{"id":537,"date":"2014-08-19T11:25:20","date_gmt":"2014-08-19T10:25:20","guid":{"rendered":"http:\/\/ofalcao.pt\/blog\/?p=537"},"modified":"2014-08-19T11:25:20","modified_gmt":"2014-08-19T10:25:20","slug":"ad4m4st0r-um-rover-lego","status":"publish","type":"post","link":"https:\/\/ofalcao.pt\/blog\/2014\/ad4m4st0r-um-rover-lego","title":{"rendered":"AD4M4ST0R &#8211; um rover LEGO"},"content":{"rendered":"<div class=\"seriesmeta\">This post is part 1 of 9 of \u00a0<a href=\"https:\/\/ofalcao.pt\/blog\/series\/ad4m4st0r-um-rover-lego\" class=\"series-122\" title=\"AD4M4ST0R - um rover LEGO\">AD4M4ST0R - um rover LEGO<\/a><\/div><p>Na continua\u00e7\u00e3o das experi\u00eancias com o ev3dev, dois dispositivos USB um pouco mais complicados:<\/p>\n<ul>\n<li>wireless gamepad<\/li>\n<li>webcam<\/li>\n<\/ul>\n<p>Desta vez mostro primeiro o resultado e preocupo-me depois com as explica\u00e7\u00f5es \ud83d\ude42<\/p>\n<p><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-541\" src=\"https:\/\/i0.wp.com\/151.236.52.166\/blog\/wp-content\/uploads\/2014\/08\/ad4m4st0r-012-1024x768.jpg?resize=584%2C438\" alt=\"ad4m4st0r-01\" width=\"584\" height=\"438\" srcset=\"https:\/\/i0.wp.com\/ofalcao.pt\/blog\/wp-content\/uploads\/2014\/08\/ad4m4st0r-012.jpg?resize=1024%2C768&amp;ssl=1 1024w, https:\/\/i0.wp.com\/ofalcao.pt\/blog\/wp-content\/uploads\/2014\/08\/ad4m4st0r-012.jpg?resize=300%2C225&amp;ssl=1 300w, https:\/\/i0.wp.com\/ofalcao.pt\/blog\/wp-content\/uploads\/2014\/08\/ad4m4st0r-012.jpg?w=2000&amp;ssl=1 2000w, https:\/\/i0.wp.com\/ofalcao.pt\/blog\/wp-content\/uploads\/2014\/08\/ad4m4st0r-012.jpg?w=1680&amp;ssl=1 1680w\" sizes=\"auto, (max-width: 584px) 85vw, 584px\" \/><\/p>\n<div class=\"jetpack-video-wrapper\"><iframe loading=\"lazy\" title=\"AD4M4ST0R - a LEGO Mindstorms EV3 running ev3dev\" width=\"840\" height=\"630\" src=\"https:\/\/www.youtube.com\/embed\/AySaA3juzxs?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<p>O gamepad \u00e9 um gamepad gen\u00e9rico para Sony Playstation 3 e PC, penso que a maioria dos gamepads USB ser\u00e3o igualmente reconhecidos. J\u00e1 com as webcams n\u00e3o ser\u00e1 bem assim, ser\u00e1 necess\u00e1rio compatibilidade com v4l2 (webcams) ou gPhoto2 (m\u00e1quinas fotogr\u00e1ficas). Neste exemplo estou a usar uma webcam <a title=\"Logitech C170 technical specifications\" href=\"http:\/\/logitech-en-emea.custhelp.com\/app\/answers\/detail\/a_id\/24412\/section\/troubleshoot\/crid\/405\/lt_product_id\/8113\/tabs\/1,3,2,4,5\/cl\/gb,en\">Logitech C170 <\/a>que funciona com o v4l2 atrav\u00e9s do uvcvideo. Tamb\u00e9m utilizei com sucesso uma Canon Digital IXUS 500 com o gPhoto2. E tamb\u00e9m tentei com 3 webcams antigas sem sucesso (apesar de 2 delas funcionarem no meu Ubuntu&#8230; pelos vistos funcionam em modo de compatibilidade v4l1 que n\u00e3o parece existir no ev3dev).