{"id":835,"date":"2014-07-27T21:38:00","date_gmt":"2014-07-27T20:38:00","guid":{"rendered":"https:\/\/dahoo.fr\/wordpress\/?p=835"},"modified":"2014-08-11T08:20:08","modified_gmt":"2014-08-11T07:20:08","slug":"pov-lumiere","status":"publish","type":"post","link":"https:\/\/dahoo.fr\/wordpress\/pov-lumiere\/","title":{"rendered":"A la d\u00e9couverte de la POV"},"content":{"rendered":"<p>J&rsquo;ai d\u00e9couvert la POV (persitance of vision) par hasard sur youtube. C&rsquo;est juste bluffant et magique explication tout de suite.<br \/>\n<!--more--><\/p>\n<p style=\"text-align: justify;\">La POV consiste \u00e0 faire tourner\u00a0\u00e0 tr\u00e8s grande vitesse des LEDs lumineuses et de les r\u00e9gler de telle sorte que l&rsquo;allumage de celle-ci ce fasse en synchro avec la vitesse de rotation pour donner une impression de non mouvement et ainsi \u00e9crire des mots ou dessiner une image. C&rsquo;est ce qu&rsquo;on appelle\u00a0la persistance\u00a0r\u00e9tinienne. Le concepts et juste\u00a0impressionnant\u00a0et permet de faire\u00a0une holographie r\u00e9aliste \u00e0 moindre co\u00fbt.<\/p>\n<p>\u00a0Cela me donne envie de me remettre \u00e0 l&rsquo;\u00e9lectronique &#8230; Surtout avec un petit arduino.<\/p>\n<p>&nbsp;<\/p>\n<p>Une petite vid\u00e9o d&rsquo;exemple :<\/p>\n<p><iframe loading=\"lazy\" src=\"\/\/www.youtube.com\/embed\/cQhBm_EgB0w?feature=player_detailpage\" width=\"640\" height=\"360\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<p>&nbsp;<\/p>\n<p>Un autre projet encore plus ambitieux magnifique =). C&rsquo;est le projet volumen avec plus de 3ans \u00e0 la conception tout de m\u00eame. source <a href=\"https:\/\/www.semageek.com\/volumen-une-afficheur-3d-a-persistance-retinienne-pov\/\" target=\"_blank\">ici<\/a><\/p>\n<p><iframe loading=\"lazy\" src=\"\/\/www.youtube.com\/embed\/Ey-eO-H2_Mk?feature=player_embedded\" width=\"640\" height=\"360\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n","protected":false},"excerpt":{"rendered":"<p>J&rsquo;ai d\u00e9couvert la POV (persitance of vision) par hasard sur youtube. C&rsquo;est juste bluffant et magique explication tout de suite.<\/p>\n","protected":false},"author":1,"featured_media":875,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"image","meta":{"footnotes":""},"categories":[57,21],"tags":[],"class_list":["post-835","post","type-post","status-publish","format-image","has-post-thumbnail","hentry","category-divertissement","category-multimedia","post_format-post-format-image"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>A la d\u00e9couverte de la POV - D@hoo<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/dahoo.fr\/wordpress\/pov-lumiere\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"A la d\u00e9couverte de la POV - D@hoo\" \/>\n<meta property=\"og:description\" content=\"J&rsquo;ai d\u00e9couvert la POV (persitance of vision) par hasard sur youtube. C&rsquo;est juste bluffant et magique explication tout de suite.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/dahoo.fr\/wordpress\/pov-lumiere\/\" \/>\n<meta property=\"og:site_name\" content=\"D@hoo\" \/>\n<meta property=\"article:published_time\" content=\"2014-07-27T20:38:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2014-08-11T07:20:08+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/dahoo.fr\/wordpress\/wp-content\/uploads\/2014\/07\/POV.png\" \/>\n\t<meta property=\"og:image:width\" content=\"640\" \/>\n\t<meta property=\"og:image:height\" content=\"318\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Fabacks\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Fabacks\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/dahoo.fr\/wordpress\/pov-lumiere\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/dahoo.fr\/wordpress\/pov-lumiere\/\"},\"author\":{\"name\":\"Fabacks\",\"@id\":\"https:\/\/dahoo.fr\/wordpress\/#\/schema\/person\/08ab6e7b6f186b7e033fe862d72137d2\"},\"headline\":\"A la d\u00e9couverte de la POV\",\"datePublished\":\"2014-07-27T20:38:00+00:00\",\"dateModified\":\"2014-08-11T07:20:08+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/dahoo.fr\/wordpress\/pov-lumiere\/\"},\"wordCount\":152,\"commentCount\":0,\"image\":{\"@id\":\"https:\/\/dahoo.fr\/wordpress\/pov-lumiere\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/dahoo.fr\/wordpress\/wp-content\/uploads\/2014\/07\/POV.png\",\"articleSection\":[\"Divertissement\",\"Multim\u00e9dia\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/dahoo.fr\/wordpress\/pov-lumiere\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/dahoo.fr\/wordpress\/pov-lumiere\/\",\"url\":\"https:\/\/dahoo.fr\/wordpress\/pov-lumiere\/\",\"name\":\"A la d\u00e9couverte de la POV - D@hoo\",\"isPartOf\":{\"@id\":\"https:\/\/dahoo.fr\/wordpress\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/dahoo.fr\/wordpress\/pov-lumiere\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/dahoo.fr\/wordpress\/pov-lumiere\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/dahoo.fr\/wordpress\/wp-content\/uploads\/2014\/07\/POV.png\",\"datePublished\":\"2014-07-27T20:38:00+00:00\",\"dateModified\":\"2014-08-11T07:20:08+00:00\",\"author\":{\"@id\":\"https:\/\/dahoo.fr\/wordpress\/#\/schema\/person\/08ab6e7b6f186b7e033fe862d72137d2\"},\"breadcrumb\":{\"@id\":\"https:\/\/dahoo.fr\/wordpress\/pov-lumiere\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/dahoo.fr\/wordpress\/pov-lumiere\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/dahoo.fr\/wordpress\/pov-lumiere\/#primaryimage\",\"url\":\"https:\/\/dahoo.fr\/wordpress\/wp-content\/uploads\/2014\/07\/POV.png\",\"contentUrl\":\"https:\/\/dahoo.fr\/wordpress\/wp-content\/uploads\/2014\/07\/POV.png\",\"width\":640,\"height\":318},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/dahoo.fr\/wordpress\/pov-lumiere\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Accueil\",\"item\":\"https:\/\/dahoo.fr\/wordpress\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"A la d\u00e9couverte de la POV\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/dahoo.fr\/wordpress\/#website\",\"url\":\"https:\/\/dahoo.fr\/wordpress\/\",\"name\":\"D@hoo\",\"description\":\"Dahoo, la taverne du geek\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/dahoo.fr\/wordpress\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/dahoo.fr\/wordpress\/#\/schema\/person\/08ab6e7b6f186b7e033fe862d72137d2\",\"name\":\"Fabacks\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/dahoo.fr\/wordpress\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/5774810a4a71ec90d75c578017954d3e8d660747be025fdae4d44599410b4806?s=96&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/5774810a4a71ec90d75c578017954d3e8d660747be025fdae4d44599410b4806?s=96&r=g\",\"caption\":\"Fabacks\"},\"description\":\"Fabacks, fondateur du projet Dahoo proposant des news, des tutos, des tests tout cela gratuitement. 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