{"id":34254,"date":"2024-07-25T08:13:52","date_gmt":"2024-07-25T06:13:52","guid":{"rendered":"https:\/\/projectes.xtec.cat\/pensament-computacional\/?post_type=nodes_recursos&#038;p=34254"},"modified":"2024-09-18T13:25:20","modified_gmt":"2024-09-18T11:25:20","slug":"radar-de-velocitat-per-a-vehicles-amb-microbit","status":"publish","type":"nodes_recursos","link":"https:\/\/projectes.xtec.cat\/pensament-computacional\/recursos\/radar-de-velocitat-per-a-vehicles-amb-microbit\/","title":{"rendered":"Radar de velocitat per a vehicles amb micro:bit"},"content":{"rendered":"\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-6 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-1 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"has-text-align-center has-small-font-size\"><a href=\"https:\/\/drive.google.com\/thumbnail?id=10L7m9vPaMxpU_XENWVwKPpdTAItp1R8X\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" src=\"https:\/\/drive.google.com\/thumbnail?id=10L7m9vPaMxpU_XENWVwKPpdTAItp1R8X\" alt=\"micro:bit\"><\/a><\/p>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-2 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"has-text-align-center has-small-font-size\"><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"has-text-align-center has-small-font-size\"><\/p>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-3 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"has-text-align-center has-small-font-size\"><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"has-text-align-center has-small-font-size\"><\/p>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-4 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"has-text-align-center has-small-font-size\"><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"has-text-align-center has-small-font-size\"><\/p>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-5 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column caixa2 is-layout-flow wp-block-column-is-layout-flow\">\n<h4 class=\"wp-block-heading has-text-align-center has-ast-global-color-5-color has-ast-global-color-0-background-color has-text-color has-background\" style=\"margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;padding-top:var(--wp--preset--spacing--30);padding-right:0;padding-bottom:var(--wp--preset--spacing--30);padding-left:0\"><strong>ESO<\/strong><\/h4>\n\n\n\n<h6 class=\"wp-block-heading has-text-align-center has-ast-global-color-1-color has-pale-cyan-blue-background-color has-text-color has-background has-small-font-size\" style=\"margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;padding-top:var(--wp--preset--spacing--20);padding-right:0;padding-bottom:var(--wp--preset--spacing--20);padding-left:0\"><strong>1r, 2n, 3r<\/strong><\/h6>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:15px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-getwid-tabs active-tab2 tablinks-active2\" data-active-tab=\"0\"><ul class=\"wp-block-getwid-tabs__nav-links\"><\/ul>\n<div class=\"wp-block-getwid-tabs__nav-link\"><span class=\"wp-block-getwid-tabs__title-wrapper\"><a href=\"#\"><span class=\"wp-block-getwid-tabs__title\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-1-color\"><strong>General<\/strong><\/mark><\/span><\/a><\/span><\/div><div class=\"wp-block-getwid-tabs__tab-content-wrapper\"><div class=\"wp-block-getwid-tabs__tab-content\">\n<div class=\"wp-block-getwid-section caixa2 getwid-margin-top-none\"><div class=\"wp-block-getwid-section__wrapper getwid-padding-top-none getwid-padding-left-none getwid-padding-right-none getwid-margin-left-none getwid-margin-right-none\"><div class=\"wp-block-getwid-section__inner-wrapper\"><div class=\"wp-block-getwid-section__background-holder\"><div class=\"wp-block-getwid-section__background\"><\/div><div class=\"wp-block-getwid-section__foreground\"><\/div><\/div><div