{"id":3461,"date":"2019-03-16T09:00:14","date_gmt":"2019-03-16T08:00:14","guid":{"rendered":"http:\/\/www.unicoda.com\/?p=3461"},"modified":"2019-03-15T23:56:02","modified_gmt":"2019-03-15T22:56:02","slug":"pi-desactiver-le-hdmi","status":"publish","type":"post","link":"https:\/\/www.unicoda.com\/?p=3461","title":{"rendered":"[Pi] D\u00e9sactiver le HDMI"},"content":{"rendered":"

Je fais fonctionner, depuis presque un mois maintenant, un raspberry pi zero w sur mon balcon, \u00e0 l’aide d’un panneau solaire et d’une batterie. Au moment de la mise en place, j’ai donc cherch\u00e9 \u00e0 r\u00e9duire au maximum l’\u00e9nergie consomm\u00e9e par le pi.<\/p>\n

Apr\u00e8s quelques recherches, j’ai trouv\u00e9 qu’il \u00e9tait possible de d\u00e9sactiver le HDMI, pour une \u00e9conomie estim\u00e9e \u00e0 25 mA. Pour r\u00e9aliser cette op\u00e9ration de d\u00e9sactivation, on ex\u00e9cute la commande suivante (la r\u00e9-activation s’effectue avec l’option -p) :<\/p>\n\n\n

\/usr\/bin\/tvservice -o<\/pre>\n\n\n\n
Afin de s’assurer de la persistance de cette configuration en cas de red\u00e9marrage, on s’assure \u00e9galement d’ajouter la ligne dans le fichier \/etc\/rc.local<\/em> .<\/p>\n\n\n\n
Il est \u00e9galement possible de d\u00e9sactiver les leds pour \u00e9conomiser 5 mA par led. Je n’ai en revanche pas test\u00e9 cette configuration, car je souhaitais pouvoir contr\u00f4ler visuellement l’\u00e9tat du pi.<\/p>\n\n\n\n
Source : Raspberry Pi Zero – Conserve power and reduce draw to 80mA<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
Je fais fonctionner, depuis presque un mois maintenant, un raspberry pi zero w sur mon balcon, \u00e0 l’aide d’un panneau solaire et d’une batterie. Au moment de la mise en place, j’ai donc cherch\u00e9 \u00e0 r\u00e9duire au maximum l’\u00e9nergie consomm\u00e9e par le pi. Apr\u00e8s quelques recherches, j’ai trouv\u00e9 qu’il \u00e9tait possible de d\u00e9sactiver le HDMI, … Continuer la lecture de « [Pi] D\u00e9sactiver le HDMI »<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[322],"tags":[404,403,402,400],"class_list":["post-3461","post","type-post","status-publish","format-standard","hentry","category-raspberry-pi","tag-economie","tag-energie","tag-hdmi","tag-raspberry-pi-zero"],"_links":{"self":[{"href":"https:\/\/www.unicoda.com\/index.php?rest_route=\/wp\/v2\/posts\/3461","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.unicoda.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.unicoda.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.unicoda.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.unicoda.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3461"}],"version-history":[{"count":2,"href":"https:\/\/www.unicoda.com\/index.php?rest_route=\/wp\/v2\/posts\/3461\/revisions"}],"predecessor-version":[{"id":3483,"href":"https:\/\/www.unicoda.com\/index.php?rest_route=\/wp\/v2\/posts\/3461\/revisions\/3483"}],"wp:attachment":[{"href":"https:\/\/www.unicoda.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3461"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.unicoda.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3461"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.unicoda.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3461"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}