{"id":13967,"date":"2016-01-03T13:40:42","date_gmt":"2016-01-03T12:40:42","guid":{"rendered":"http:\/\/www.recantha.co.uk\/blog\/?p=13967"},"modified":"2016-01-03T13:40:42","modified_gmt":"2016-01-03T12:40:42","slug":"a-raspberry-pi-christmas-tree-on-a-lubricating-tram","status":"publish","type":"post","link":"https:\/\/www.recantha.co.uk\/blog\/?p=13967","title":{"rendered":"A Raspberry Pi Christmas tree on a lubricating tram"},"content":{"rendered":"<p><a href=\"https:\/\/www.recantha.co.uk\/blog\/?attachment_id=13968\" rel=\"attachment wp-att-13968\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-13968\" src=\"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2016\/01\/gjlnzk.gif?resize=480%2C270&#038;ssl=1\" alt=\"gjlnzk\" width=\"480\" height=\"270\" \/><\/a><\/p>\n<p>Ji\u0159\u00ed Zem\u00e1nek and Martin Gurtner were asked by journalists from\u00a0technological on-line magazine\u00a0<a class=\"ext\" href=\"http:\/\/technet.idnes.cz\/\" target=\"_blank\">Technet<\/a>\u00a0to place a remote-controlled Christmas tree on-board a tram that lubricates the tracks\u00a0around Prague. To control\u00a0the lights, they used a Raspberry Pi to run\u00a0a string of addressable WS2811 LEDs. The algorithm to produce the light pattern (which is\u00a0<em>very<\/em> complicated) was open to modification by website users who could send their own &#8216;wave&#8217; to interact with the programmed &#8216;wave&#8217;. You can <a href=\"http:\/\/aa4cc.dce.fel.cvut.cz\/content\/we-controlled-interactive-christmas-tree-lubricating-tram\" target=\"_blank\">read more here.<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ji\u0159\u00ed Zem\u00e1nek and Martin Gurtner were asked by journalists from\u00a0technological on-line magazine\u00a0Technet\u00a0to place a remote-controlled Christmas tree on-board a tram that lubricates the tracks\u00a0around Prague. To control\u00a0the lights, they used a Raspberry Pi to run\u00a0a string of addressable WS2811 LEDs.&hellip;<\/p>\n<p class=\"more-link-p\"><a class=\"more-link\" href=\"https:\/\/www.recantha.co.uk\/blog\/?p=13967\">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":[56,39],"tags":[],"class_list":["post-13967","post","type-post","status-publish","format-standard","hentry","category-art","category-programming"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>A Raspberry Pi Christmas tree on a lubricating tram - 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=13967\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"A Raspberry Pi Christmas tree on a lubricating tram - Raspberry Pi Pod\" \/>\n<meta property=\"og:description\" content=\"Ji\u0159\u00ed Zem\u00e1nek and Martin Gurtner were asked by journalists from\u00a0technological on-line magazine\u00a0Technet\u00a0to place a remote-controlled Christmas tree on-board a tram that lubricates the tracks\u00a0around Prague. To control\u00a0the lights, they used a Raspberry Pi to run\u00a0a string of addressable WS2811 LEDs.&hellip;Read more &rarr;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.recantha.co.uk\/blog\/?p=13967\" \/>\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=\"2016-01-03T12:40:42+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2016\/01\/gjlnzk.gif\" \/>\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=13967#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=13967\"},\"author\":{\"name\":\"Michael Horne\",\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/#\/schema\/person\/c27c4ef2ee1c18b130f1fcd5dcdbb263\"},\"headline\":\"A Raspberry Pi Christmas tree on a lubricating tram\",\"datePublished\":\"2016-01-03T12:40:42+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=13967\"},\"wordCount\":91,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=13967#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2016\/01\/gjlnzk.gif\",\"articleSection\":[\"Art\",\"Programming\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.recantha.co.uk\/blog\/?p=13967#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=13967\",\"url\":\"https:\/\/www.recantha.co.uk\/blog\/?p=13967\",\"name\":\"A Raspberry Pi Christmas tree on a lubricating tram - Raspberry Pi