class=\"wp-block-getwid-section__content\"><div class=\"wp-block-getwid-section__inner-content\">\n<h5 class=\"wp-block-heading has-pale-cyan-blue-background-color has-background\" style=\"margin-top:0;margin-bottom:0;padding-top:var(--wp--preset--spacing--30);padding-right:var(--wp--preset--spacing--30);padding-bottom:var(--wp--preset--spacing--30);padding-left:var(--wp--preset--spacing--30)\"><strong>Descripci\u00f3 de l&#8217;activitat<\/strong><\/h5>\n\n\n\n<p style=\"margin-top:var(--wp--preset--spacing--20);margin-right:0;margin-bottom:var(--wp--preset--spacing--20);margin-left:0;padding-top:var(--wp--preset--spacing--20);padding-right:var(--wp--preset--spacing--30);padding-bottom:var(--wp--preset--spacing--20);padding-left:var(--wp--preset--spacing--30)\">En aquesta activitat es planteja fer servir la placa micro:bit per poder calcular la velocitat mitjana de despla\u00e7ament d&#8217;un vehicle. Per dur a terme l&#8217;activitat, es construeix una pista on se situa un punt de sortida i un punt d&#8217;arribada, i es fa circular un vehicle entre aquests dos punts. La placa micro:bit mostrar\u00e0 autom\u00e0ticament a la pantalla de leds la velocitat a la qual ha circulat el vehicle.<\/p>\n<\/div><\/div><\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-getwid-section getwid-margin-top-none\"><div class=\"wp-block-getwid-section__wrapper getwid-padding-left-none getwid-padding-right-none getwid-margin-left-none getwid-margin-right-none\"><div class=\"wp-block-getwid-section__inner-wrapper\"><div class=\"wp-block-getwid-section__background-holder\"><div class=\"wp-block-getwid-section__background\"><\/div><div class=\"wp-block-getwid-section__foreground\"><\/div><\/div><div class=\"wp-block-getwid-section__content\"><div class=\"wp-block-getwid-section__inner-content\">\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div><\/div><\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h5 class=\"wp-block-heading has-pale-cyan-blue-background-color has-background\" style=\"margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;padding-top:var(--wp--preset--spacing--20);padding-right:var(--wp--preset--spacing--30);padding-bottom:var(--wp--preset--spacing--20);padding-left:var(--wp--preset--spacing--30)\"><strong>Material necessari<\/strong><\/h5>\n\n\n\n<div style=\"margin-top:0;margin-bottom:0;height:7px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-getwid-section getwid-margin-top-none getwid-margin-bottom-none\"><div class=\"wp-block-getwid-section__wrapper getwid-padding-top-none getwid-padding-bottom-none getwid-padding-left-none getwid-padding-right-none getwid-margin-left-none getwid-margin-right-none\"><div class=\"wp-block-getwid-section__inner-wrapper\"><div class=\"wp-block-getwid-section__background-holder\"><div class=\"wp-block-getwid-section__background has-background has-ast-global-color-5-background-color\"><\/div><div class=\"wp-block-getwid-section__foreground\"><\/div><\/div><div class=\"wp-block-getwid-section__content\"><div class=\"wp-block-getwid-section__inner-content\">\n<ul class=\"wp-block-list\">\n<li>Placa micro:bit<\/li>\n\n\n\n<li>Paper d&#8217;alumini<\/li>\n\n\n\n<li>Cart\u00f3 o cartolina<\/li>\n\n\n\n<li>Pistola amb cola termo fusible o cola<\/li>\n\n\n\n<li>4 cables cocodril<\/li>\n\n\n\n<li>Placa micro:bit<\/li>\n\n\n\n<li>Cotxe o vehicle de joguina per fer la prova de la velocitat<\/li>\n<\/ul>\n<\/div><\/div><\/div><\/div><\/div>\n\n\n\n<div style=\"height:2px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h5 class=\"wp-block-heading has-pale-cyan-blue-background-color has-background\" style=\"margin-top:0;margin-bottom:0;padding-top:var(--wp--preset--spacing--20);padding-right:var(--wp--preset--spacing--30);padding-bottom:var(--wp--preset--spacing--20);padding-left:var(--wp--preset--spacing--30)\"><strong>Orientacions pedag\u00f2giques<\/strong><\/h5>\n\n\n\n<p