{"id":22865,"date":"2021-01-15T12:26:30","date_gmt":"2021-01-15T11:26:30","guid":{"rendered":"https:\/\/agora.xtec.cat\/escolasaavedra\/?p=22865"},"modified":"2021-01-18T10:27:19","modified_gmt":"2021-01-18T09:27:19","slug":"investigant-sobre-eles-sensors-de-colors","status":"publish","type":"post","link":"https:\/\/agora.xtec.cat\/escolasaavedra\/general\/investigant-sobre-eles-sensors-de-colors\/","title":{"rendered":"Investigant sobre els sensors de colors"},"content":{"rendered":"<p>El projecte <a href=\"http:\/\/www.magnet.cat\" target=\"_blank\" rel=\"noopener noreferrer\">magnet<\/a> d&#8217;enguany sobre la llum ens ha portat de descobrir que la llum est\u00e0 formada per molts aspectes, un dels quals \u00e9s visible, per\u00f2 la resta no ho son per a l&#8217;ull hum\u00e0.<\/p>\n<p>L&#8217;aspectre visible de la llum t\u00e9 una freq\u00fc\u00e8ncia molt alta (10<sup>15<\/sup>), mesurada en Hz (Herzos), per\u00f2 el que realment ens importa \u00e9s que en podem veure les parts, que anomenem colors.<\/p>\n<p>Els colors de l&#8217;aspectre visible de la llum s\u00f3n els de l&#8217;Arc de sant Mart\u00ed, i podem dividir la llum per veure&#8217;n tots els colors que la formen amb el <a href=\"https:\/\/ca.wikipedia.org\/wiki\/Espectre_visible#\/media\/Fitxer:Prisma-lightSpectrum-goethe.gif\" target=\"_blank\" rel=\"noopener noreferrer\">Prisma de Goethe<\/a>.<\/p>\n<p>Per\u00f2 si els humans podem percebre els colors dels objectes \u00e9s per un fen\u00f2men que anomenem reflexi\u00f3 de la llum, fet pel qual, quan un raig de llum impacta sobre un objecte, aquest objecte rebutja part dels colors que formen la llum, la totalitat o els absorbeix tots. En funci\u00f3 dels colors que rebutgi, l&#8217;ull hum\u00e0 percebr\u00e0 aquell objecte d&#8217;un color o un altre. Per exemple, un tom\u00e0quet madur, absorbir\u00e0 tots els colors de la llum blanca i en rebutjar\u00e0 el vermell. \u00c9s per aquest fet que podem veure que el tom\u00e0quet \u00e9s madur, i per tant, vermell.<\/p>\n<p>Aix\u00ed doncs, si l&#8217;ull hum\u00e0 \u00e9s capa\u00e7 de percebre els colors dels objectes, podem utilitzar un sistema de sensors que facin aquesta mateixa operaci\u00f3 i puguin decidir quina reacci\u00f3 executar quan es trobin davant d&#8217;un objecte d&#8217;un determinat color?<\/p>\n<p>Aix\u00f2 \u00e9s el que han fet els alumnes de CS A i CS B aquesta setmana amb el kit de Lego Spike: construir una m\u00e0 rob\u00f2tica que nom\u00e9s reaccioni i tanqui la m`si es troba al davant un objecte d&#8217;un determinat color. Aix\u00ed doncs, aquesta m\u00e0 rob\u00f2tica nom\u00e9s agafar\u00e0 objectes, per exemple, grocs.<\/p>\n<p>Sorprenent, oi?<\/p>\n\r\n\t<div class=\"slideshow_container slideshow_container_style-light\" style=\"height: 300px; \" data-slideshow-id=\"22852\" data-style-name=\"style-light\" data-style-version=\"2.3.1\" >\r\n\r\n\t\t\t\t\t<div class=\"slideshow_loading_icon\"><\/div>\r\n\t\t\r\n\t\t<div class=\"slideshow_content\" style=\"display: none;\">\r\n\r\n\t\t\t<div class=\"slideshow_view\">\r\n\t\t\t\t<div class=\"slideshow_slide slideshow_slide_image\">\r\n\t\t\t\t\t\t\t\t\t\t\t<img src=\"https:\/\/agora.xtec.cat\/escolasaavedra\/wp-content\/uploads\/usu587\/2021\/01\/210115-CM-A-Sensor-de-color-amb-Lego-Spike-3.jpg\" alt=\"210115 CM-A Sensor de color amb Lego Spike (3)\" width=\"1632\" height=\"1224\" \/>\r\n\t\t\t\t\t\t\t\t\t\t<div