{"id":15702,"date":"2025-02-17T20:56:31","date_gmt":"2025-02-17T20:56:31","guid":{"rendered":"https:\/\/obewise.com.br\/index.php\/2025\/02\/17\/antena-caseira-permite-ver-o-wifi-com-os-proprios-olhos\/"},"modified":"2025-02-17T20:56:31","modified_gmt":"2025-02-17T20:56:31","slug":"antena-caseira-permite-ver-o-wifi-com-os-proprios-olhos","status":"publish","type":"post","link":"https:\/\/obewise.com.br\/index.php\/2025\/02\/17\/antena-caseira-permite-ver-o-wifi-com-os-proprios-olhos\/","title":{"rendered":"Antena caseira permite ver o WiFi com os pr\u00f3prios olhos"},"content":{"rendered":"<p><\/p>\n<div>\n<p>J\u00e1 imaginou em realmente ver o WiFi? Enxergar os sinais de informa\u00e7\u00f5es? Pois \u00e9 exatamente isso que este projeto incr\u00edvel de Jeija consegue fazer!<\/p>\n<p>Utilizando um conjunto de antenas caseiro baseado no ESP32, ele conseguiu visualizar a intensidade e a dire\u00e7\u00e3o do sinal WiFi em tempo real.<\/p>\n<h2 class=\"wp-block-heading\">Como isso funciona?<\/h2>\n<p>O sistema usa oito microcontroladores ESP32-S2FH4 e oito antenas WiFi de 2,4 GHz, posicionadas com um pequeno espa\u00e7amento entre elas. Essas antenas captam informa\u00e7\u00f5es do canal WiFi (<em>Channel State Information \u2013 CSI<\/em>) de cada pacote recebido.<\/p>\n<p>Esses dados s\u00e3o enviados para uma placa controladora, que transmite as informa\u00e7\u00f5es via Ethernet e gera sinais de refer\u00eancia para sincronizar tudo. Assim, o sistema consegue determinar a dire\u00e7\u00e3o do sinal e sua intensidade, permitindo criar um mapa de calor que pode ser sobreposto a uma imagem de webcam.<\/p>\n<h2 class=\"wp-block-heading\">E o resultado?<\/h2>\n<p>O projeto impressionou tanto que um usu\u00e1rio comentou: <em>\u201cIsso \u00e9 absolutamente incr\u00edvel! Meu irm\u00e3o e eu fal\u00e1vamos sobre algo parecido para r\u00e1dio amador VHF, mas percebi que precisar\u00edamos de antenas absurdamente grandes para alcan\u00e7ar essa fidelidade. Esse projeto \u00e9 fant\u00e1stico!\u201d<\/em><\/p>\n<p>Se voc\u00ea gosta de tecnologia e experimenta\u00e7\u00e3o, esse projeto mostra que, com criatividade e conhecimento, d\u00e1 para transformar algo invis\u00edvel em algo que podemos ver!<\/p>\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\">\n<p>\n<iframe loading=\"lazy\" title=\"This ESP32 Antenna Array Can See WiFi\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/sXwDrcd1t-E?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>\n<\/p>\n<\/figure>\n<p>Veja mais sobre tecnologia!<\/p>\n<p><h3 class=\"jp-relatedposts-headline\"><em>Relacionado<\/em><\/h3>\n<\/p>\n<p><!-- CONTENT END 1 --><\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>J\u00e1 imaginou em realmente ver o WiFi? Enxergar os sinais de informa\u00e7\u00f5es? Pois \u00e9 exatamente isso que este projeto incr\u00edvel de Jeija consegue fazer! Utilizando um conjunto de antenas caseiro baseado no ESP32, ele conseguiu visualizar a intensidade e a dire\u00e7\u00e3o do sinal WiFi em tempo real. Como isso funciona? O sistema usa oito microcontroladores &hellip;<\/p>\n","protected":false},"author":1,"featured_media":15703,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_shortscore_rating":"","_shortscore_game":"","_shortscore_summary":"","footnotes":""},"categories":[92],"tags":[5358,5359,2859,1893,5360,5242,5357],"coauthors":[393],"class_list":["post-15702","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-geek","tag-antena","tag-caseira","tag-olhos","tag-permite","tag-proprios","tag-ver","tag-wifi"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.8 - aioseo.com -->\n\t<meta name=\"description\" content=\"J\u00e1 imaginou em realmente ver o WiFi? Enxergar os sinais de informa\u00e7\u00f5es? Pois \u00e9 exatamente isso que este projeto incr\u00edvel de Jeija consegue fazer! Utilizando um conjunto de antenas caseiro baseado no ESP32, ele conseguiu visualizar a intensidade e a dire\u00e7\u00e3o do sinal WiFi em tempo real. Como isso funciona? O sistema usa oito microcontroladores\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Fagner Lopes\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/obewise.com.br\/index.php\/2025\/02\/17\/antena-caseira-permite-ver-o-wifi-com-os-proprios-olhos\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.8\" \/>\n\t\t<meta property=\"og:locale\" content=\"pt_BR\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Obewise - Entretenimento e Network\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Antena caseira permite ver o WiFi com os pr\u00f3prios olhos - Obewise\" \/>\n\t\t<meta property=\"og:description\" content=\"J\u00e1 imaginou em realmente ver o WiFi? Enxergar os sinais de informa\u00e7\u00f5es? Pois \u00e9 exatamente isso que este projeto incr\u00edvel de Jeija consegue fazer! Utilizando um conjunto de antenas caseiro baseado no ESP32, ele conseguiu visualizar a intensidade e a dire\u00e7\u00e3o do sinal WiFi em tempo real. Como isso funciona? O sistema usa oito microcontroladores\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/obewise.com.br\/index.php\/2025\/02\/17\/antena-caseira-permite-ver-o-wifi-com-os-proprios-olhos\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2025-02-17T20:56:31+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2025-02-17T20:56:31+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/obewisenetwork\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:site\" content=\"@obewisenetwork\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Antena caseira permite ver o WiFi com os pr\u00f3prios olhos - Obewise\" \/>\n\t\t<meta name=\"twitter:description\" content=\"J\u00e1 imaginou em realmente ver o WiFi? 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