class=\"has-ast-global-color-5-background-color has-background\" style=\"margin-top:var(--wp--preset--spacing--20);margin-bottom:var(--wp--preset--spacing--20);padding-top:var(--wp--preset--spacing--20);padding-right:var(--wp--preset--spacing--30);padding-bottom:var(--wp--preset--spacing--20);padding-left:var(--wp--preset--spacing--30)\">Podeu introduir o repassar com es calcula la velocitat mitjana a partir de l&#8217;espai recorregut pel vehicle i el temps que triga a fer-lo. Organitzeu la classe en grups de treball en funci\u00f3 de les plaques micro:bit que tingueu disponibles.<br><\/p>\n\n\n\n<div style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30);height:2px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30);height:2px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h5 class=\"wp-block-heading has-pale-cyan-blue-background-color has-background\" style=\"margin-top:0;margin-bottom:0;padding-top:var(--wp--preset--spacing--20);padding-right:var(--wp--preset--spacing--30);padding-bottom:var(--wp--preset--spacing--20);padding-left:var(--wp--preset--spacing--30)\"><strong>Elements de programaci\u00f3<\/strong><\/h5>\n\n\n\n<div class=\"wp-block-columns has-ast-global-color-5-background-color has-background is-layout-flex wp-container-core-columns-is-layout-7 wp-block-columns-is-layout-flex\" style=\"margin-top:var(--wp--preset--spacing--20);margin-bottom:var(--wp--preset--spacing--20);padding-right:var(--wp--preset--spacing--30);padding-left:var(--wp--preset--spacing--30)\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p style=\"margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;padding-top:var(--wp--preset--spacing--20);padding-right:var(--wp--preset--spacing--20);padding-bottom:var(--wp--preset--spacing--20);padding-left:var(--wp--preset--spacing--20)\"><li>Seq\u00fc\u00e8ncies b\u00e0siques<\/li><\/p>\n\n\n\n<p style=\"margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;padding-top:0;padding-right:var(--wp--preset--spacing--20);padding-bottom:0;padding-left:var(--wp--preset--spacing--20)\"><li>Esdeveniments<\/li><\/p>\n\n\n\n<p style=\"margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;padding-top:0;padding-right:var(--wp--preset--spacing--20);padding-bottom:0;padding-left:var(--wp--preset--spacing--20)\"><li>Bucles<\/li><\/p>\n\n\n\n<p style=\"margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;padding-top:0;padding-right:var(--wp--preset--spacing--20);padding-bottom:0;padding-left:var(--wp--preset--spacing--20)\"><\/p>\n\n\n\n<p style=\"margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;padding-top:0;padding-right:var(--wp--preset--spacing--20);padding-bottom:0;padding-left:var(--wp--preset--spacing--20)\"><li>Operadors<\/li><\/p>\n\n\n\n<p style=\"margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;padding-top:0;padding-right:var(--wp--preset--spacing--20);padding-bottom:0;padding-left:var(--wp--preset--spacing--20)\"><li>Variables<\/li><\/p>\n\n\n\n<p style=\"margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;padding-top:0;padding-right:var(--wp--preset--spacing--20);padding-bottom:0;padding-left:var(--wp--preset--spacing--20)\"><\/p>\n\n\n\n<div style=\"height:5px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p style=\"margin-top:var(--wp--preset--spacing--20);margin-right:0;margin-bottom:var(--wp--preset--spacing--20);margin-left:0\"><\/p>\n\n\n\n<p style=\"margin-top:0;margin-right:0;margin-bottom:0;margin-left:0\"><\/p>\n\n\n\n<p style=\"margin-top:0;margin-right:0;margin-bottom:0;margin-left:0\"><li>Programaci\u00f3 per blocs textuals (verticals)<\/li><\/p>\n\n\n\n<p style=\"margin-top:0;margin-right:0;margin-bottom:0;margin-left:0\"><\/p>\n<\/div>\n<\/div>\n\n\n\n<div style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30);height:2px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h5 