{"id":101,"date":"2009-04-12T13:15:13","date_gmt":"2009-04-12T13:15:13","guid":{"rendered":"http:\/\/ubik75.wordpress.com\/?p=101"},"modified":"2012-03-07T10:36:53","modified_gmt":"2012-03-07T10:36:53","slug":"capteur-photosensible-du-robot-mindstorms","status":"publish","type":"post","link":"http:\/\/ubik75.com\/?p=101","title":{"rendered":"Capteur photosensible du robot Mindstorms"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"102\" data-permalink=\"http:\/\/ubik75.com\/?attachment_id=102\" data-orig-file=\"http:\/\/ubik75.com\/wp-content\/uploads\/2009\/04\/capteurphoto.jpg\" data-orig-size=\"189,117\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;Thierry&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;}\" data-image-title=\"capteurphoto\" data-image-description=\"\" data-image-caption=\"\" data-medium-file=\"http:\/\/ubik75.com\/wp-content\/uploads\/2009\/04\/capteurphoto.jpg\" data-large-file=\"http:\/\/ubik75.com\/wp-content\/uploads\/2009\/04\/capteurphoto.jpg\" class=\"alignleft size-full wp-image-102\" title=\"capteurphoto\" src=\"http:\/\/ubik75.com\/wp-content\/uploads\/2009\/04\/capteurphoto.jpg\" alt=\"capteurphoto\" width=\"189\" height=\"117\" \/>Il permet au robot de faire la distinction entre la lumi\u00e8re et l&rsquo;obscurit\u00e9 et de mesurer l&rsquo;intensit\u00e9 lumineuse de surfaces color\u00e9es.<\/p>\n<p>Il peut \u00eatre utilis\u00e9 pour suivre une ligne ou d\u00e9tecter la couleur d&rsquo;un objet.<\/p>\n<p><!--more-->Utilisation de la d\u00e9tection de couleur: il faut utiliser le principe de la lumi\u00e8re r\u00e9fl\u00e9chie en activant l&rsquo;\u00e9clairage du capteur (petite led rouge allum\u00e9e).<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"104\" data-permalink=\"http:\/\/ubik75.com\/?attachment_id=104\" data-orig-file=\"http:\/\/ubik75.com\/wp-content\/uploads\/2009\/04\/couleur.jpg\" data-orig-size=\"191,139\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;Thierry&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;}\" data-image-title=\"couleur\" data-image-description=\"\" data-image-caption=\"\" data-medium-file=\"http:\/\/ubik75.com\/wp-content\/uploads\/2009\/04\/couleur.jpg\" data-large-file=\"http:\/\/ubik75.com\/wp-content\/uploads\/2009\/04\/couleur.jpg\" class=\"alignleft size-full wp-image-104\" title=\"couleur\" src=\"http:\/\/ubik75.com\/wp-content\/uploads\/2009\/04\/couleur.jpg\" alt=\"couleur\" width=\"170\" height=\"124\" \/><\/p>\n<p>Couleurs que nos yeux voient.<\/p>\n<p>Couleurs que le capteur voit, chaque couleur correspondant \u00e0 un indice de 0 \u00e0 100 correspondant \u00e0 une valeur de gris plus au moins fonc\u00e9.<\/p>\n<p>Pour la mesure de la lumi\u00e8re ambiante, pas besoin d&rsquo;activer l&rsquo;\u00e9clairage. Il suffit de mesurer la luminosit\u00e9 \u00e0 diff\u00e9rents endroits d&rsquo;une pi\u00e8ce. Un nombre \u00e9lev\u00e9 indique une luminosit\u00e9 importante, un chiffre faible, une source lumineuse moins importante.<\/p>\n","protected":false},"excerpt":{"rendered":"<img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"http:\/\/ubik75.com\/wp-content\/plugins\/thumbnail-for-excerpts\/tfe_no_thumb.png\" class=\"alignleft wp-post-image tfe\" alt=\"\" title=\"\" \/><p>Il permet au robot de faire la distinction entre la lumi\u00e8re et l&rsquo;obscurit\u00e9 et de mesurer l&rsquo;intensit\u00e9 lumineuse de surfaces color\u00e9es. Il peut \u00eatre utilis\u00e9 pour suivre une ligne ou d\u00e9tecter la couleur d&rsquo;un objet.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[7,9],"tags":[19,26,65,33],"class_list":["post-101","post","type-post","status-publish","format-standard","hentry","category-materiel","category-nxt","tag-capteur-photosensible","tag-lego","tag-luminosite","tag-mindstorms"],"aioseo_notices":[],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p2eCSX-1D","jetpack_likes_enabled":true,"_links":{"self":[{"href":"http:\/\/ubik75.com\/index.php?rest_route=\/wp\/v2\/posts\/101","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/ubik75.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/ubik75.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/ubik75.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/ubik75.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=101"}],"version-history":[{"count":2,"href":"http:\/\/ubik75.com\/index.php?rest_route=\/wp\/v2\/posts\/101\/revisions"}],"predecessor-version":[{"id":450,"href":"http:\/\/ubik75.com\/index.php?rest_route=\/wp\/v2\/posts\/101\/revisions\/450"}],"wp:attachment":[{"href":"http:\/\/ubik75.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=101"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/ubik75.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=101"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/ubik75.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=101"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}