{"id":33179,"date":"2024-07-15T09:02:00","date_gmt":"2024-07-15T07:02:00","guid":{"rendered":"https:\/\/projectes.xtec.cat\/pensament-computacional\/?post_type=nodes_recursos&#038;p=33179"},"modified":"2024-09-18T12:59:01","modified_gmt":"2024-09-18T10:59:01","slug":"detector-dhumitat-a-les-plantes-amb-microbit","status":"publish","type":"nodes_recursos","link":"https:\/\/projectes.xtec.cat\/pensament-computacional\/recursos\/detector-dhumitat-a-les-plantes-amb-microbit\/","title":{"rendered":"Detector d&#8217;humitat a les plantes 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\"><a href=\"https:\/\/drive.google.com\/thumbnail?id=1OJEo57IrzqM7rQpi7DQccrIhY-ya0PYi\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" src=\"https:\/\/drive.google.com\/thumbnail?id=1OJEo57IrzqM7rQpi7DQccrIhY-ya0PYi\" alt=\"micro:bit + micro:shield\"><\/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-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 farem un detector d&#8217;humitat que ens mostri si una planta necessita ser regada. Mitjan\u00e7ant una tira de LED podrem mostrar un color diferent en funci\u00f3 de l&#8217;estat d&#8217;humitat del terra de la planta; Vermell indica poca humitat i Blau indica que el terra t\u00e9 la humitat correcta.<br><br>L&#8217;activitat es pot desenvolupar en el context de les causes i conseq\u00fc\u00e8ncies del canvi clim\u00e0tic, en els ecosistemes i la vida de les persones (ODS 15. Vida terrestre).<\/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 style=\"padding-top:var(--wp--preset--spacing--20);padding-bottom:var(--wp--preset--spacing--20)\">Placa micro:bit<\/li>\n\n\n\n<li style=\"padding-top:var(--wp--preset--spacing--20);padding-bottom:var(--wp--preset--spacing--20)\">Placa d&#8217;extensi\u00f3 micro:shield<\/li>\n\n\n\n<li style=\"padding-top:var(--wp--preset--spacing--20);padding-bottom:var(--wp--preset--spacing--20)\">Una planta<\/li>\n\n\n\n<li style=\"padding-top:var(--wp--preset--spacing--20);padding-bottom:var(--wp--preset--spacing--20)\">Tira de leds<\/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)\">Es pot variar aquesta programaci\u00f3 posant un valor intermedi al condicional (color taronja). D&#8217;aquesta manera podem detectar que el valor d&#8217;humitat ha baixat sense arribar a ser un valor cr\u00edtic (vermell). Tamb\u00e9 es poden programar alarmes sonores, variar el parpelleig de les tires LED per fer una il\u00b7luminaci\u00f3 ambiental, etc. En cas de voler fer un sistema de reg autom\u00e0tic, es pot incorporar un dip\u00f2sit d&#8217;aigua amb una bomba que s&#8217;activi en el cas de detectar un nivell d&#8217;humitat baix.<\/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)\"><\/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)\"><\/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>Condicionals<\/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>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; Biologia i Geologia | F\u00edsica i Qu\u00edmica | Ci\u00e8ncies socials: Geografia i Hist\u00f2ria<\/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>BG CE04 &#8211;<\/strong> Fer servir diverses formes de raonament, com el pensament hipoteticodeductiu i el pensament computacional, per resoldre problemes o donar explicaci\u00f3 a fen\u00f2mens naturals i processos de la vida quotidiana relacionats amb la biologia i la geologia, mitjan\u00e7ant l\u2019an\u00e0lisi cr\u00edtica de les respostes i solucions i reformulant el procediment, si fos necessari. || <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>GH CE09 <\/strong>&#8211; Valorar cr\u00edticament les din\u00e0miques d\u2019interdepend\u00e8ncia entre diferents factors dins un m\u00f3n globalitzat i les desigualtats i conflictes que es generen, i relacionar les problem\u00e0tiques locals i globals per proposar alternatives basades en la cultura de la pau i adquirir compromisos que permetin la consecuci\u00f3 d\u2019un m\u00f3n m\u00e9s solidari i sostenible.<\/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)\">An\u00e0lisi de comportaments relacionats amb les causes del canvi clim\u00e0tic i de les conseq\u00fc\u00e8ncies sobre els ecosistemes i la vida de les persones. An\u00e0lisi de la relaci\u00f3 de la sostenibilitat amb alguns ODS (ODS 14. Vida submarina; ODS 15. Vida terrestre).<\/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)\"><b>1. <\/b>Es planteja a l&#8217;alumnat la construcci\u00f3 d&#8217;un sistema detector d&#8217;humitat de les plantes. <a href=\"https:\/\/edumet.cat\/areatac\/robotica\/get.php?id=1Qo5G4uE_QJ32I6lBhFocTeocRZST-sGF\" 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=1Qo5G4uE_QJ32I6lBhFocTeocRZST-sGF\" alt=\"sistema detector d'humitat\"><\/a>Per elaborar el dispositiu, es pot fer servir la plantilla per imprimir en 3D. Opcionalment, es pot plantejar que l&#8217;alumnat faci el seu disseny, fent servir eines de disseny 3D, tall l\u00e0ser, si el centre disposa d&#8217;aquesta opci\u00f3.