class=\"wp-block-heading has-pale-cyan-blue-background-color has-background\" style=\"margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;padding-top:var(--wp--preset--spacing--20);padding-right:var(--wp--preset--spacing--30);padding-bottom:var(--wp--preset--spacing--20);padding-left:var(--wp--preset--spacing--30)\"><strong>Eix | \u00c0rea | Mat\u00e8ria<\/strong><\/h5>\n\n\n\n<p class=\"has-ast-global-color-5-background-color has-background\" style=\"margin-top:var(--wp--preset--spacing--20);margin-bottom:var(--wp--preset--spacing--20);padding-top:var(--wp--preset--spacing--20);padding-right:var(--wp--preset--spacing--30);padding-bottom:var(--wp--preset--spacing--20);padding-left:var(--wp--preset--spacing--30)\">SEC &#8211; F\u00edsica i Qu\u00edmica || Matem\u00e0tiques<\/p>\n\n\n\n<div style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30);height:2px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h5 class=\"wp-block-heading has-pale-cyan-blue-background-color has-background\" style=\"margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;padding-top:var(--wp--preset--spacing--20);padding-right:var(--wp--preset--spacing--30);padding-bottom:var(--wp--preset--spacing--20);padding-left:var(--wp--preset--spacing--30)\"><strong>Compet\u00e8ncies espec\u00edfiques<\/strong><\/h5>\n\n\n\n<p class=\"has-ast-global-color-5-background-color has-background\" style=\"margin-top:var(--wp--preset--spacing--20);margin-right:0;margin-bottom:var(--wp--preset--spacing--20);margin-left:0;padding-top:var(--wp--preset--spacing--20);padding-right:var(--wp--preset--spacing--30);padding-bottom:var(--wp--preset--spacing--20);padding-left:var(--wp--preset--spacing--30)\"><strong>FQ CE03 &#8211; <\/strong>Generar, interpretar i validar dades i informaci\u00f3 en diferents formats i fonts, fent servir de manera adient el llenguatge cient\u00edfic espec\u00edfic de la f\u00edsica i la qu\u00edmica, i usar de manera responsable i segura el material de laboratori, per valorar el llenguatge cient\u00edfic com a eina universal de comunicaci\u00f3 i intercanvi de coneixement. || <strong>MA CE01 &#8211; <\/strong>Interpretar, modelitzar i resoldre situacions de la vida quotidiana, pr\u00f2pies de les matem\u00e0tiques i d\u2019altres \u00e0mbits del coneixement aplicant diferents estrat\u00e8gies i formes de raonament per explorar procediments i obtenir solucions.<\/p>\n\n\n\n<div style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30);height:2px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h5 class=\"wp-block-heading has-pale-cyan-blue-background-color has-background has-medium-font-size\" style=\"margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;padding-top:var(--wp--preset--spacing--20);padding-right:var(--wp--preset--spacing--30);padding-bottom:var(--wp--preset--spacing--20);padding-left:var(--wp--preset--spacing--30)\"><strong>Sabers<\/strong><\/h5>\n\n\n\n<p class=\"has-ast-global-color-5-background-color has-background\" style=\"margin-top:var(--wp--preset--spacing--20);margin-right:0;margin-bottom:var(--wp--preset--spacing--20);margin-left:0;padding-top:var(--wp--preset--spacing--20);padding-right:var(--wp--preset--spacing--30);padding-bottom:var(--wp--preset--spacing--20);padding-left:var(--wp--preset--spacing--30)\">Realitzaci\u00f3 d\u2019experiments relacionats amb els sistemes materials per con\u00e8ixer-ne i descriure\u2019n les propietats, la composici\u00f3 i la classificaci\u00f3.