{"id":2558,"date":"2023-05-24T09:56:03","date_gmt":"2023-05-24T07:56:03","guid":{"rendered":"http:\/\/f6kmf.fr\/?p=2558"},"modified":"2023-05-24T09:56:04","modified_gmt":"2023-05-24T07:56:04","slug":"une-alimentation-12v-10a-pas-chere","status":"publish","type":"post","link":"https:\/\/f6kmf.fr\/index.php\/2023\/05\/24\/une-alimentation-12v-10a-pas-chere\/","title":{"rendered":"Une alimentation 12V \/ 10A pas ch\u00e8re &#8230;.."},"content":{"rendered":"\n<p style=\"text-align:right\"><strong>Par Gilles F1EFW<\/strong><\/p>\n\n\n\n<p class=\"has-background has-very-light-gray-background-color\"><strong>J&rsquo;avais besoin d&rsquo;une alimentation 12V fournissant au moins 5A avec une taille raisonnable.<\/strong><\/p>\n\n\n\n<p class=\"has-background has-pale-cyan-blue-background-color\">Comme je poss\u00e9dais plusieurs \u00ab\u00a0\u00e9paves\u00a0\u00bb de PC, je me suis orient\u00e9 vers la modification d&rsquo;une de ces alimentations.<br>Ce qui suit est valable pour tous les mod\u00e8les de type ATX, le brochage et les couleurs sont (en principe) standardis\u00e9s, la forme et la puissance peut varier.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"939\" height=\"415\" src=\"https:\/\/f6kmf.fr\/wp-content\/uploads\/2023\/05\/img1.jpg\" alt=\"\" class=\"wp-image-2559\" srcset=\"https:\/\/f6kmf.fr\/wp-content\/uploads\/2023\/05\/img1.jpg 939w, https:\/\/f6kmf.fr\/wp-content\/uploads\/2023\/05\/img1-300x133.jpg 300w, https:\/\/f6kmf.fr\/wp-content\/uploads\/2023\/05\/img1-768x339.jpg 768w\" sizes=\"auto, (max-width: 939px) 100vw, 939px\" \/><\/figure>\n\n\n\n<p class=\"has-background has-very-light-gray-background-color\"> Voil\u00e0 le mod\u00e8le dont je disposais capable de fournir 15A sous 12V avec un encombrement r\u00e9duit. <br><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"680\" height=\"538\" src=\"https:\/\/f6kmf.fr\/wp-content\/uploads\/2023\/05\/img2.jpg\" alt=\"\" class=\"wp-image-2560\" srcset=\"https:\/\/f6kmf.fr\/wp-content\/uploads\/2023\/05\/img2.jpg 680w, https:\/\/f6kmf.fr\/wp-content\/uploads\/2023\/05\/img2-300x237.jpg 300w\" sizes=\"auto, (max-width: 680px) 100vw, 680px\" \/><\/figure>\n\n\n\n<p class=\"has-background has-pale-cyan-blue-background-color\">Une alimentation branch\u00e9e sur le secteur ne s\u2019allumera pas, seule la broche +5VSB (+5 V standby violet) fournira du 5 volts.<br>Pour que l\u2019alimentation se mette en service, il faut court-circuiter la broche 16 \u201cPS_ON#\u201d avec une masse (fils noir).<br><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/f6kmf.fr\/wp-content\/uploads\/2023\/05\/IMG_20230522_103124-1024x576.jpg\" alt=\"\" class=\"wp-image-2561\" srcset=\"https:\/\/f6kmf.fr\/wp-content\/uploads\/2023\/05\/IMG_20230522_103124-1024x576.jpg 1024w, https:\/\/f6kmf.fr\/wp-content\/uploads\/2023\/05\/IMG_20230522_103124-300x169.jpg 300w, https:\/\/f6kmf.fr\/wp-content\/uploads\/2023\/05\/IMG_20230522_103124-768x432.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"has-background has-very-light-gray-background-color\">J&rsquo;ai ouvert le capot et dessoud\u00e9 tous les c\u00e2bles (sauf le vert), puis j&rsquo;ai simplement rec\u00e2bl\u00e9 la masse et le +12V. <br><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/f6kmf.fr\/wp-content\/uploads\/2023\/05\/IMG_20230523_163545-1024x576.jpg\" alt=\"\" class=\"wp-image-2562\" srcset=\"https:\/\/f6kmf.fr\/wp-content\/uploads\/2023\/05\/IMG_20230523_163545-1024x576.jpg 1024w, https:\/\/f6kmf.fr\/wp-content\/uploads\/2023\/05\/IMG_20230523_163545-300x169.jpg 300w, https:\/\/f6kmf.fr\/wp-content\/uploads\/2023\/05\/IMG_20230523_163545-768x432.