<\/p>\n<p>A foto abaixo (n\u00e3o tocada) foi tirada pelo AD4M4ST0R durante o decorrer do video anterior:<img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-544\" src=\"https:\/\/i0.wp.com\/151.236.52.166\/blog\/wp-content\/uploads\/2014\/08\/19-08-14_09h53m54s.jpg?resize=640%2C480\" alt=\"19-08-14_09h53m54s\" width=\"640\" height=\"480\" srcset=\"https:\/\/i0.wp.com\/ofalcao.pt\/blog\/wp-content\/uploads\/2014\/08\/19-08-14_09h53m54s.jpg?w=640&amp;ssl=1 640w, https:\/\/i0.wp.com\/ofalcao.pt\/blog\/wp-content\/uploads\/2014\/08\/19-08-14_09h53m54s.jpg?resize=300%2C225&amp;ssl=1 300w\" sizes=\"auto, (max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 984px) 61vw, (max-width: 1362px) 45vw, 600px\" \/><\/p>\n<p>[Actualizado a 20 de Agosto]<\/p>\n<p>Para quem estiver interessado, publiquei em artigos distintos os detalhes quanto:<\/p>\n<ul>\n<li><a title=\"ev3dev \u2013 webcam\" href=\"http:\/\/ofalcao.pt\/blog\/2014\/ev3dev-webcam\"> \u00e0 webcam<\/a><\/li>\n<li><a title=\"ev3dev \u2013 wireless gamepad\" href=\"http:\/\/ofalcao.pt\/blog\/2014\/ev3dev-wireless-gamepad\">ao gamepad<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<div class=\"seriesmeta\">This post is part 1  of 9 of \u00a0<a href=\"https:\/\/ofalcao.pt\/blog\/series\/ad4m4st0r-um-rover-lego\" class=\"series-122\" title=\"AD4M4ST0R - um rover LEGO\">AD4M4ST0R - um rover LEGO<\/a><\/div><p>Na continua\u00e7\u00e3o das experi\u00eancias com o ev3dev, dois dispositivos USB um pouco mais complicados: wireless gamepad webcam Desta vez mostro primeiro o resultado e preocupo-me depois com as explica\u00e7\u00f5es \ud83d\ude42 O gamepad \u00e9 um gamepad gen\u00e9rico para Sony Playstation 3 e PC, penso que a maioria dos gamepads USB ser\u00e3o igualmente reconhecidos. J\u00e1 com as &hellip; <a href=\"https:\/\/ofalcao.pt\/blog\/2014\/ad4m4st0r-um-rover-lego\" class=\"more-link\">Continuar a ler<span class=\"screen-reader-text\"> &#8220;AD4M4ST0R &#8211; um rover LEGO&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_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","enabled":false},"version":2}},"categories":[13,18,19,20],"tags":[63,100,101,117,118],"series":[122],"class_list":["post-537","post","type-post","status-publish","format-standard","hentry","category-ev3dev","category-lego","category-lego-mindstorms","category-linux","tag-gamepad","tag-robot","tag-rover","tag-webcam","tag-wi-fi","series-ad4m4st0r-um-rover-lego"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p2Mhyv-8F","_links":{"self":[{"href":"https:\/\/ofalcao.pt\/blog\/wp-json\/wp\/v2\/posts\/537","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ofalcao.pt\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ofalcao.pt\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ofalcao.pt\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ofalcao.pt\/blog\/wp-json\/wp\/v2\/comments?post=537"}],"version-history":[{"count":0,"href":"https:\/\/ofalcao.pt\/blog\/wp-json\/wp\/v2\/posts\/537\/revisions"}],"wp:attachment":[{"href":"https:\/\/ofalcao.pt\/blog\/wp-json\/wp\/v2\/media?parent=537"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ofalcao.pt\/blog\/wp-json\/wp\/v2\/categories?post=537"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ofalcao.pt\/blog\/wp-json\/wp\/v2\/tags?post=537"},{"taxonomy":"series","embeddable":true,"href":"https:\/\/ofalcao.pt\/blog\/wp-json\/wp\/v2\/series?post=537"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}