{"id":4736,"date":"2020-05-08T17:20:22","date_gmt":"2020-05-08T15:20:22","guid":{"rendered":"http:\/\/www.ardpylab.fr\/?page_id=4736"},"modified":"2020-05-21T19:19:38","modified_gmt":"2020-05-21T17:19:38","slug":"projet-7-dipoles-rc","status":"publish","type":"page","link":"https:\/\/www.ardpylab.fr\/?page_id=4736","title":{"rendered":"Projet 7 &#8211; Dip\u00f4les RC"},"content":{"rendered":"\n<h2 style=\"text-align: center;\"><em><strong>(Charge &amp; D\u00e9charge)<\/strong><br><br><\/em><\/h2>\n\n\n\n<h6><span style=\"color: #999999;\"><br>(<em>Cliquez pour afficher la version PDF)<\/em><\/span><\/h6>\n\n\n\n<div class=\"wp-block-file\"><a href=\"https:\/\/www.ardpylab.fr\/wp-content\/uploads\/2020\/05\/dipolesrc.pdf\">Dip\u00f4les RC<\/a><a href=\"https:\/\/www.ardpylab.fr\/wp-content\/uploads\/2020\/05\/dipolesrc.pdf\" class=\"wp-block-file__button\" download>T\u00e9l\u00e9charger<\/a><\/div>\n\n\n\n<p>&nbsp;<\/p>\n<p>Avec un Arduino, nous avons vu qu\u2019il \u00e9tait possible de mesurer une tension.<\/p>\n<p>Nous allons maintenant utiliser un Arduino Uno pour suivre l\u2019\u00e9volution temporelle de la tension aux bornes d\u2019un condensateur lors de sa charge ou sa d\u00e9charge.<\/p>\n<p>Toutes les activit\u00e9s seront r\u00e9alis\u00e9es avec le circuit suivant :<br><br><\/p>\n\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1363 \" style=\"border: 3px solid #eeeeee; padding: 3px; margin: 3px;\" src=\"https:\/\/www.ardpylab.fr\/wp-content\/uploads\/2020\/03\/rc-circuit1.png\" alt=\"\" width=\"588\" height=\"336\"><\/figure>\n<p>&nbsp;<\/p>\n<\/div>\n\n\n\n<p>&nbsp;<\/p>\n<ul>\n<li>\n<h4><span style=\"color: #0000ff;\"><strong><u>Liste des composants<\/u>&nbsp;:<\/strong><\/span><\/h4>\n<\/li>\n<\/ul>\n<p style=\"padding-left: 40px;\">. 1 <a href=\"https:\/\/www.ardpylab.fr\/?page_id=1295\/#anc1\" data-wplink-url-error=\"true\" data-wplink-edit=\"true\">condensateur<\/a> de 100 \u00b5F (C chimique&nbsp;:&nbsp;<strong>attention \u00e0 la polarit\u00e9<\/strong><strong>)<br><\/strong>. 2 <a href=\"https:\/\/www.ardpylab.fr\/downloads\/docs\/R10.pdf\" data-wplink-url-error=\"true\">r\u00e9sistances de 10 k\u03a9<\/a> (r\u00e9sistance du bouton poussoir et du dip\u00f4le RC)<br>. 1 <a href=\"https:\/\/www.ardpylab.fr\/downloads\/docs\/btnpush.pdf\" data-wplink-url-error=\"true\">bouton poussoir<\/a><br>. 1 <a href=\"https:\/\/www.ardpylab.fr\/downloads\/docs\/breadboard.pdf\" data-wplink-url-error=\"true\">plaque d&rsquo;essais<\/a><br>. <a href=\"https:\/\/www.ardpylab.fr\/downloads\/docs\/fils-connexion.pdf\" data-wplink-url-error=\"true\">Fils de connexion<\/a><br><br><\/p>\n\n\n\n<ul>\n<li>\n<h4><span style=\"color: #0000ff;\"><strong><u>Protocole de communication<\/u> :<\/strong><\/span><\/h4>\n<\/li>\n<\/ul>\n<p style=\"padding-left: 40px;\">. <a href=\"https:\/\/www.ardpylab.fr\/?page_id=2852\">Firmata Express<\/a><\/p>\n<p>&nbsp;<\/p>\n\n\n\n<ul>\n<li>\n<h4><span style=\"color: #0000ff;\"><strong><u>Rappels<\/u>&nbsp;:<\/strong><\/span><\/h4>\n<\/li>\n<\/ul>\n<p style=\"padding-left: 40px;\"><span style=\"color: #3366ff;\"><span style=\"color: #333333;\">. <a href=\"https:\/\/www.ardpylab.fr\/?page_id=1295\/#anc1\" data-wplink-url-error=\"true\">La charge et la d\u00e9charge des condensateurs d&rsquo;un dip\u00f4le RC<\/a><br>. <a href=\"https:\/\/www.ardpylab.fr\/?page_id=3031\/#anc2\">La gestion des entr\u00e9es et ses sorties de l\u2019Arduino par le protocole de communication \u00ab <strong>Firmata Express<\/strong>\u00bb<\/a><br>.