class=\"slideshow_description_box slideshow_transparent\">\r\n\t\t\t\t\t\t<div class=\"slideshow_title\">210115 CM-A Sensor de color amb Lego Spike (3)<\/div>\t\t\t\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\r\n\t\t\t\t\t\t<div style=\"clear: both;\"><\/div><\/div><div class=\"slideshow_view\">\r\n\t\t\t\t<div class=\"slideshow_slide slideshow_slide_image\">\r\n\t\t\t\t\t\t\t\t\t\t\t<img src=\"https:\/\/agora.xtec.cat\/escolasaavedra\/wp-content\/uploads\/usu587\/2021\/01\/210115-CM-A-Sensor-de-color-amb-Lego-Spike-2.jpg\" alt=\"210115 CM-A Sensor de color amb Lego Spike (2)\" width=\"1632\" height=\"1224\" \/>\r\n\t\t\t\t\t\t\t\t\t\t<div class=\"slideshow_description_box slideshow_transparent\">\r\n\t\t\t\t\t\t<div class=\"slideshow_title\">210115 CM-A Sensor de color amb Lego Spike (2)<\/div>\t\t\t\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\r\n\t\t\t\t\t\t<div style=\"clear: both;\"><\/div><\/div><div class=\"slideshow_view\">\r\n\t\t\t\t<div class=\"slideshow_slide slideshow_slide_image\">\r\n\t\t\t\t\t\t\t\t\t\t\t<img src=\"https:\/\/agora.xtec.cat\/escolasaavedra\/wp-content\/uploads\/usu587\/2021\/01\/210115-CM-A-Sensor-de-color-amb-Lego-Spike-1.jpg\" alt=\"210115 CM-A Sensor de color amb Lego Spike (1)\" width=\"1632\" height=\"1224\" \/>\r\n\t\t\t\t\t\t\t\t\t\t<div class=\"slideshow_description_box slideshow_transparent\">\r\n\t\t\t\t\t\t<div class=\"slideshow_title\">210115 CM-A Sensor de color amb Lego Spike (1)<\/div>\t\t\t\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\r\n\t\t\t\t\t\t<div style=\"clear: both;\"><\/div><\/div><div class=\"slideshow_view\">\r\n\t\t\t\t<div class=\"slideshow_slide slideshow_slide_image\">\r\n\t\t\t\t\t\t\t\t\t\t\t<img src=\"https:\/\/agora.xtec.cat\/escolasaavedra\/wp-content\/uploads\/usu587\/2021\/01\/210114-CM-B-Sensor-de-color-amb-Lego-Spike-9.jpg\" alt=\"210114 CM-B Sensor de color amb Lego Spike (9)\" width=\"1632\" height=\"1224\" \/>\r\n\t\t\t\t\t\t\t\t\t\t<div class=\"slideshow_description_box slideshow_transparent\">\r\n\t\t\t\t\t\t<div class=\"slideshow_title\">210114 CM-B Sensor de color amb Lego Spike (9)<\/div>\t\t\t\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\r\n\t\t\t\t\t\t<div style=\"clear: both;\"><\/div><\/div><div class=\"slideshow_view\">\r\n\t\t\t\t<div class=\"slideshow_slide slideshow_slide_image\">\r\n\t\t\t\t\t\t\t\t\t\t\t<img src=\"https:\/\/agora.xtec.cat\/escolasaavedra\/wp-content\/uploads\/usu587\/2021\/01\/210114-CM-B-Sensor-de-color-amb-Lego-Spike-8.jpg\" alt=\"210114 CM-B Sensor de color amb Lego Spike (8)\" width=\"1632\" height=\"1224\" \/>\r\n\t\t\t\t\t\t\t\t\t\t<div class=\"slideshow_description_box slideshow_transparent\">\r\n\t\t\t\t\t\t<div class=\"slideshow_title\">210114 CM-B Sensor de color amb Lego Spike (8)<\/div>\t\t\t\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\r\n\t\t\t\t\t\t<div style=\"clear: both;\"><\/div><\/div><div class=\"slideshow_view\">\r\n\t\t\t\t<div class=\"slideshow_slide slideshow_slide_image\">\r\n\t\t\t\t\t\t\t\t\t\t\t<img src=\"https:\/\/agora.xtec.cat\/escolasaavedra\/wp-content\/uploads\/usu587\/2021\/01\/210114-CM-B-Sensor-de-color-amb-Lego-Spike-7.jpg\" alt=\"210114 CM-B Sensor de color amb Lego Spike (7)\" width=\"1632\" height=\"1224\" \/>\r\n\t\t\t\t\t\t\t\t\t\t<div class=\"slideshow_description_box slideshow_transparent\">\r\n\t\t\t\t\t\t<div class=\"slideshow_title\">210114 CM-B Sensor de color amb Lego Spike (7)<\/div>\t\t\t\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\r\n\t\t\t\t\t\t<div style=\"clear: both;\"><\/div><\/div><div class=\"slideshow_view\">\r\n\t\t\t\t<div class=\"slideshow_slide slideshow_slide_image\">\r\n\t\t\t\t\t\t\t\t\t\t\t<img src=\"https:\/\/agora.xtec.cat\/escolasaavedra\/wp-content\/uploads\/usu587\/2021\/01\/210114-CM-B-Sensor-de-color-amb-Lego-Spike-6.jpg\" alt=\"210114 CM-B Sensor de color amb Lego Spike (6)\" width=\"1632\" height=\"1224\" \/>\r\n\t\t\t\t\t\t\t\t\t\t<div class=\"slideshow_description_box slideshow_transparent\">\r\n\t\t\t\t\t\t<div class=\"slideshow_title\">210114 CM-B Sensor de color amb Lego Spike (6)<\/div>\t\t\t\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\r\n\t\t\t\t\t\t<div style=\"clear: both;\"><\/div><\/div><div class=\"slideshow_view\">\r\n\t\t\t\t<div class=\"slideshow_slide slideshow_slide_image\">\r\n\t\t\t\t\t\t\t\t\t\t\t<img src=\"https:\/\/agora.xtec.cat\/escolasaavedra\/wp-content\/uploads\/usu587\/2021\/01\/210114-CM-B-Sensor-de-color-amb-Lego-Spike-5.jpg\" alt=\"210114 CM-B Sensor de color amb Lego Spike (5)\" width=\"1632\" height=\"1224\" \/>\r\n\t\t\t\t\t\t\t\t\t\t<div class=\"slideshow_description_box slideshow_transparent\">\r\n\t\t\t\t\t\t<div class=\"slideshow_title\">210114 CM-B Sensor de color amb Lego Spike (5)<\/div>\t\t\t\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\r\n\t\t\t\t\t\t<div style=\"clear: both;\"><\/div><\/div><div class=\"slideshow_view\">\r\n\t\t\t\t<div class=\"slideshow_slide slideshow_slide_image\">\r\n\t\t\t\t\t\t\t\t\t\t\t<img src=\"https:\/\/agora.xtec.cat\/escolasaavedra\/wp-content\/uploads\/usu587\/2021\/01\/210114-CM-B-Sensor-de-color-amb-Lego-Spike-4.jpg\" alt=\"210114 CM-B Sensor de color amb Lego Spike (4)\" width=\"1632\" height=\"1224\" \/>\r\n\t\t\t\t\t\t\t\t\t\t<div class=\"slideshow_description_box slideshow_transparent\">\r\n\t\t\t\t\t\t<div class=\"slideshow_title\">210114 CM-B Sensor de color amb Lego Spike (4)<\/div>\t\t\t\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\r\n\t\t\t\t\t\t<div style=\"clear: both;\"><\/div><\/div><div class=\"slideshow_view\">\r\n\t\t\t\t<div class=\"slideshow_slide slideshow_slide_image\">\r\n\t\t\t\t\t\t\t\t\t\t\t<img src=\"https:\/\/agora.xtec.cat\/escolasaavedra\/wp-content\/uploads\/usu587\/2021\/01\/210114-CM-B-Sensor-de-color-amb-Lego-Spike-3.jpg\" alt=\"210114 CM-B Sensor de color amb Lego Spike (3)\" width=\"1632\" height=\"1224\" \/>\r\n\t\t\t\t\t\t\t\t\t\t<div class=\"slideshow_description_box slideshow_transparent\">\r\n\t\t\t\t\t\t<div class=\"slideshow_title\">210114 CM-B Sensor de color amb Lego Spike (3)<\/div>\t\t\t\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\r\n\t\t\t\t\t\t<div style=\"clear: both;\"><\/div><\/div><div class=\"slideshow_view\">\r\n\t\t\t\t<div class=\"slideshow_slide slideshow_slide_image\">\r\n\t\t\t\t\t\t\t\t\t\t\t<img src=\"https:\/\/agora.xtec.cat\/escolasaavedra\/wp-content\/uploads\/usu587\/2021\/01\/210114-CM-B-Sensor-de-color-amb-Lego-Spike-2.jpg\" alt=\"210114 CM-B Sensor de color amb Lego Spike (2)\" width=\"1632\" height=\"1224\" \/>\r\n\t\t\t\t\t\t\t\t\t\t<div class=\"slideshow_description_box slideshow_transparent\">\r\n\t\t\t\t\t\t<div class=\"slideshow_title\">210114 CM-B Sensor de color amb Lego Spike (2)<\/div>\t\t\t\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\r\n\t\t\t\t\t\t<div style=\"clear: both;\"><\/div><\/div><div