Pod\",\"isPartOf\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=13967#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=13967#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2016\/01\/gjlnzk.gif\",\"datePublished\":\"2016-01-03T12:40:42+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=13967#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.recantha.co.uk\/blog\/?p=13967\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=13967#primaryimage\",\"url\":\"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2016\/01\/gjlnzk.gif?fit=480%2C270&ssl=1\",\"contentUrl\":\"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2016\/01\/gjlnzk.gif?fit=480%2C270&ssl=1\",\"width\":480,\"height\":270},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=13967#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.recantha.co.uk\/blog\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"A Raspberry Pi Christmas tree on a lubricating tram\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/#website\",\"url\":\"https:\/\/www.recantha.co.uk\/blog\/\",\"name\":\"Raspberry Pi Pod\",\"description\":\"Experiences with the Raspberry Pi micro computer and microcontroller\",\"publisher\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.recantha.co.uk\/blog\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/#organization\",\"name\":\"Raspberry Pi Pod\",\"url\":\"https:\/\/www.recantha.co.uk\/blog\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2016\/03\/cropped-PiPod-Logo-v3.png?fit=800%2C337&ssl=1\",\"contentUrl\":\"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2016\/03\/cropped-PiPod-Logo-v3.png?fit=800%2C337&ssl=1\",\"width\":800,\"height\":337,\"caption\":\"Raspberry Pi Pod\"},\"image\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.facebook.com\/recantha\/\",\"https:\/\/x.com\/recantha\",\"https:\/\/www.linkedin.com\/in\/recantha\/\",\"https:\/\/www.youtube.com\/channel\/UCK4F9blabxzmk8Inzhs8tpg\"]},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/#\/schema\/person\/c27c4ef2ee1c18b130f1fcd5dcdbb263\",\"name\":\"Michael Horne\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/479778b0677caadde0ceb54c4129804ef674914607e3ed0998808148357d10d8?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/479778b0677caadde0ceb54c4129804ef674914607e3ed0998808148357d10d8?s=96&d=mm&r=g\",\"caption\":\"Michael Horne\"},\"url\":\"https:\/\/www.recantha.co.uk\/blog\/?author=1\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"A Raspberry Pi Christmas tree on a lubricating tram - Raspberry Pi Pod","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.recantha.co.uk\/blog\/?p=13967","og_locale":"en_US","og_type":"article","og_title":"A Raspberry Pi Christmas tree on a lubricating tram - Raspberry Pi Pod","og_description":"Ji\u0159\u00ed Zem\u00e1nek and Martin Gurtner were asked by journalists from\u00a0technological on-line magazine\u00a0Technet\u00a0to place a remote-controlled Christmas tree on-board a tram that lubricates the tracks\u00a0around Prague. To control\u00a0the lights, they used a Raspberry Pi to run\u00a0a string of addressable WS2811 LEDs.&hellip;Read more &rarr;","og_url":"https:\/\/www.recantha.co.uk\/blog\/?p=13967","og_site_name":"Raspberry Pi Pod","article_publisher":"https:\/\/www.facebook.com\/recantha\/","article_published_time":"2016-01-03T12:40:42+00:00","og_image":[{"url":"https:\/\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2016\/01\/gjlnzk.gif","type":"","width":"","height":""}],"author":"Michael Horne","twitter_card":"summary_large_image","twitter_creator":"@recantha","twitter_site":"@recantha","twitter_misc":{"Written by":"Michael Horne"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.recantha.co.uk\/blog\/?p=13967#article","isPartOf":{"@id":"https:\/\/www.recantha.co.uk\/blog\/?p=13967"},"author":{"name":"Michael Horne","@id":"https:\/\/www.recantha.co.uk\/blog\/#\/schema\/person\/c27c4ef2ee1c18b130f1fcd5dcdbb263"},"headline":"A Raspberry Pi Christmas tree on a lubricating tram","datePublished":"2016-01-03T12:40:42+00:00","mainEntityOfPage":{"@id":"https:\/\/www.recantha.co.uk\/blog\/?p=13967"},"wordCount":91,"commentCount":0,"publisher":{"@id":"https:\/\/www.recantha.co.uk\/blog\/#organization"},"image":{"@id":"https:\/\/www.recantha.co.uk\/blog\/?p=13967#primaryimage"},"thumbnailUrl":"https:\/\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2016\/01\/gjlnzk.gif","articleSection":["Art","Programming"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.recantha.co.uk\/blog\/?p=13967#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.recantha.co.uk\/blog\/?p=13967","url":"https:\/\/www.recantha.co.uk\/blog\/?p=13967","name":"A Raspberry Pi Christmas tree on a lubricating tram - Raspberry Pi