&nbsp;<a href=\"https:\/\/www.ardpylab.fr\/?page_id=2876\/#connect\">La connexion \u00e0 l\u2019Arduino avec le protocole de communication \u00ab&nbsp;<strong>Firmata Express<\/strong>&nbsp;\u00bb<\/a><br><br><\/span><\/span><\/p>\n\n\n\n<p style=\"padding-left: 40px;\">Dans ce montage, La carte Arduino est utilis\u00e9e :<\/p>\n<p style=\"padding-left: 80px;\">. pour appliquer une tension de 5 volts aux bornes du dip\u00f4le r\u00e9sistance \u2013 condensateur gr\u00e2ce \u00e0 une sortie num\u00e9rique (broche 2),<\/p>\n<p style=\"padding-left: 80px;\">. pour mesurer la tension aux bornes du condensateur \u00e0 l\u2019aide d\u2019une entr\u00e9e analogique (broche A0).<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\" style=\"padding-left: 120px;\"><img loading=\"lazy\" decoding=\"async\" width=\"294\" height=\"159\" class=\"wp-image-1367\" src=\"https:\/\/www.ardpylab.fr\/wp-content\/uploads\/2020\/03\/image-164.png\" alt=\"\"><\/figure>\n<\/div>\n<p style=\"padding-left: 40px;\">Suivant l\u2019\u00e9tat logique de broche N\u00b02 d\u00e9clar\u00e9e en sortie num\u00e9rique, le sch\u00e9ma \u00e9lectrique sera \u00e9quivalent \u00e0&nbsp;:<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\" style=\"padding-left: 40px;\"><img loading=\"lazy\" decoding=\"async\" width=\"513\" height=\"178\" class=\"wp-image-1369\" src=\"https:\/\/www.ardpylab.fr\/wp-content\/uploads\/2020\/03\/image-165.png\" sizes=\"auto, (max-width: 513px) 100vw, 513px\" srcset=\"https:\/\/www.ardpylab.fr\/wp-content\/uploads\/2020\/03\/image-165.png 513w, https:\/\/www.ardpylab.fr\/wp-content\/uploads\/2020\/03\/image-165-300x104.png 300w\" alt=\"\"><\/figure>\n<\/div>\n<p style=\"padding-left: 40px;\">Avec un Arduino, pour obtenir des mesures suffisamment pr\u00e9cises, il faut utiliser un dip\u00f4le RC conduisant \u00e0 des constantes de temps longues&nbsp;(quelques centaines de millisecondes au minimum).<\/p>\n<p>&nbsp;<\/p>\n\n\n\n<h4>. <strong>Activit\u00e9 1: <a href=\"https:\/\/www.ardpylab.fr\/?page_id=4743\" data-wplink-url-error=\"true\">Etude de la charge d\u2019un condensateur d\u2019un dip\u00f4le RC<\/a><em><br><br><\/em><\/strong>. <strong>Activit\u00e9 2: <a href=\"https:\/\/www.ardpylab.fr\/?page_id=4751\" data-wplink-url-error=\"true\">Etude de la d\u00e9charge d\u2019un condensateur d\u2019un dip\u00f4le RC<\/a><em><br><br><\/em><\/strong>. <strong>Activit\u00e9 3: <a href=\"https:\/\/www.ardpylab.fr\/?page_id=4763\">D\u00e9termination de la capacit\u00e9 d\u2019un condensateur par mesure d\u2019une constante de temps<\/a> <em><br><br><\/em><\/strong><\/h4>\n\n\n\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0<\/p>\n\n\n<div  class=\"grids-section grids-is-stretch\" style=\"--_gs-gap-desktop:0px 0px;--_gs-m-desktop:0 0 0 0;--_gs-p-desktop:0 0 0 0;--_gs-bg-desktop:transparent none;--_gs-bg-xp-desktop:0px;--_gs-zi-desktop:auto;--_gs-d-desktop:block;--_gs-mw-desktop:calc(100% - 0 - 0);--_gs-gap-tablet:0px 0px;--_gs-m-tablet:0 0 0 0;--_gs-p-tablet:0 0 0 0;--_gs-bg-tablet:transparent none;--_gs-bg-xp-tablet:0px;--_gs-zi-tablet:auto;--_gs-d-tablet:block;--_gs-mw-tablet:calc(100% - 0 - 0);--_gs-gap-mobile:0px 0px;--_gs-m-mobile:0 0 