{"id":14320,"date":"2016-03-11T12:42:27","date_gmt":"2016-03-11T11:42:27","guid":{"rendered":"http:\/\/www.recantha.co.uk\/blog\/?p=14320"},"modified":"2016-03-11T12:42:27","modified_gmt":"2016-03-11T11:42:27","slug":"create-an-open-wifi-network-sniffer-with-a-raspberry-pi","status":"publish","type":"post","link":"https:\/\/www.recantha.co.uk\/blog\/?p=14320","title":{"rendered":"Create an open wifi network sniffer with a Raspberry Pi"},"content":{"rendered":"<p><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"alignnone\" src=\"https:\/\/i0.wp.com\/www.dexterindustries.com\/wp-content\/uploads\/2016\/01\/UndercoverInside.jpg?resize=560%2C364\" alt=\"\" width=\"560\" height=\"364\" \/><\/p>\n<p>Here&#8217;s a nice little tutorial from Dexter Industries. In it, they use a Raspberry Pi, their <a href=\"http:\/\/www.dexterindustries.com\/shop\/grovepi-starter-kit-2\/\" target=\"_blank\">GrovePi add-on board<\/a>, an LCD screen and a buzzer to create a system that will alert you when an open wifi network is found.\u00a0<strong>Please note: <\/strong>this pushes the bounds of legality a little bit, but (as the tutorial says) as long as you\u00a0<em>find<\/em> the network and don&#8217;t\u00a0<em>use<\/em> it without permission, you&#8217;re fine. <a href=\"http:\/\/www.dexterindustries.com\/projects\/open-wifi-finder\/\" target=\"_blank\">Read it and get the code here<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Here&#8217;s a nice little tutorial from Dexter Industries. In it, they use a Raspberry Pi, their GrovePi add-on board, an LCD screen and a buzzer to create a system that will alert you when an open wifi network is found.\u00a0Please&hellip;<\/p>\n<p class=\"more-link-p\"><a class=\"more-link\" href=\"https:\/\/www.recantha.co.uk\/blog\/?p=14320\">Read more &rarr;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","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":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[54,20,33,39,49,51],"tags":[],"class_list":["post-14320","post","type-post","status-publish","format-standard","hentry","category-accessories","category-gpio-boards","category-networking","category-programming","category-software","category-tutorials"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Create an open wifi network sniffer with a Raspberry Pi - Raspberry Pi Pod<\/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:\/\/www.recantha.co.uk\/blog\/?p=14320\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Create an open wifi network sniffer with a Raspberry Pi - Raspberry Pi Pod\" \/>\n<meta property=\"og:description\" content=\"Here&#8217;s a nice little tutorial from Dexter Industries. In it, they use a Raspberry Pi, their GrovePi add-on board, an LCD screen and a buzzer to create a system that will alert you when an open wifi network is found.\u00a0Please&hellip;Read more &rarr;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.recantha.co.uk\/blog\/?p=14320\" \/>\n<meta property=\"og:site_name\" content=\"Raspberry Pi Pod\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/recantha\/\" \/>\n<meta property=\"article:published_time\" content=\"2016-03-11T11:42:27+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/www.dexterindustries.com\/wp-content\/uploads\/2016\/01\/UndercoverInside.jpg\" \/>\n<meta name=\"author\" content=\"Michael Horne\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@recantha\" \/>\n<meta name=\"twitter:site\" content=\"@recantha\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Michael Horne\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=14320#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=14320\"},\"author\":{\"name\":\"Michael Horne\",\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/#\/schema\/person\/c27c4ef2ee1c18b130f1fcd5dcdbb263\"},\"headline\":\"Create an open wifi network sniffer with a Raspberry Pi\",\"datePublished\":\"2016-03-11T11:42:27+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=14320\"},\"wordCount\":91,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=14320#primaryimage\"},\"thumbnailUrl\":\"http:\/\/www.dexterindustries.com\/wp-content\/uploads\/2016\/01\/UndercoverInside.jpg\",\"articleSection\":[\"Accessories\",\"GPIO