{"id":449,"date":"2016-02-23T20:29:16","date_gmt":"2016-02-23T19:29:16","guid":{"rendered":"http:\/\/www.raulet.net\/WP\/?p=449"},"modified":"2016-06-22T11:05:31","modified_gmt":"2016-06-22T09:05:31","slug":"un-ordinateur-solaire-en-bretagne","status":"publish","type":"post","link":"https:\/\/www.raulet.net\/WP\/un-ordinateur-solaire-en-bretagne\/","title":{"rendered":"Un ordinateur solaire en Bretagne !"},"content":{"rendered":"<p>Un ordinateur allum\u00e9 en permanence, mais sans utiliser d&rsquo;\u00e9lectricit\u00e9, enfin venant d&rsquo;EDF. Est ce un peu audacieux comme projet en Bretagne ? \u00c7a se discute &#8230;<\/p>\n<p>Bon, d&rsquo;accord le panneau solaire est assez grand, et l&rsquo;ordinateur est un raspberry pi.<\/p>\n<p><a href=\"http:\/\/www.raulet.net\/WP\/wp-content\/uploads\/2016\/02\/wp-1456252010877.jpg\" rel=\"attachment wp-att-448\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-medium wp-image-448\" src=\"http:\/\/www.raulet.net\/WP\/wp-content\/uploads\/2016\/02\/wp-1456252010877-300x225.jpg\" alt=\"wp-1456252010877.jpg\" width=\"300\" height=\"225\" srcset=\"https:\/\/www.raulet.net\/WP\/wp-content\/uploads\/2016\/02\/wp-1456252010877-300x225.jpg 300w, https:\/\/www.raulet.net\/WP\/wp-content\/uploads\/2016\/02\/wp-1456252010877-768x576.jpg 768w, https:\/\/www.raulet.net\/WP\/wp-content\/uploads\/2016\/02\/wp-1456252010877-1030x773.jpg 1030w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>La partie alimentation et gestion de l&rsquo;\u00e9nergie est compos\u00e9e de :<\/p>\n<ul>\n<li>un panneau solaire 18V de 80W<\/li>\n<li><del>une batterie 12V de 7.2 VA<\/del><\/li>\n<li><strong>une batterie 12V de 40\u00a0VA\u00a0<\/strong>(update du 11 juin 2016)<\/li>\n<li><\/li>\n<li>un module de gestion de la charge (batterie 12v plomb-acide)<\/li>\n<li>un r\u00e9gulateur de tension 5v (prise USB sur allume-cigare)<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"http:\/\/www.raulet.net\/WP\/wp-content\/uploads\/2016\/02\/wp-1456251996247.jpg\" rel=\"attachment wp-att-447\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-447 alignright\" src=\"http:\/\/www.raulet.net\/WP\/wp-content\/uploads\/2016\/02\/wp-1456251996247-300x225.jpg\" alt=\"wp-1456251996247.jpg\" width=\"300\" height=\"225\" srcset=\"https:\/\/www.raulet.net\/WP\/wp-content\/uploads\/2016\/02\/wp-1456251996247-300x225.jpg 300w, https:\/\/www.raulet.net\/WP\/wp-content\/uploads\/2016\/02\/wp-1456251996247-768x576.jpg 768w, https:\/\/www.raulet.net\/WP\/wp-content\/uploads\/2016\/02\/wp-1456251996247-1030x773.jpg 1030w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>La partie informatique est compos\u00e9e de :<\/p>\n<ul>\n<li>un Raspberry Pi (modele B)<\/li>\n<li>une carte WiFi USB (Alpha 036)<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>A venir : tester un convertisseur de tension continue (DC-DC), dont l&rsquo;efficacit\u00e9 doit approcher les 92%<\/p>\n<p><a href=\"http:\/\/www.raulet.net\/WP\/wp-content\/uploads\/2016\/02\/wp-1456251974544.jpg\" rel=\"attachment wp-att-446\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-medium wp-image-446\" src=\"http:\/\/www.raulet.net\/WP\/wp-content\/uploads\/2016\/02\/wp-1456251974544-225x300.jpg\" alt=\"wp-1456251974544.jpg\" width=\"225\" height=\"300\" srcset=\"https:\/\/www.raulet.net\/WP\/wp-content\/uploads\/2016\/02\/wp-1456251974544-225x300.jpg 225w, https:\/\/www.raulet.net\/WP\/wp-content\/uploads\/2016\/02\/wp-1456251974544-768x1024.jpg 768w, https:\/\/www.raulet.net\/WP\/wp-content\/uploads\/2016\/02\/wp-1456251974544-773x1030.jpg 773w\" sizes=\"auto, (max-width: 225px) 100vw, 225px\" \/><\/a><\/p>\n<p>Je vais aussi superviser la charge de la batterie et l&rsquo;alimentation venant du panneau solaire. Je vais donc suivre les tensions et les courants autours de la batterie. Un Arduino fera tr\u00e8s bien l&rsquo;affaire. Il pourrait