{"id":8015,"date":"2018-01-14T12:33:32","date_gmt":"2018-01-14T11:33:32","guid":{"rendered":"http:\/\/serveiseducatius.xtec.cat\/tarragones\/?p=8015"},"modified":"2018-01-14T19:36:14","modified_gmt":"2018-01-14T18:36:14","slug":"polsadors-i-leds","status":"publish","type":"post","link":"https:\/\/serveiseducatius.xtec.cat\/tarragones\/programes\/robotica\/polsadors-i-leds\/","title":{"rendered":"Polsadors i leds"},"content":{"rendered":"<p><iframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/u7JrOoQ3OxI\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<p><b>Material:\u00a0<\/b><br \/>\n1 tarja Arduino UNO, 1 polsador de membrana de 4 potes, 1 LED, 1 resist\u00e8ncia 100KOhms (pel polsador), 1 resist\u00e8ncia 220Ohms (pel LED), 1 breadboard, 7 cables Dupont.<\/p>\n<p><b>Descripci\u00f3:<\/b><br \/>\nUtilitza els ports 2 (polsador) i 3 (led)<br \/>\nEn aquest exercici es proposen dues concepcions de l&#8217;\u00fas del polsador:<\/p>\n<ul>\n<li>Utilitzar un bot\u00f3 de membrana de 4 potes com un polsador, de manera que en pr\u00e9mer el polsador el LED s&#8217;encengui un determinat temps i s&#8217;apagui autom\u00e0ticament.<\/li>\n<li>Utilitzar un bot\u00f3 de membrana de 4 potes com un interruptor, de manera que en pr\u00e9mer el polsador el LED s&#8217;encengui i mantingui aquest estat, per\u00f2 que en pr\u00e9mer una segona vegada s&#8217;apagui i tamb\u00e9 mantingui aquest estat.<br \/>\nPer aix\u00f2 ens caldr\u00e0 consultar l&#8217;estat del LED per negar-lo amb el s\u00edmbol &#8220;!&#8221;, de manera que si est\u00e0 enc\u00e8s s&#8217;apagui i si est\u00e0 apagat s&#8217;encengui.<br \/>\nTamb\u00e9 tenim en compte l&#8217;efecte &#8220;rebot&#8221; (el cas en que en pr\u00e9mer el polsador massa estona envia moltes vegades la mateixa senyal)<\/li>\n<\/ul>\n<p><b>Esquema:<\/b><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-8026 alignnone\" src=\"http:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2018\/01\/Polsador-com-a-polsador.jpg\" alt=\"\" width=\"800\" height=\"341\" srcset=\"https:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2018\/01\/Polsador-com-a-polsador.jpg 800w, https:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2018\/01\/Polsador-com-a-polsador-300x128.jpg 300w, https:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2018\/01\/Polsador-com-a-polsador-768x327.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<p><b>Programaci\u00f3 amb Arduino IDE:<br \/>\n<\/b><br \/>\n<i>1.- Utilitzar un polsador com a polsador<\/i><br \/>\n<script src=\"https:\/\/gist.github.com\/xgsxgs\/b28b4df45f0774584e6ba2602beba4d8.js\"><\/script><\/p>\n<p><i>2.- Utilitzar un polsador com a interruptor<\/i><br \/>\n<script src=\"https:\/\/gist.github.com\/xgsxgs\/eb0272d34414aead16fc502714109462.js\"><\/script><\/p>\n<p><b>Programaci\u00f3 amb mBlock:<\/b><\/p>\n<p><i>1.- Utilitzar un polsador com a polsador<\/i><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-8029 alignnone\" src=\"http:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2018\/01\/Polsador-com-a-polsador_mblock.jpg\" alt=\"\" width=\"366\" height=\"291\" srcset=\"https:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2018\/01\/Polsador-com-a-polsador_mblock.jpg 366w, https:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2018\/01\/Polsador-com-a-polsador_mblock-300x239.jpg 300w\" sizes=\"auto, (max-width: 366px) 100vw, 366px\" \/><\/p>\n<p><i>2.- Utilitzar un polsador com a interruptor<\/i><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-8030 alignnone\" src=\"http:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2018\/01\/Polsador-com-a-interruptor_mblock.jpg\" alt=\"\" width=\"372\" height=\"354\" srcset=\"https:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2018\/01\/Polsador-com-a-interruptor_mblock.jpg 372w, https:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2018\/01\/Polsador-com-a-interruptor_mblock-300x285.jpg 300w\" sizes=\"auto, (max-width: 372px) 100vw, 372px\" \/><\/p>\n<p><b>Desc\u00e0rregues:<\/b><\/p>\n<p><a href=\"http:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2018\/01\/robotica_polsadors_arduino-ide.zip\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2773 alignleft\" src=\"http:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2016\/12\/boto_descarregues_arduino.jpg\" alt=\"Leds en cascada per Arduino IDE\" width=\"200\" height=\"47\" \/><\/a> <a href=\"http:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2018\/01\/robotica_polsadors_mblock.zip\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2774 alignleft\" src=\"http:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2016\/12\/boto_descarregues_groc.jpg\" alt=\"Leds en cascada per mBlock\" width=\"200\" height=\"47\" \/><\/a> <a href=\"https:\/\/www.tinkercad.com\/things\/9ME3G4YOPsu\" target=\"_blank\" rel=\"noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2774 alignleft\" src=\"http:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2017\/11\/boto_descarregues_vermell.jpg\" width=\"200\" height=\"47\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><b>Ampliaci\u00f3:<\/b><\/p>\n<ul>\n<li>Luis Llamas &#8211; <a href=\"http:\/\/www.luisllamas.es\/2014\/09\/leer-un-pulsador-con-arduino\/\" target=\"_blank\" rel=\"noopener noreferrer\">Llegir un polsador amb Arduino<\/a><\/li>\n<li>Youtube &#8211; <a href=\"https:\/\/www.youtube.com\/watch?v=YWY_Is0L7fE\" target=\"_blank\" rel=\"noopener noreferrer\">Button and LED<\/a><\/li>\n<li>Youtube &#8211; <a href=\"https:\/\/www.youtube.com\/watch?v=ksNbEuhO4fU\" target=\"_blank\" rel=\"noopener noreferrer\">Control a led with a button<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Utilitzaci\u00f3 dels polsadors com a interruptors.<\/p>\n","protected":false},"author":1,"featured_media":8038,"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 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