{"id":18844,"date":"2018-05-25T08:42:02","date_gmt":"2018-05-25T07:42:02","guid":{"rendered":"http:\/\/www.recantha.co.uk\/blog\/?p=18844"},"modified":"2018-05-25T08:42:02","modified_gmt":"2018-05-25T07:42:02","slug":"counting-bees-in-a-hive-with-a-raspberry-pi","status":"publish","type":"post","link":"https:\/\/www.recantha.co.uk\/blog\/?p=18844","title":{"rendered":"Counting bees in a hive with a Raspberry Pi"},"content":{"rendered":"<p><a href=\"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/05\/hive.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-18845\" src=\"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/05\/hive.png?resize=560%2C399&#038;ssl=1\" alt=\"\" width=\"560\" height=\"399\" srcset=\"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/05\/hive.png?w=640&amp;ssl=1 640w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/05\/hive.png?resize=300%2C214&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/05\/hive.png?resize=560%2C399&amp;ssl=1 560w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/05\/hive.png?resize=260%2C185&amp;ssl=1 260w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/05\/hive.png?resize=160%2C114&amp;ssl=1 160w\" sizes=\"auto, (max-width: 560px) 100vw, 560px\" \/><\/a><\/p>\n<p>Mat Kelcey set-up a bee hive and wondered if there was a way to count the number of bees in the hive. This, he reasoned, would give him a good indication of the health of the hive and some interesting information for studying behaviour. He set-up a Raspberry Pi, a Pi Camera, some power circuitry and put it all inside a plastic tub. Power is supplied from a LiPo with a solar panel for charging. There&#8217;s a whole bunch of stuff on his write-up about image processing, neural networks and TensorFlow that I admit to not really understanding, but if you dig deep, there&#8217;s a tremendous amount of detail. You can <a href=\"http:\/\/matpalm.com\/blog\/counting_bees\/\" target=\"_blank\" rel=\"noopener\">read his write-up here<\/a>\u00a0and <a href=\"https:\/\/github.com\/matpalm\/bnn\" target=\"_blank\" rel=\"noopener\">see his code on GitHub<\/a>.<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/05\/bees.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-18846\" src=\"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/05\/bees.png?resize=560%2C401&#038;ssl=1\" alt=\"\" width=\"560\" height=\"401\" srcset=\"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/05\/bees.png?w=608&amp;ssl=1 608w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/05\/bees.png?resize=300%2C215&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/05\/bees.png?resize=560%2C401&amp;ssl=1 560w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/05\/bees.png?resize=260%2C186&amp;ssl=1 260w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/05\/bees.png?resize=160%2C114&amp;ssl=1 160w\" sizes=\"auto, (max-width: 560px) 100vw, 560px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Mat Kelcey set-up a bee hive and wondered if there was a way to count the number of bees in the hive. This, he reasoned, would give him a good indication of the health of the hive and some interesting&hellip;<\/p>\n<p class=\"more-link-p\"><a class=\"more-link\" href=\"https:\/\/www.recantha.co.uk\/blog\/?p=18844\">Read more &rarr;<\/a><\/p>\n","protected":false},"author":1,"featured_media":18846,"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":[8,70,36,39,43,68,51],"tags":[743,329],"class_list":["post-18844","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-camera-module","category-nature","category-photography","category-programming","category-research","category-science","category-tutorials","tag-bees","tag-image-processing"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Counting bees in a hive 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=18844\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Counting bees in a hive with a Raspberry Pi - Raspberry Pi Pod\" \/>\n<meta property=\"og:description\" content=\"Mat Kelcey set-up a bee hive and wondered if there was a way to count the number of bees in the hive. This, he reasoned, would give him a good indication of the health of the hive and some interesting&hellip;Read more &rarr;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.recantha.co.uk\/blog\/?p=18844\" \/>\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=\"2018-05-25T07:42:02+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/i2.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/05\/bees.png?fit=608%2C435&ssl=1\" \/>\n\t<meta property=\"og:image:width\" content=\"608\" \/>\n\t<meta property=\"og:image:height\" content=\"435\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\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\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\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:\/\/www.recantha.co.uk\/blog\/?p=18844#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=18844\"},\"author\":{\"name\":\"Michael Horne\",\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/#\/schema\/person\/c27c4ef2ee1c18b130f1fcd5dcdbb263\"},\"headline\":\"Counting bees in a hive with a Raspberry Pi\",\"datePublished\":\"2018-05-25T07:42:02+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=18844\"},\"wordCount\":132,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=18844#primaryimage\"},\"thumbnailUrl\":\"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/05\/bees.png?fit=608%2C435&ssl=1\",\"keywords\":[\"bees\",\"image processing\"],\"articleSection\":[\"Camera module\",\"Nature\",\"Photography\",\"Programming\",\"Research\",\"Science\",\"Tutorials\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.recantha.co.uk\/blog\/?p=18844#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=18844\",\"url\":\"https:\/\/www.recantha.co.uk\/blog\/?p=18844\",\"name\":\"Counting bees in a hive with a Raspberry Pi - 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A Newcastle-based engineer has developed a system to track the flight paths and behaviour of bees at London's Kew Gardens. A pack consisting of a tiny RFID tag and an aerial is glued to the back of each individual bee\u2026","rel":"","context":"In &quot;Making&quot;","block_context":{"text":"Making","link":"https:\/\/www.recantha.co.uk\/blog\/?cat=50"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/ichef.bbci.co.uk\/news\/660\/media\/images\/81862000\/jpg\/_81862788_bee2.