{"id":5871,"date":"2023-03-18T11:49:52","date_gmt":"2023-03-18T10:49:52","guid":{"rendered":"https:\/\/fablab21.fr\/?page_id=5871"},"modified":"2026-10-19T19:00:49","modified_gmt":"2026-10-19T17:00:49","slug":"controler-une-pompe-a-eau","status":"publish","type":"page","link":"https:\/\/www.association-ore.fr\/fr\/tutos\/tutos-arduino\/controler-une-pompe-a-eau\/","title":{"rendered":"Contr\u00f4ler une pompe \u00e0 eau"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Introduction<\/h2>\n\n\n<p>Pour contr\u00f4ler la pompe avec un ESP8266 nous allons devoir utiliser un transistor car l&rsquo;ESP n&rsquo;est pas assez puissante pour alimenter la pompe.\u00a0<\/p><p>Le transistor permet de contr\u00f4ler un courant diff\u00e9rent de celui du microcontr\u00f4leur, ici le courant du c\u00e2ble USB (broche VU).<\/p>\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/www.association-ore.fr\/fr\/wp-content\/uploads\/2023\/03\/TIP120.webp\" alt=\"\"\/><\/figure>\n\n\n<p><em>Transistor Darlington TIP120<\/em><\/p>\n\n<p>Nous allons \u00e9galement avoir besoin d&rsquo;une diode en parall\u00e8le du moteur, appel\u00e9e diode de roue libre.<\/p><p>Une diode est un composant \u00e0 deux p\u00f4les qui ne laisse passer le courant que dans un sens, elle est aussi appel\u00e9e diode de redressement.<\/p><p>La diode de roue libre permet\u00a0 d&#8217;emp\u00eacher l&rsquo;apparition d&rsquo;\u00e9normes pics de tension lorsque l&rsquo;alimentation est coup\u00e9e, et ainsi d&rsquo;\u00e9viter d&rsquo;endommager des composants.<\/p>\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/www.association-ore.fr\/fr\/wp-content\/uploads\/2023\/03\/diode.webp\" alt=\"\"\/><\/figure>\n\n\n<p><em>Diode de redressement<\/em><\/p>\n\n\n<h2 class=\"wp-block-heading\">Montage<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/www.association-ore.fr\/fr\/wp-content\/uploads\/2023\/03\/pompe_bb.png\" alt=\"\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Code Arduino<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/www.association-ore.fr\/fr\/wp-content\/uploads\/2023\/03\/pompe_arduino.png\" alt=\"\"\/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Introduction Pour contr\u00f4ler la pompe avec un ESP8266 nous allons devoir utiliser un transistor car l&rsquo;ESP n&rsquo;est pas assez puissante pour alimenter la pompe.\u00a0 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":6311,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-tutoriel","meta":{"footnotes":""},"class_list":["post-5871","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.association-ore.fr\/fr\/wp-json\/wp\/v2\/pages\/5871","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.association-ore.fr\/fr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.association-ore.fr\/fr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.association-ore.fr\/fr\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.association-ore.fr\/fr\/wp-json\/wp\/v2\/comments?post=5871"}],"version-history":[{"count":1,"href":"https:\/\/www.association-ore.fr\/fr\/wp-json\/wp\/v2\/pages\/5871\/revisions"}],"predecessor-version":[{"id":11482,"href":"https:\/\/www.association-ore.fr\/fr\/wp-json\/wp\/v2\/pages\/5871\/revisions\/11482"}],"up":[{"embeddable":true,"href":"https:\/\/www.association-ore.fr\/fr\/wp-json\/wp\/v2\/pages\/6311"}],"wp:attachment":[{"href":"https:\/\/www.association-ore.fr\/fr\/wp-json\/wp\/v2\/media?parent=5871"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}