<br><br><strong>2.<\/strong> Els materials necessaris per dur a terme l&#8217;activitat s\u00f3n: placa micro:bit, placa d&#8217;expansi\u00f3 micro:shield, sensor d&#8217;humitat de terra i tira de leds. Opcionalment, es poden fer servir els leds de la placa d&#8217;extensi\u00f3.<br><b><br>3. <\/b>Connexi\u00f3 del sensor d&#8217;humitat. El sensor d&#8217;humitat es connectar\u00e0 a la placa micro:shield en el port 0.<b> <\/b>Es tracta d&#8217;un sensor anal\u00f2gic. <br><b><br>4. <\/b>Connexi\u00f3 de la tira de leds. La tira de LED es connectar\u00e0 a la placa micro:shield en el port 8.<b> <\/b>Per comen\u00e7ar, caldr\u00e0 instal\u00b7lar l&#8217;extensi\u00f3 Neopixel. Per fer aix\u00f2, cal anar al men\u00fa &#8220;extensions&#8221; i escriure la paraula neopixel. Ens apareixer\u00e0 l&#8217;extensi\u00f3, que haurem de clicar, i autom\u00e0ticament s&#8217;afegir\u00e0 al men\u00fa dels blocs de MakeCode. <br><b><br>5. <\/b>Programaci\u00f3. Blocs inicials.<br>Crearem la variable &#8220;humitat&#8221; i la inicialitzarem en el bloc &#8220;en iniciar&#8221;. Per fer aix\u00f2 farem servir el bloc &#8220;assigna a&#8230; el valor&#8230;&#8221; que trobarem dins la categoria Variables. En iniciar el programa, cal indicar el port en qu\u00e8 tenim connectada la tira de leds (en el cas de l&#8217;exemple, el port de 8 de la micro:shield) i dir quants leds t\u00e9 (en el cas de l&#8217;exemple, la tira en t\u00e9 30). En la seg\u00fcent imatge es pot veure el codi que correspon a la inicialitzaci\u00f3 de la variable &#8220;humitat&#8221; i la tira de led &#8220;strip&#8221;:<a href=\"https:\/\/edumet.cat\/areatac\/robotica\/get.php?id=1VBl7cJ9NS4CfC6-eCB3AQU8I-uvCdHZX\" 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=1VBl7cJ9NS4CfC6-eCB3AQU8I-uvCdHZX\" alt=\"inicialitzaci\u00f3 del sensor d'humitat i la tira de LEDs\"><\/a> <br><b><br>6. <\/b>Calibratge del valor d&#8217;humitat. Caldr\u00e0 fer una prova per detectar quin \u00e9s el valor m\u00e0xim d&#8217;humitat que pot detectar cada sensor. Per fer aix\u00f2, caldr\u00e0 submergir els el\u00e8ctrodes del sensor d&#8217;humitat en un got d&#8217;aigua per llegir el valor m\u00e0xim. El valor que donar\u00e0 ser\u00e0 entre 600 i 900. Farem que a lectura directa del valor es mostri en la micro:bit. Els blocs es mostren a la imatge <a href=\"https:\/\/edumet.cat\/areatac\/robotica\/get.php?id=1ho8JW2kPFaH1aDpdKqjmfLyiUxs3s5T_\" 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=1ho8JW2kPFaH1aDpdKqjmfLyiUxs3s5T_\" alt=\"blocs per mostrar el valor de la humitat per la matriu de LEDs de la micro:bit\"><\/a> <b><br>7. <\/b>A continuaci\u00f3, cal programar els blocs per encendre els leds en funci\u00f3 de la humitat que detecti el sensor d&#8217;humitat. Per fer aix\u00f2 farem servir un bloc condicional &#8220;If&#8230;then&#8221; i els blocs per encendre la tira de leds anomenats &#8220;Strip show color&#8230;.&#8221; i triarem el color (<em>red\/green<\/em>). A la imatge es pot veure que s&#8217;ha emprat un valor de 100 per establir el l\u00edmit m\u00ednim d&#8217;humitat: <a href=\"https:\/\/edumet.cat\/areatac\/robotica\/get.php?id=1eky03lFtxNW6K2or071acBWaCJdMHzKr\" 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=1eky03lFtxNW6K2or071acBWaCJdMHzKr\" alt=\"programa detector d'humitat\"><\/a><\/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<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.thingiverse.com\/thing:4031468\" target=\"_blank\" rel=\"noreferrer noopener\">Prototip per imprimir en 3D<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/drive.google.com\/file\/d\/1WTt0NiS-JbNlAOT-14_mHgsAeP-t4SaL\/view?usp=drive_link\" target=\"_blank\" rel=\"noreferrer noopener\">Programa sencer<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/projectes.xtec.cat\/digital\/equipaments-i-infraestructures\/robotica\/formacio-tecnica-robotica\/plaques-microcontroladores\/microbit\/\">Fitxa t\u00e8cnica de la placa micro:bit<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/projectes.xtec.cat\/digital\/equipaments-i-infraestructures\/robotica\/formacio-tecnica-robotica\/components-i-accessoris\/microshield-ebotics\/\" target=\"_blank\" rel=\"noreferrer noopener\">Fitxa t\u00e8cnica de la placa d&#8217;extensi\u00f3 micro:shield<\/a><\/li>\n<\/ul>\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 construirem un detector d&#8217;humitat que ens mostri si una planta necessita ser regada.<\/p>\n","protected":false},"featured_media":33473,"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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