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/ichef.bbci.co.uk\/news\/660\/media\/images\/81862000\/jpg\/_81862788_bee2.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/ichef.bbci.co.uk\/news\/660\/media\/images\/81862000\/jpg\/_81862788_bee2.jpg?resize=525%2C300 1.5x"},"classes":[]},{"id":16707,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=16707","url_meta":{"origin":18844,"position":1},"title":"Southend Raspberry Jam &#8211; 20th May","author":"Michael Horne","date":"6 April 2017","format":false,"excerpt":"There will be a Raspberry Jam at The Hive Enterprise Centre in Southend-on-Sea on the 20th May. 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There will be talks, workshops and a marketplace featuring\u00a0Rapid Electronics. Sounds like it'll be a great event. You definitely need to book as tickets are going fast! More\u2026","rel":"","context":"In &quot;Events&quot;","block_context":{"text":"Events","link":"https:\/\/www.recantha.co.uk\/blog\/?cat=19"},"img":{"alt_text":"JamLogo","src":"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2015\/03\/JamLogo.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2015\/03\/JamLogo.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2015\/03\/JamLogo.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2015\/03\/JamLogo.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":18017,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=18017","url_meta":{"origin":18844,"position":3},"title":"Portable trail camera uses a single power source and a Raspberry Pi","author":"Michael Horne","date":"7 January 2018","format":false,"excerpt":"Gary has taken a Raspberry Pi 2, a Pi NoIR Camera and an Infrared LED light source and created a portable 'trail camera'. A 12V power source provides the necessary juice for the LEDs and a PiBorg BattBorg steps the 12V down to 5V for the Raspberry Pi. There's a\u2026","rel":"","context":"In &quot;Accessories&quot;","block_context":{"text":"Accessories","link":"https:\/\/www.recantha.co.uk\/blog\/?cat=54"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/01\/trailcam.png?fit=1200%2C640&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/01\/trailcam.png?fit=1200%2C640&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/01\/trailcam.png?fit=1200%2C640&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/01\/trailcam.png?fit=1200%2C640&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/01\/trailcam.png?fit=1200%2C640&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":2629,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=2629","url_meta":{"origin":18844,"position":4},"title":"Tweaking the #RaspberryPi for low-latency audio processing","author":"Michael Horne","date":"4 March 2013","format":false,"excerpt":"This is just something I saw pop up on Twitter. I don't do it myself, but there's a lot of info about getting your Raspberry Pi to perform when processing audio and avoiding many of the pitfalls. Here's what their site says about the article: The Raspberry Pi can be\u2026","rel":"","context":"With 1 comment","block_context":{"text":"With 1 comment","link":"https:\/\/www.recantha.co.uk\/blog\/?p=2629#comments"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":14038,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=14038","url_meta":{"origin":18844,"position":5},"title":"Self-driving remote control model car uses Raspberry Pi as brain","author":"Michael Horne","date":"18 January 2016","format":false,"excerpt":"Zheng Wang has taken a model Range Rover and slapped a Raspberry Pi and camera module on top, along with a portable power supply. His aims were to build a system that would self-drive along\u00a0a\u00a0track detect stop signs and traffic lights avoid\u00a0front collisions Through\u00a0a lot of image processing and detection,\u2026","rel":"","context":"In &quot;Camera module&quot;","block_context":{"text":"Camera module","link":"https:\/\/www.recantha.co.uk\/blog\/?cat=8"},"img":{"alt_text":"","src":"https:\/\/zhengludwig.files.wordpress.com\/2015\/07\/img_8988.jpg?w=350&h=200&crop=1","width":350,"height":200,"srcset":"https:\/\/zhengludwig.files.wordpress.com\/2015\/07\/img_8988.jpg?w=350&h=200&crop=1 1x, https:\/\/zhengludwig.files.wordpress.com\/2015\/07\/img_8988.jpg?w=525&h=300&crop=1 1.5x, https:\/\/zhengludwig.files.wordpress.com\/2015\/07\/img_8988.jpg?w=700&h=400&crop=1 2x, https:\/\/zhengludwig.files.wordpress.com\/2015\/07\/img_8988.jpg?w=1050&h=600&crop=1 3x"},"classes":[]}],"_links":{"self":[{"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts\/18844","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=18844"}],"version-history":[{"count":1,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts\/18844\/revisions"}],"predecessor-version":[{"id":18847,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts\/18844\/revisions\/18847"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/media\/18846"}],"wp:attachment":[{"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=18844"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=18844"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=18844"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}