0 0;--_gs-p-mobile:0 0 0 0;--_gs-bg-mobile:transparent none;--_gs-bg-xp-mobile:0px;--_gs-zi-mobile:auto;--_gs-d-mobile:block;--_gs-mw-mobile:calc(100% - 0 - 0);--_gs-columns:2;--_gs-rows:1\"><div class=\"grids-s-w_i\">\n<div class=\"grids-area\" style=\"--_ga-column:1\/2;--_ga-row:1\/2;--_ga-m-desktop:0 0 0 0;--_ga-p-desktop:0 0 0 0;--_ga-bg-desktop:transparent none;--_ga-zi-desktop:auto;--_ga-d-desktop:flex;--_ga-mw-desktop:calc(100% - 0 - 0);--_ga-m-tablet:0 0 0 0;--_ga-p-tablet:0 0 0 0;--_ga-bg-tablet:transparent none;--_ga-zi-tablet:auto;--_ga-d-tablet:flex;--_ga-mw-tablet:calc(100% - 0 - 0);--_ga-m-mobile:0 0 0 0;--_ga-p-mobile:0 0 0 0;--_ga-bg-mobile:transparent none;--_ga-zi-mobile:auto;--_ga-d-mobile:flex;--_ga-mw-mobile:calc(100% - 0 - 0)\">\n\n<div class=\"wp-block-image\"><figure class=\"alignleft size-large\"><a href=\"https:\/\/www.ardpylab.fr\/?page_id=4721\"><img loading=\"lazy\" decoding=\"async\" width=\"50\" height=\"28\" src=\"https:\/\/www.ardpylab.fr\/wp-content\/uploads\/2020\/03\/moins.jpg\" alt=\"\" class=\"wp-image-107\"\/><\/a><\/figure><\/div>\n\n<\/div>\n\n<div class=\"grids-area\" style=\"--_ga-column:2\/3;--_ga-row:1\/2;--_ga-m-desktop:0 0 0 0;--_ga-p-desktop:0 0 0 0;--_ga-bg-desktop:transparent none;--_ga-zi-desktop:auto;--_ga-d-desktop:flex;--_ga-mw-desktop:calc(100% - 0 - 0);--_ga-m-tablet:0 0 0 0;--_ga-p-tablet:0 0 0 0;--_ga-bg-tablet:transparent none;--_ga-zi-tablet:auto;--_ga-d-tablet:flex;--_ga-mw-tablet:calc(100% - 0 - 0);--_ga-m-mobile:0 0 0 0;--_ga-p-mobile:0 0 0 0;--_ga-bg-mobile:transparent none;--_ga-zi-mobile:auto;--_ga-d-mobile:flex;--_ga-mw-mobile:calc(100% - 0 - 0)\">\n\n<div class=\"wp-block-image\"><figure class=\"alignright size-large\"><a href=\"https:\/\/www.ardpylab.fr\/?page_id=4743\"><img loading=\"lazy\" decoding=\"async\" width=\"50\" height=\"28\" src=\"https:\/\/www.ardpylab.fr\/wp-content\/uploads\/2020\/03\/plus.jpg\" alt=\"\" class=\"wp-image-106\"\/><\/a><\/figure><\/div>\n\n<\/div>\n<\/div><\/div>\n\n\n\n","protected":false},"excerpt":{"rendered":"<p>(Charge &amp; D\u00e9charge) (Cliquez pour afficher la version PDF) &nbsp; Avec un Arduino, nous avons vu qu\u2019il \u00e9tait possible de mesurer une tension. Nous allons maintenant utiliser un Arduino Uno pour suivre l\u2019\u00e9volution temporelle de la tension aux bornes d\u2019un condensateur lors de sa charge ou sa d\u00e9charge. Toutes les activit\u00e9s seront r\u00e9alis\u00e9es avec le [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-4736","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.ardpylab.fr\/index.php?rest_route=\/wp\/v2\/pages\/4736","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ardpylab.fr\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.ardpylab.fr\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.ardpylab.fr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ardpylab.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4736"}],"version-history":[{"count":7,"href":"https:\/\/www.ardpylab.fr\/index.php?rest_route=\/wp\/v2\/pages\/4736\/revisions"}],"predecessor-version":[{"id":5364,"href":"https:\/\/www.ardpylab.fr\/index.php?rest_route=\/wp\/v2\/pages\/4736\/revisions\/5364"}],"wp:attachment":[{"href":"https:\/\/www.ardpylab.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4736"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}