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"has-background has-pale-cyan-blue-background-color\">J&rsquo;avais donc une alimentation conforme au projet de d\u00e9part, mais comme je disposais d&rsquo;un petit boitier et d&rsquo;un afficheur V\/A j&rsquo;en ai profit\u00e9 pour \u00ab\u00a0customiser\u00a0\u00bb le tout. <br><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/f6kmf.fr\/wp-content\/uploads\/2023\/05\/IMG_20230523_165559-1024x576.jpg\" alt=\"\" class=\"wp-image-2563\" srcset=\"https:\/\/f6kmf.fr\/wp-content\/uploads\/2023\/05\/IMG_20230523_165559-1024x576.jpg 1024w, https:\/\/f6kmf.fr\/wp-content\/uploads\/2023\/05\/IMG_20230523_165559-300x169.jpg 300w, https:\/\/f6kmf.fr\/wp-content\/uploads\/2023\/05\/IMG_20230523_165559-768x432.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"has-background has-very-light-gray-background-color\">Premier essai boitier ferm\u00e9, j&rsquo;ai remont\u00e9 le ventilateur, et c\u00e2bl\u00e9 l&rsquo;interrupteur d\u00e9j\u00e0 pr\u00e9sent sur le boitier, l&rsquo;afficheur est un DSN-VC288 \u00e0 moins de 3\u20ac.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/f6kmf.fr\/wp-content\/uploads\/2023\/05\/IMG_20230523_165603-1024x576.jpg\" alt=\"\" class=\"wp-image-2564\" srcset=\"https:\/\/f6kmf.fr\/wp-content\/uploads\/2023\/05\/IMG_20230523_165603-1024x576.jpg 1024w, https:\/\/f6kmf.fr\/wp-content\/uploads\/2023\/05\/IMG_20230523_165603-300x169.jpg 300w, https:\/\/f6kmf.fr\/wp-content\/uploads\/2023\/05\/IMG_20230523_165603-768x432.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"has-background has-pale-cyan-blue-background-color\">Essai avec un \u00e9metteur en fonctionnement, <strong>l&rsquo;alimentation tient 10A sans broncher &#8230;. <\/strong><\/p>\n\n\n\n<p class=\"has-background has-very-light-gray-background-color\"><strong>Quand on sait que le co\u00fbt d&rsquo;un tel \u00e9quipement est d&rsquo;environ 80\u20ac &#8230; je n&rsquo;ai pas perdu mon temps.<\/strong><br>Bien entendu il est \u00e9galement possible de \u00ab\u00a0sortir\u00a0\u00bb le 5V, mais dans mon cas pr\u00e9cis je n&rsquo;en avais pas besoin.<br><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Par Gilles F1EFW J&rsquo;avais besoin d&rsquo;une alimentation 12V fournissant au moins 5A avec une taille raisonnable. Comme je poss\u00e9dais plusieurs<\/p>\n","protected":false},"author":4,"featured_media":2565,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","footnotes":""},"categories":[7,14],"tags":[],"class_list":["post-2558","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-electronique","category-realisations"],"_links":{"self":[{"href":"https:\/\/f6kmf.fr\/index.php\/wp-json\/wp\/v2\/posts\/2558","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/f6kmf.fr\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/f6kmf.fr\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/f6kmf.fr\/index.php\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/f6kmf.fr\/index.php\/wp-json\/wp\/v2\/comments?post=2558"}],"version-history":[{"count":1,"href":"https:\/\/f6kmf.fr\/index.php\/wp-json\/wp\/v2\/posts\/2558\/revisions"}],"predecessor-version":[{"id":2566,"href":"https:\/\/f6kmf.fr\/index.php\/wp-json\/wp\/v2\/posts\/2558\/revisions\/2566"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/f6kmf.fr\/index.php\/wp-json\/wp\/v2\/media\/2565"}],"wp:attachment":[{"href":"https:\/\/f6kmf.fr\/index.php\/wp-json\/wp\/v2\/media?parent=2558"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/f6kmf.fr\/index.php\/wp-json\/wp\/v2\/categories?post=2558"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/f6kmf.fr\/index.php\/wp-json\/wp\/v2\/tags?post=2558"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}