{"id":7607,"date":"2017-11-18T20:10:05","date_gmt":"2017-11-18T19:10:05","guid":{"rendered":"http:\/\/agora.xtec.cat\/iesroquetes\/?p=7607"},"modified":"2017-11-18T20:10:05","modified_gmt":"2017-11-18T19:10:05","slug":"tecnologia-42-setmana-del-13-al-17-de-novembre","status":"publish","type":"post","link":"https:\/\/agora.xtec.cat\/iesroquetes\/general\/tecnologia-42-setmana-del-13-al-17-de-novembre\/","title":{"rendered":"Tecnologia 42 &#8211; Setmana del 13 al 17 de Novembre"},"content":{"rendered":"<p>Aquesta setmana a Tecnologia v\u00e0rem comen\u00e7ar a donar els senyals anal\u00f2gics. Hi ha varis tipus de senyals, els digitals; aquests envien ordres amb 1 o 0. \u00c9s a dir, en el cas d&#8217;un led, nom\u00e9s pot estar enc\u00e8s o apagat. I tamb\u00e9 estan els senyals anal\u00f2gics; \u00e9s a dir, s&#8217;envien ordres del 1 al\u00a0 255. Per tant, el led pot anar canviant la intensitat de la llum.<\/p>\n<p><a href=\"http:\/\/agora.xtec.cat\/iesroquetes\/wp-content\/uploads\/usu997\/2017\/11\/Materials.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-7612 alignnone\" src=\"http:\/\/agora.xtec.cat\/iesroquetes\/wp-content\/uploads\/usu997\/2017\/11\/Materials.jpg\" alt=\"\" width=\"211\" height=\"158\" srcset=\"https:\/\/agora.xtec.cat\/iesroquetes\/wp-content\/uploads\/usu997\/2017\/11\/Materials.jpg 512w, https:\/\/agora.xtec.cat\/iesroquetes\/wp-content\/uploads\/usu997\/2017\/11\/Materials-300x225.jpg 300w, https:\/\/agora.xtec.cat\/iesroquetes\/wp-content\/uploads\/usu997\/2017\/11\/Materials-200x150.jpg 200w\" sizes=\"auto, (max-width: 211px) 100vw, 211px\" \/><\/a><\/p>\n<p>Dels senyals anal\u00f2gics vam donar dues pr\u00e0ctiques. La primera consistia en utilitzar un potenci\u00f2metre, un component electr\u00f2nic\u00a0que acostuma a utilitzar-se com a divisor de tensi\u00f3, per controlar la velocitat a la que feia pampallugues el led de la placa. Per a aconseguir-ho, v\u00e0rem connectar el potenci\u00f2metre a la placa. I amb l&#8217;ajuda de cables, el vam enlla\u00e7ar a la corrent positiva, a la negativa i al pin.<a href=\"http:\/\/agora.xtec.cat\/iesroquetes\/wp-content\/uploads\/usu997\/2017\/11\/3.1.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-7610 alignright\" src=\"http:\/\/agora.xtec.cat\/iesroquetes\/wp-content\/uploads\/usu997\/2017\/11\/3.1.jpg\" alt=\"\" width=\"229\" height=\"172\" srcset=\"https:\/\/agora.xtec.cat\/iesroquetes\/wp-content\/uploads\/usu997\/2017\/11\/3.1.jpg 512w, https:\/\/agora.xtec.cat\/iesroquetes\/wp-content\/uploads\/usu997\/2017\/11\/3.1-300x225.jpg 300w, https:\/\/agora.xtec.cat\/iesroquetes\/wp-content\/uploads\/usu997\/2017\/11\/3.1-200x150.jpg 200w\" sizes=\"auto, (max-width: 229px) 100vw, 229px\" \/><\/a><\/p>\n<div style=\"width: 1920px;\" class=\"wp-video\"><!--[if lt IE 9]><script>document.createElement('video');<\/script><![endif]-->\n<video class=\"wp-video-shortcode\" id=\"video-7607-1\" width=\"1920\" height=\"1080\" loop=\"1\" autoplay=\"1\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"http:\/\/agora.xtec.cat\/iesroquetes\/wp-content\/uploads\/usu997\/2017\/11\/videoplayback.mp4?