boards\",\"Networking\",\"Programming\",\"Software\",\"Tutorials\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.recantha.co.uk\/blog\/?p=14320#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=14320\",\"url\":\"https:\/\/www.recantha.co.uk\/blog\/?p=14320\",\"name\":\"Create an open wifi network sniffer with a Raspberry Pi - 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I've done this myself and it's a great way of\u2026","rel":"","context":"In &quot;Networking&quot;","block_context":{"text":"Networking","link":"https:\/\/www.recantha.co.uk\/blog\/?cat=33"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/02\/Raspberry-Pi-Print-Server-v2.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/02\/Raspberry-Pi-Print-Server-v2.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/02\/Raspberry-Pi-Print-Server-v2.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/02\/Raspberry-Pi-Print-Server-v2.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":11326,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=11326","url_meta":{"origin":14320,"position":4},"title":"Monitor your home network usage from a Raspberry Pi","author":"Michael Horne","date":"31 October 2014","format":false,"excerpt":"Rotem Tamir\u00a0has blogged about a way to use your Pi, Firebase, AngularJS and some Python to monitor your home wifi network. It's a full tutorial and should take about an hour for you to replicate it. Read the tutorial here.","rel":"","context":"In &quot;Networking&quot;","block_context":{"text":"Networking","link":"https:\/\/www.recantha.co.uk\/blog\/?cat=33"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/d262ilb51hltx0.cloudfront.net\/max\/743\/1%2AT36BlXGC-bnNE8XDBB-55Q.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/d262ilb51hltx0.cloudfront.net\/max\/743\/1%2AT36BlXGC-bnNE8XDBB-55Q.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/d262ilb51hltx0.cloudfront.net\/max\/743\/1%2AT36BlXGC-bnNE8XDBB-55Q.png?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/d262ilb51hltx0.cloudfront.net\/max\/743\/1%2AT36BlXGC-bnNE8XDBB-55Q.png?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":15355,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=15355","url_meta":{"origin":14320,"position":5},"title":"Find out who&#8217;s at home or in the office by using a Raspberry Pi and Initial State","author":"Michael Horne","date":"27 August 2016","format":false,"excerpt":"Rachel Gregory, over at IoT company Initial State, has just published an excellent tutorial that takes you through the steps required to write a \"who's at home\/who's in the office\" service. The tutorial uses a Raspberry Pi Zero (any Pi will work) to detect devices connected to a wifi network.\u2026","rel":"","context":"In &quot;Home automation&quot;","block_context":{"text":"Home automation","link":"https:\/\/www.recantha.co.uk\/blog\/?cat=25"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/blog.initialstate.com\/wp-content\/uploads\/2016\/08\/PiPresenceMain.png?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/blog.initialstate.com\/wp-content\/uploads\/2016\/08\/PiPresenceMain.png?resize=350%2C200 1x, https:\/\/i0.wp.com\/blog.initialstate.com\/wp-content\/uploads\/2016\/08\/PiPresenceMain.png?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/blog.initialstate.com\/wp-content\/uploads\/2016\/08\/PiPresenceMain.png?resize=700%2C400 2x, https:\/\/i0.wp.com\/blog.initialstate.com\/wp-content\/uploads\/2016\/08\/PiPresenceMain.png?resize=1050%2C600 3x, https:\/\/i0.wp.com\/blog.initialstate.com\/wp-content\/uploads\/2016\/08\/PiPresenceMain.png?resize=1400%2C800 4x"},"classes":[]}],"_links":{"self":[{"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts\/14320","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=14320"}],"version-history":[{"count":1,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts\/14320\/revisions"}],"predecessor-version":[{"id":14321,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts\/14320\/revisions\/14321"}],"wp:attachment":[{"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=14320"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=14320"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=14320"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}