Pod","isPartOf":{"@id":"https:\/\/www.recantha.co.uk\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.recantha.co.uk\/blog\/?p=13967#primaryimage"},"image":{"@id":"https:\/\/www.recantha.co.uk\/blog\/?p=13967#primaryimage"},"thumbnailUrl":"https:\/\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2016\/01\/gjlnzk.gif","datePublished":"2016-01-03T12:40:42+00:00","breadcrumb":{"@id":"https:\/\/www.recantha.co.uk\/blog\/?p=13967#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.recantha.co.uk\/blog\/?p=13967"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.recantha.co.uk\/blog\/?p=13967#primaryimage","url":"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2016\/01\/gjlnzk.gif?fit=480%2C270&ssl=1","contentUrl":"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2016\/01\/gjlnzk.gif?fit=480%2C270&ssl=1","width":480,"height":270},{"@type":"BreadcrumbList","@id":"https:\/\/www.recantha.co.uk\/blog\/?p=13967#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.recantha.co.uk\/blog"},{"@type":"ListItem","position":2,"name":"A Raspberry Pi Christmas tree on a lubricating tram"}]},{"@type":"WebSite","@id":"https:\/\/www.recantha.co.uk\/blog\/#website","url":"https:\/\/www.recantha.co.uk\/blog\/","name":"Raspberry Pi Pod","description":"Experiences with the Raspberry Pi micro computer and microcontroller","publisher":{"@id":"https:\/\/www.recantha.co.uk\/blog\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.recantha.co.uk\/blog\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.recantha.co.uk\/blog\/#organization","name":"Raspberry Pi Pod","url":"https:\/\/www.recantha.co.uk\/blog\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.recantha.co.uk\/blog\/#\/schema\/logo\/image\/","url":"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2016\/03\/cropped-PiPod-Logo-v3.png?fit=800%2C337&ssl=1","contentUrl":"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2016\/03\/cropped-PiPod-Logo-v3.png?fit=800%2C337&ssl=1","width":800,"height":337,"caption":"Raspberry Pi Pod"},"image":{"@id":"https:\/\/www.recantha.co.uk\/blog\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/recantha\/","https:\/\/x.com\/recantha","https:\/\/www.linkedin.com\/in\/recantha\/","https:\/\/www.youtube.com\/channel\/UCK4F9blabxzmk8Inzhs8tpg"]},{"@type":"Person","@id":"https:\/\/www.recantha.co.uk\/blog\/#\/schema\/person\/c27c4ef2ee1c18b130f1fcd5dcdbb263","name":"Michael Horne","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.recantha.co.uk\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/479778b0677caadde0ceb54c4129804ef674914607e3ed0998808148357d10d8?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/479778b0677caadde0ceb54c4129804ef674914607e3ed0998808148357d10d8?s=96&d=mm&r=g","caption":"Michael Horne"},"url":"https:\/\/www.recantha.co.uk\/blog\/?author=1"}]}},"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p2RsaV-3Dh","jetpack-related-posts":[{"id":13791,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=13791","url_meta":{"origin":13967,"position":0},"title":"Christmas tree lights controlled with a Raspberry Pi","author":"Michael Horne","date":"29 November 2015","format":false,"excerpt":"Last year, Anderson SIlva set his Christmas tree lights up to be controlled by a Raspberry Pi. This year, he's expanded the amount of lights being controlled by the Pi to 800! You can see it working below and read a bit more over on his blog. https:\/\/www.youtube.com\/watch?v=eBQmtJ6aUCk","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\/img.youtube.com\/vi\/eBQmtJ6aUCk\/0.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":17978,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=17978","url_meta":{"origin":13967,"position":1},"title":"Play with this set of Raspberry Pi-controlled Christmas decorations over the Internet","author":"Michael Horne","date":"22 December 2017","format":false,"excerpt":"German electrical engineering student Tobias Lauxtermann has taken a Raspberry Pi, an Arduino MEGA and several other boards and bits and pieces and created a set of Christmas decorations that are controllable over the Internet. The Pi runs a Node.JS server which receives the commands and then sends them to\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\/2017\/12\/control_xmas_decs.jpeg?fit=1200%2C750&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/12\/control_xmas_decs.jpeg?fit=1200%2C750&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/12\/control_xmas_decs.jpeg?fit=1200%2C750&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/12\/control_xmas_decs.jpeg?fit=1200%2C750&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/12\/control_xmas_decs.jpeg?fit=1200%2C750&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":17569,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=17569","url_meta":{"origin":13967,"position":2},"title":"The