class=\"slideshow_view\">\r\n\t\t\t\t<div class=\"slideshow_slide slideshow_slide_image\">\r\n\t\t\t\t\t\t\t\t\t\t\t<img src=\"https:\/\/agora.xtec.cat\/escolasaavedra\/wp-content\/uploads\/usu587\/2021\/01\/210114-CM-B-Sensor-de-color-amb-Lego-Spike-1.jpg\" alt=\"210114 CM-B Sensor de color amb Lego Spike (1)\" width=\"1632\" height=\"1224\" \/>\r\n\t\t\t\t\t\t\t\t\t\t<div class=\"slideshow_description_box slideshow_transparent\">\r\n\t\t\t\t\t\t<div class=\"slideshow_title\">210114 CM-B Sensor de color amb Lego Spike (1)<\/div>\t\t\t\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\r\n\t\t\t\t\t\t<div style=\"clear: both;\"><\/div><\/div>\r\n\t\t<\/div>\r\n\r\n\t\t<div class=\"slideshow_controlPanel slideshow_transparent\" style=\"display: none;\"><ul><li class=\"slideshow_togglePlay\" data-play-text=\"Visualitza\" data-pause-text=\"Pausa\"><\/li><\/ul><\/div>\r\n\r\n\t\t<div class=\"slideshow_button slideshow_previous slideshow_transparent\" role=\"button\" data-previous-text=\"Anterior\" style=\"display: none;\"><\/div>\r\n\t\t<div class=\"slideshow_button slideshow_next slideshow_transparent\" role=\"button\" data-next-text=\"Seg\u00fcent\" style=\"display: none;\"><\/div>\r\n\r\n\t\t<div class=\"slideshow_pagination\" style=\"display: none;\" data-go-to-text=\"V\u00e9s a la diapositiva\"><div class=\"slideshow_pagination_center\"><\/div><\/div>\r\n\r\n\t\t<!-- WordPress Slideshow Version 2.3.1 -->\r\n\r\n\t\t\t<\/div>\r\n\r\n\n","protected":false},"excerpt":{"rendered":"<p>Aix\u00f2 \u00e9s el que han fet els alumnes de CS A i CS B aquesta setmana amb el kit de Lego Spike: construir una m\u00e0 rob\u00f2tica que nom\u00e9s reaccioni i tanqui la m`si es troba al davant un objecte d&#8217;un determinat color. Aix\u00ed doncs, aquesta m\u00e0 rob\u00f2tica nom\u00e9s agafar\u00e0 objectes, per exemple, grocs.<\/p>\n","protected":false},"author":3,"featured_media":22860,"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":[14,15,26,27,1,235,4,233],"tags":[],"class_list":["post-22865","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-5e","category-6e","category-cicle-superior","category-ceip-saavedra","category-general","category-lego","category-portada","category-robotica"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/agora.xtec.cat\/escolasaavedra\/wp-json\/wp\/v2\/posts\/22865","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/agora.xtec.cat\/escolasaavedra\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/agora.xtec.cat\/escolasaavedra\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/escolasaavedra\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/escolasaavedra\/wp-json\/wp\/v2\/comments?post=22865"}],"version-history":[{"count":2,"href":"https:\/\/agora.xtec.cat\/escolasaavedra\/wp-json\/wp\/v2\/posts\/22865\/revisions"}],"predecessor-version":[{"id":22867,"href":"https:\/\/agora.xtec.cat\/escolasaavedra\/wp-json\/wp\/v2\/posts\/22865\/revisions\/22867"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/escolasaavedra\/wp-json\/wp\/v2\/media\/22860"}],"wp:attachment":[{"href":"https:\/\/agora.xtec.cat\/escolasaavedra\/wp-json\/wp\/v2\/media?parent=22865"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/agora.xtec.cat\/escolasaavedra\/wp-json\/wp\/v2\/categories?post=22865"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/agora.xtec.cat\/escolasaavedra\/wp-json\/wp\/v2\/tags?post=22865"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}