<\/p>\n\n\n\n<p style=\"text-align: right;\">\n    <img decoding=\"async\" style=\"height:22px!important;margin-left:3px;vertical-align:text-bottom;\" src=\"https:\/\/mirrors.creativecommons.org\/presskit\/icons\/cc.svg?ref=chooser-v1\" alt=\"\">\n    <img decoding=\"async\" style=\"height:22px!important;margin-left:3px;vertical-align:text-bottom;\" src=\"https:\/\/mirrors.creativecommons.org\/presskit\/icons\/by.svg?ref=chooser-v1\" alt=\"\">\n    <img decoding=\"async\" style=\"height:22px!important;margin-left:3px;vertical-align:text-bottom;\" src=\"https:\/\/mirrors.creativecommons.org\/presskit\/icons\/nc.svg?ref=chooser-v1\" alt=\"\">\n    <img decoding=\"async\" style=\"height:22px!important;margin-left:3px;vertical-align:text-bottom;\" src=\"https:\/\/mirrors.creativecommons.org\/presskit\/icons\/sa.svg?ref=chooser-v1\" alt=\"\">\n<\/p>\n<\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-getwid-tabs__nav-link\"><span class=\"wp-block-getwid-tabs__title-wrapper\"><a href=\"#\"><span class=\"wp-block-getwid-tabs__title\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-1-color\"><strong>Pas a pas<\/strong><\/mark><\/span><\/a><\/span><\/div><div class=\"wp-block-getwid-tabs__tab-content-wrapper\"><div class=\"wp-block-getwid-tabs__tab-content\">\n<p class=\"has-ast-global-color-5-background-color has-background\" style=\"padding-right:var(--wp--preset--spacing--30);padding-left:var(--wp--preset--spacing--30)\"><strong>Construcci\u00f3 de la pista<\/strong><br><b><br>1. <\/b>Talleu un cart\u00f3 a una llarg\u00e0ria aproximada de 100 cm (la pista est\u00e0 pensada per poder situar-se a sobre de dues taules de l&#8217;alumnat). L&#8217;amplada del cart\u00f3 haur\u00e0 de ser 15-20 cm.<br><b><br>2. <\/b>Amb paper d&#8217;alumini, constru\u00efu els punts d&#8217;inici i final. Per cada punt, situareu dos trossos de paper d&#8217;alumini de 4-5 cm, amb una separaci\u00f3 d&#8217;1-2 mm. \u00c9s molt important que deixeu aquesta separaci\u00f3 i que les tires no es toquin entre elles, perqu\u00e8 el dispositiu no funcionaria. Cada terminal ha d&#8217;anar connectat a un cable de cocodril que connectar\u00e0 amb els terminals de la placa micro:bit de la seg\u00fcent forma: <br><a href=\"https:\/\/edumet.cat\/areatac\/robotica\/get.php?id=1SWeYSqv4Kg6H-2lDXfH-uCamgH4EtXEO\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" style=\"display:block;margin:0 auto;margin-top:20px;max-width:500px;max-height:500px\" src=\"https:\/\/edumet.cat\/areatac\/robotica\/get.php?id=1SWeYSqv4Kg6H-2lDXfH-uCamgH4EtXEO\" alt=\"imatge de la pista i detall dels terminals\"><\/a> <a href=\"https:\/\/edumet.cat\/areatac\/robotica\/get.php?id=1DC-frJG7SBBmwuczWSB4Rc1iABEqiTGP\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" style=\"display:block;margin:0 auto;margin-top:20px;max-width:500px;max-height:500px\" src=\"https:\/\/edumet.cat\/areatac\/robotica\/get.php?id=1DC-frJG7SBBmwuczWSB4Rc1iABEqiTGP\" alt=\"circuit el\u00e8ctric\"><\/a> <br>Com es veu a la imatge, el punt inicial est\u00e0 connectat al pin 0 de la placa micro:bit i a terra (GND). El punt final est\u00e0 connectat al pin 1 i a terra. <br><b><br>3. <\/b>Per \u00faltim, caldr\u00e0 enganxar un tros de paper d&#8217;alumini en la part inferior del cotxe, amb suficient gruix per qu\u00e8 en passar per sobre dels punts inicials i final i entrar en el punt de separaci\u00f3 d&#8217;1 mm entre les dues l\u00e0mines d&#8217;alumini, produeixi el tancament del circuit, i per tant s&#8217;envi\u00ef un senyal a la placa que marcar\u00e0 l&#8217;inici o el final del recorregut. <a href=\"https:\/\/edumet.cat\/areatac\/robotica\/get.php?id=1YpOWvdqe2spr38JFtct9PkzOjtzOZKvb\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" style=\"display:block;margin:0 auto;margin-top:20px;max-width:500px;max-height:500px\" src=\"https:\/\/edumet.cat\/areatac\/robotica\/get.php?id=1YpOWvdqe2spr38JFtct9PkzOjtzOZKvb\" alt=\"paper d'alumini situat a la part inferior del cotxe\"><\/a><br><br><strong>Programaci\u00f3 de la placa<\/strong><br><br><b>1. <\/b>En iniciar la micro:bit, programareu un LED a la pantalla que confirmi que el programa s&#8217;est\u00e0 executant. D&#8217;aquesta manera, podeu entendre que la placa est\u00e0 llesta per mesurar la velocitat.