Return of the Raspberry Pi Christmas Tree from The Pi Hut!","author":"Michael Horne","date":"31 August 2017","format":false,"excerpt":"Jamie over at The Pi Hut has just announced that the circuit board\u00a0Christmas Tree has gone on pre-order. This product comes in two flavours: a pre-soldered tree (for \u00a315) and a soldering kit (for \u00a312). The tree is three-dimensional, slotting together from push-out circuit board parts and features 25 LEDs\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\/2017\/08\/xmas_tree.jpg?fit=1000%2C667&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/08\/xmas_tree.jpg?fit=1000%2C667&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/08\/xmas_tree.jpg?fit=1000%2C667&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/08\/xmas_tree.jpg?fit=1000%2C667&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":17938,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=17938","url_meta":{"origin":13967,"position":3},"title":"Create a NodeRED-controlled, Raspberry Pi-powered Neopixel decoration for your Christmas Tree","author":"Michael Horne","date":"14 December 2017","format":false,"excerpt":"The inimitable Mr Les Pounder has written up a brilliant project in which he utilises a string of Neopixel-like lights to give his Christmas Tree some blinky cheer. Soldered up on a ProtoZero board, the circuit requires a few bits and pieces to work and is then placed on 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\/2017\/12\/christmas_tree_neopixel.jpg?fit=900%2C1200&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/12\/christmas_tree_neopixel.jpg?fit=900%2C1200&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/12\/christmas_tree_neopixel.jpg?fit=900%2C1200&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/12\/christmas_tree_neopixel.jpg?fit=900%2C1200&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":15937,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=15937","url_meta":{"origin":13967,"position":4},"title":"Internet of Things Christmas tree uses Alexa and a Raspberry Pi","author":"Michael Horne","date":"28 November 2016","format":false,"excerpt":"Alex Ellis has taken a mini Christmas tree, a NeoPixel strip, some jumper wires and an Alexa\/Echo Dot and created an Internet of Things device that is sure to get your blinkiness senses going. The Alexa communicates with the Raspberry Pi using MQTT messages. Alex has carefully (by asking Pimoroni!)\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\/2016\/11\/alexa_christmas_tree.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2016\/11\/alexa_christmas_tree.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2016\/11\/alexa_christmas_tree.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2016\/11\/alexa_christmas_tree.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2016\/11\/alexa_christmas_tree.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2016\/11\/alexa_christmas_tree.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":19224,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=19224","url_meta":{"origin":13967,"position":5},"title":"Cotswold Raspberry Jam &#8211; THIS Saturday afternoon","author":"Michael Horne","date":"19 November 2018","format":false,"excerpt":"This Saturday 24 November sees Cotswold Raspberry Jam in Cheltenham, 1-4pm. Free tickets are available from:\u00a0http:\/\/cotswoldjam.org The event includes the Astro Pi Mission Zero tutorial\u00a0where you can get your code running on the International Space Station! If you're under 14, you'll also get a certificate posted to you after your\u2026","rel":"","context":"In &quot;Events&quot;","block_context":{"text":"Events","link":"https:\/\/www.recantha.co.uk\/blog\/?cat=19"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2016\/11\/cotswold_raspberry_jam.png?fit=350%2C200&ssl=1&resize=350%2C200","width":350,"height":200},"classes":[]}],"_links":{"self":[{"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts\/13967","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=13967"}],"version-history":[{"count":1,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts\/13967\/revisions"}],"predecessor-version":[{"id":13969,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts\/13967\/revisions\/13969"}],"wp:attachment":[{"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=13967"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=13967"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=13967"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}