_=1\" \/><a href=\"http:\/\/agora.xtec.cat\/iesroquetes\/wp-content\/uploads\/usu997\/2017\/11\/videoplayback.mp4\">http:\/\/agora.xtec.cat\/iesroquetes\/wp-content\/uploads\/usu997\/2017\/11\/videoplayback.mp4<\/a><\/video><\/div>\n<p>En aquest v\u00eddeo podeu veure l&#8217;ampliaci\u00f3 de la primera pr\u00e0ctica. Es tractava d&#8217;utilitzar el potenci\u00f2metre com a interruptor del LED.<\/p>\n<p>La segona, tractava de canviar gradualment la intensitat lluminosa d&#8217;un led. Per\u00f2 aquesta vegada no vam usar un potenci\u00f2metre. Sin\u00f3 que vam fer servir el codi per donar-li les ordres que pertocaven.<\/p>\n<p><a href=\"http:\/\/agora.xtec.cat\/iesroquetes\/wp-content\/uploads\/usu997\/2017\/11\/3.2.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-7611 aligncenter\" src=\"http:\/\/agora.xtec.cat\/iesroquetes\/wp-content\/uploads\/usu997\/2017\/11\/3.2.jpg\" alt=\"\" width=\"291\" height=\"218\" srcset=\"https:\/\/agora.xtec.cat\/iesroquetes\/wp-content\/uploads\/usu997\/2017\/11\/3.2.jpg 512w, https:\/\/agora.xtec.cat\/iesroquetes\/wp-content\/uploads\/usu997\/2017\/11\/3.2-300x225.jpg 300w, https:\/\/agora.xtec.cat\/iesroquetes\/wp-content\/uploads\/usu997\/2017\/11\/3.2-200x150.jpg 200w\" sizes=\"auto, (max-width: 291px) 100vw, 291px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Aquesta setmana a Tecnologia v\u00e0rem comen\u00e7ar a donar els senyals anal\u00f2gics. Hi ha varis tipus de senyals, els digitals; aquests envien ordres amb 1 o 0. \u00c9s a dir, en el cas d&#8217;un led, nom\u00e9s pot estar enc\u00e8s o apagat. I tamb\u00e9 estan els senyals anal\u00f2gics; \u00e9s a dir, s&#8217;envien ordres del 1 al\u00a0 255. [&hellip;]<\/p>\n","protected":false},"author":129,"featured_media":7609,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[296,7,1,291,292],"tags":[313,134,136],"class_list":["post-7607","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-curs-17-18","category-eso-4","category-general","category-robotica","category-robotica-17-18","tag-ctc","tag-robotica","tag-tecnologia"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/agora.xtec.cat\/iesroquetes\/wp-json\/wp\/v2\/posts\/7607","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/agora.xtec.cat\/iesroquetes\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/agora.xtec.cat\/iesroquetes\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/iesroquetes\/wp-json\/wp\/v2\/users\/129"}],"replies":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/iesroquetes\/wp-json\/wp\/v2\/comments?post=7607"}],"version-history":[{"count":3,"href":"https:\/\/agora.xtec.cat\/iesroquetes\/wp-json\/wp\/v2\/posts\/7607\/revisions"}],"predecessor-version":[{"id":7618,"href":"https:\/\/agora.xtec.cat\/iesroquetes\/wp-json\/wp\/v2\/posts\/7607\/revisions\/7618"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/iesroquetes\/wp-json\/wp\/v2\/media\/7609"}],"wp:attachment":[{"href":"https:\/\/agora.xtec.cat\/iesroquetes\/wp-json\/wp\/v2\/media?parent=7607"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/agora.xtec.cat\/iesroquetes\/wp-json\/wp\/v2\/categories?post=7607"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/agora.xtec.cat\/iesroquetes\/wp-json\/wp\/v2\/tags?post=7607"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}