m\u00eame, \u00e0 terme, optimiser l&rsquo;exposition du panneau solaire, en l&rsquo;inclinant pour qu&rsquo;il \u00ab\u00a0suive\u00a0\u00bb le soleil &#8230;<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"http:\/\/www.raulet.net\/WP\/dongle-voltmetre-usb\/\" rel=\"attachment wp-att-460\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright wp-image-460 \" src=\"http:\/\/www.raulet.net\/WP\/wp-content\/uploads\/2016\/03\/dongle-voltmetre-USB-300x300.jpg\" alt=\"dongle-voltmetre-USB\" width=\"241\" height=\"241\" srcset=\"https:\/\/www.raulet.net\/WP\/wp-content\/uploads\/2016\/03\/dongle-voltmetre-USB-300x300.jpg 300w, https:\/\/www.raulet.net\/WP\/wp-content\/uploads\/2016\/03\/dongle-voltmetre-USB-80x80.jpg 80w, https:\/\/www.raulet.net\/WP\/wp-content\/uploads\/2016\/03\/dongle-voltmetre-USB.jpg 500w\" sizes=\"auto, (max-width: 241px) 100vw, 241px\" \/><\/a><span style=\"text-decoration: underline;\">Update du 31\/03\/2016<\/span><\/p>\n<p>J&rsquo;ai command\u00e9 un dongle USB qui mesure la tension \u00e9lectrique (V), l&rsquo;intensit\u00e9 (A), et la capacit\u00e9 (mAh).<\/p>\n<p>Le mod\u00e8le de Raspberry pi que j&rsquo;ai retenu initialement est un mod\u00e8le B, donc la premi\u00e8re version. La mauvaise nouvelle, c&rsquo;est que ce mod\u00e8le consomme finalement le double de courant que la version 3 !<\/p>\n<p>Avec une carte Wifi en USB, le Raspberry Pi v1 modele B consomme environ 0.53A<br \/>\nLe Raspberry pi 3 consomme environ 0.23A. (avec son Wifi int\u00e9gr\u00e9)<a href=\"http:\/\/www.raulet.net\/WP\/img_20160331_211411-jpg\/\" rel=\"attachment wp-att-459\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright wp-image-459 size-thumbnail\" src=\"http:\/\/www.raulet.net\/WP\/wp-content\/uploads\/2016\/03\/img_20160331_211411-80x80.jpg\" alt=\"img_20160331_211411.jpg\" width=\"80\" height=\"80\" \/><\/a><br \/>\nFort de ce constat, j&rsquo;ai remplac\u00e9 le raspberry v1 par un v3. Je devrai donc doubler l&rsquo;autonomie de cette machine. A suivre &#8230;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Un ordinateur allum\u00e9 en permanence, mais sans utiliser d&rsquo;\u00e9lectricit\u00e9, enfin venant d&rsquo;EDF. Est ce un peu audacieux comme projet en [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","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":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[4],"tags":[],"class_list":["post-449","post","type-post","status-publish","format-standard","hentry","category-raspberry-pi"],"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false},"uagb_author_info":{"display_name":"admin","author_link":"https:\/\/www.raulet.net\/WP\/author\/admin\/"},"uagb_comment_info":0,"uagb_excerpt":"Un ordinateur allum\u00e9 en permanence, mais sans utiliser d&rsquo;\u00e9lectricit\u00e9, enfin venant d&rsquo;EDF. Est ce un peu audacieux comme projet en [&hellip;]","_links":{"self":[{"href":"https:\/\/www.raulet.net\/WP\/wp-json\/wp\/v2\/posts\/449","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.raulet.net\/WP\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.raulet.net\/WP\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.raulet.net\/WP\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.raulet.net\/WP\/wp-json\/wp\/v2\/comments?post=449"}],"version-history":[{"count":9,"href":"https:\/\/www.raulet.net\/WP\/wp-json\/wp\/v2\/posts\/449\/revisions"}],"predecessor-version":[{"id":474,"href":"https:\/\/www.raulet.net\/WP\/wp-json\/wp\/v2\/posts\/449\/revisions\/474"}],"wp:attachment":[{"href":"https:\/\/www.raulet.net\/WP\/wp-json\/wp\/v2\/media?parent=449"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.raulet.net\/WP\/wp-json\/wp\/v2\/categories?post=449"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.raulet.net\/WP\/wp-json\/wp\/v2\/tags?post=449"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}