\/2022.robocupjunior.eu\/rcj\/index.php\/wp-json\/wp\/v2\/pages\/503\/revisions"}],"predecessor-version":[{"id":899,"href":"https:\/\/2022.robocupjunior.eu\/rcj\/index.php\/wp-json\/wp\/v2\/pages\/503\/revisions\/899"}],"up":[{"embeddable":true,"href":"https:\/\/2022.robocupjunior.eu\/rcj\/index.php\/wp-json\/wp\/v2\/pages\/245"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/2022.robocupjunior.eu\/rcj\/index.php\/wp-json\/wp\/v2\/media\/492"}],"wp:attachment":[{"href":"https:\/\/2022.robocupjunior.eu\/rcj\/index.php\/wp-json\/wp\/v2\/media?parent=503"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}