<br><b><br>2. <\/b>Programareu la placa perqu\u00e8 es mostri una barra a l&#8217;esquerra (INICI) i una altra a la dreta (FINAL) en els moments que el cotxe passi per les respectives tires d&#8217;alumini. Per fer aix\u00f2, utilitzeu el bloc &#8220;En pressionar pin &#8230;.&#8221; que detectar\u00e0 quan hi ha un senyal en aquest pin (\u00e9s a dir, quan el cotxe passi per sobre).<br><b><br>3. <\/b>Com es veu a la imatge, en pr\u00e9mer el pin 0 comen\u00e7ar\u00e0 a comptar el temps i s&#8217;il\u00b7luminaran els LEDS de la barra esquerra. En pr\u00e9mer el pin 1 (FINAL) es marcar\u00e0 la barra dreta, i escriureu una f\u00f3rmula matem\u00e0tica, que resti el temps inicial del final i calculi l&#8217;interval de temps que ha transcorregut. Multiplicareu per 1.000, perqu\u00e8 la unitat de temps que detecta la micro:bit \u00e9s en mil\u00b7lisegons. <a href=\"https:\/\/edumet.cat\/areatac\/robotica\/get.php?id=1dvXeqVVDPB7HqJFAR6KGz43IZ_rB5TPs\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" style=\"display:block;margin:0 auto;margin-top:20px;max-width:500px;max-height:500px\" src=\"https:\/\/edumet.cat\/areatac\/robotica\/get.php?id=1dvXeqVVDPB7HqJFAR6KGz43IZ_rB5TPs\" alt=\"programa d'inici i registre de temps\"><\/a><br><b>4. <\/b>Per fer que la placa micro:bit calculi la velocitat mitjana, caldr\u00e0 que programeu la f\u00f3rmula matem\u00e0tica del c\u00e0lcul de la velocitat. Per fer aix\u00f2, programareu el bot\u00f3 &#8220;A&#8221; que calcular\u00e0 la velocitat dividint la dist\u00e0ncia recorreguda entre el temps transcorregut. Caldr\u00e0 que introdu\u00efu la dist\u00e0ncia manualment, despr\u00e9s de mesurar la dist\u00e0ncia entre el punt inicial i el final. A l&#8217;exemple la dist\u00e0ncia s\u00f3n 0,5 metres. <a href=\"https:\/\/edumet.cat\/areatac\/robotica\/get.php?id=1jr889IuMN6WSLk__vKcLDBoG9vf2-tpK\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" style=\"display:block;margin:0 auto;margin-top:20px;max-width:500px;max-height:500px\" src=\"https:\/\/edumet.cat\/areatac\/robotica\/get.php?id=1jr889IuMN6WSLk__vKcLDBoG9vf2-tpK\" alt=\"programaci\u00f3 per al c\u00e0lcul de la veliocitat\"><\/a> <br>Tamb\u00e9 programareu el bot\u00f3 &#8220;B&#8221; per qu\u00e8 en ser premut, ens posi tot els valors a 0 i reinici\u00ef la pantalla per poder tornar a mesurar un nou valor.<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-getwid-tabs__nav-link\"><span class=\"wp-block-getwid-tabs__title-wrapper\"><a href=\"#\"><span class=\"wp-block-getwid-tabs__title\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-1-color\"><strong>Desc\u00e0rregues i fitxa t\u00e8cnica<\/strong><\/mark><\/span><\/a><\/span><\/div><div class=\"wp-block-getwid-tabs__tab-content-wrapper\"><div class=\"wp-block-getwid-tabs__tab-content\">\n<p class=\"has-ast-global-color-5-background-color has-background\" style=\"padding-right:var(--wp--preset--spacing--30);padding-left:var(--wp--preset--spacing--30)\">&#8211; <a href=\"https:\/\/makecode.microbit.org\/10508-10544-46074-02401\">Enlla\u00e7 al programa<\/a><br>&#8211; <a href=\"https:\/\/projectes.xtec.cat\/digital\/equipaments-i-infraestructures\/robotica\/formacio-tecnica-robotica\/plaques-microcontroladores\/microbit\/\" target=\"_blank\" rel=\"noreferrer noopener\">Fitxa t\u00e8cnica de la placa micro:bit<\/a><\/p>\n<\/div><\/div>\n<\/div>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>En aquesta activitat farem servir la placa micro:bit per poder calcular la velocitat mitjana de despla\u00e7ament d&#8217;un vehicle.<\/p>\n","protected":false},"featured_media":34304,"template":"","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":"default","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":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center 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