{"id":18931,"date":"2018-06-13T09:17:30","date_gmt":"2018-06-13T08:17:30","guid":{"rendered":"http:\/\/www.recantha.co.uk\/blog\/?p=18931"},"modified":"2018-06-13T09:17:30","modified_gmt":"2018-06-13T08:17:30","slug":"using-a-unicornhat-and-a-skywriter-gesture-board-together-on-a-raspberry-pi","status":"publish","type":"post","link":"https:\/\/www.recantha.co.uk\/blog\/?p=18931","title":{"rendered":"Using a UnicornHAT and a Skywriter gesture board together on a Raspberry Pi"},"content":{"rendered":"<p><a href=\"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/06\/skywriter.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-18932\" src=\"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/06\/skywriter.jpg?resize=560%2C529&#038;ssl=1\" alt=\"\" width=\"560\" height=\"529\" srcset=\"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/06\/skywriter.jpg?w=800&amp;ssl=1 800w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/06\/skywriter.jpg?resize=300%2C284&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/06\/skywriter.jpg?resize=768%2C726&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/06\/skywriter.jpg?resize=560%2C529&amp;ssl=1 560w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/06\/skywriter.jpg?resize=260%2C246&amp;ssl=1 260w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/06\/skywriter.jpg?resize=160%2C151&amp;ssl=1 160w\" sizes=\"auto, (max-width: 560px) 100vw, 560px\" \/><\/a><\/p>\n<p><a href=\"http:\/\/www.twitter.com\/KnightOfPi\" target=\"_blank\" rel=\"noopener\">Johannes Bergs<\/a>\u00a0has taken a Pimoroni\u00a0<a title=\"Skywriter gesture sensor GitHub\" href=\"https:\/\/github.com\/pimoroni\/skywriter-hat\" rel=\"nofollow\">Skywriter<\/a>\u00a0board and a UnicornHAT and connected them, via a pHAT stack board to a Raspberry Pi. He has then programmed the Pi to change the colour of the Unicorn&#8217;s pixels based on the position of the hand above the Skywriter. <a href=\"http:\/\/www.knight-of-pi.org\/painting-colors-with-the-skywriter-gesture-sensor-and-the-unicornhat\/\" target=\"_blank\" rel=\"noopener\">Instructions on how to do it are over on his blog<\/a>\u00a0and you can see it in action below:<\/p>\n<p><iframe loading=\"lazy\" title=\"Raspberry Pi Skywriter demo with UnicornHAT\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/nASxcKyS5U4?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><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Johannes Bergs\u00a0has taken a Pimoroni\u00a0Skywriter\u00a0board and a UnicornHAT and connected them, via a pHAT stack board to a Raspberry Pi. He has then programmed the Pi to change the colour of the Unicorn&#8217;s pixels based on the position of the&hellip;<\/p>\n<p class=\"more-link-p\"><a class=\"more-link\" href=\"https:\/\/www.recantha.co.uk\/blog\/?p=18931\">Read more &rarr;<\/a><\/p>\n","protected":false},"author":1,"featured_media":18932,"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":[80,20],"tags":[766,151,768,767],"class_list":["post-18931","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blinkies","category-gpio-boards","tag-knight-of-pi","tag-pimoroni","tag-skywriter","tag-unicornhat"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Using a UnicornHAT and a Skywriter gesture board together on 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=18931\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Using a UnicornHAT and a Skywriter gesture board together on a Raspberry Pi - Raspberry Pi Pod\" \/>\n<meta property=\"og:description\" content=\"Johannes Bergs\u00a0has taken a Pimoroni\u00a0Skywriter\u00a0board and a UnicornHAT and connected them, via a pHAT stack board to a Raspberry Pi. He has then programmed the Pi to change the colour of the Unicorn&#8217;s pixels based on the position of the&hellip;Read more &rarr;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.recantha.co.uk\/blog\/?p=18931\" \/>\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=\"2018-06-13T08:17:30+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/06\/skywriter.jpg?fit=800%2C756&ssl=1\" \/>\n\t<meta property=\"og:image:width\" content=\"800\" \/>\n\t<meta property=\"og:image:height\" content=\"756\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\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=18931#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=18931\"},\"author\":{\"name\":\"Michael Horne\",\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/#\/schema\/person\/c27c4ef2ee1c18b130f1fcd5dcdbb263\"},\"headline\":\"Using a UnicornHAT and a Skywriter gesture board together on a Raspberry Pi\",\"datePublished\":\"2018-06-13T08:17:30+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=18931\"},\"wordCount\":88,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=18931#primaryimage\"},\"thumbnailUrl\":\"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/06\/skywriter.jpg?fit=800%2C756&ssl=1\",\"keywords\":[\"knight of pi\",\"pimoroni\",\"skywriter\",\"unicornHAT\"],\"articleSection\":[\"Blinkies\",\"GPIO boards\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.recantha.co.uk\/blog\/?p=18931#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=18931\",\"url\":\"https:\/\/www.recantha.co.uk\/blog\/?p=18931\",\"name\":\"Using a UnicornHAT and a Skywriter gesture board together on a Raspberry Pi - 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By waving a hand over the Skywriter board, he can set the 'Wheel' going which is displayed on the circle. 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By moving his hand over the top of the Skywriter HAT, he can manipulate a 3D-projected image within the pyramid. 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Lo-and-behold this blog post came up in a general search for Unicorn HAT stuff. Sandy MacDonald has used a pair of\u00a0Black HAT Hack3r boards to allow him to daisy-chain\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\/sandyjmacdonald.github.io\/assets\/unicorn_skywriter.gif?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/sandyjmacdonald.github.io\/assets\/unicorn_skywriter.gif?resize=350%2C200 1x, https:\/\/i0.wp.com\/sandyjmacdonald.github.io\/assets\/unicorn_skywriter.gif?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/sandyjmacdonald.github.io\/assets\/unicorn_skywriter.gif?resize=700%2C400 2x"},"classes":[]},{"id":14098,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=14098","url_meta":{"origin":18931,"position":3},"title":"Control an X-wing in Minecraft using the Raspberry Pi and Skywriter HAT","author":"Michael Horne","date":"25 January 2016","format":false,"excerpt":"Scott Turner has combined a couple of other tutorials\u00a0to enable you to program a gesture interface that will control a model of an X-wing in Minecraft. He builds upon the work done by Martin O'Hanlon and others and adds the Skywriter HAT into the mix. Read how to do it\u2026","rel":"","context":"In &quot;Games&quot;","block_context":{"text":"Games","link":"https:\/\/www.recantha.co.uk\/blog\/?cat=21"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/3.bp.blogspot.com\/-Iok_YI0_4dU\/VoZU39XYwuI\/AAAAAAAACZM\/Y_MLsUeEybY\/s320\/IMG_0249.JPG?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":14341,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=14341","url_meta":{"origin":18931,"position":4},"title":"Raspberry Pi-powered experiment workshops for Body Science Saturday &#8211; Braintree &#8211; 19th March","author":"Michael Horne","date":"14 March 2016","format":false,"excerpt":"Andy Melder, who is one of the organisers of\u00a0the splendid Southend Raspberry Jam, is running Raspberry Pi-powered drop-in sessions throughout the day this Saturday at Braintree District Museum on Manor Street in Braintree, Essex. Running from 10am-4pm, the workshops\u00a0will feature the following: SonicPi for the AstroPi competition (if possible, please\u00a0bring\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\/03\/bodyscience.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2016\/03\/bodyscience.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2016\/03\/bodyscience.jpg?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":15937,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=15937","url_meta":{"origin":18931,"position":5},"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":[]}],"_links":{"self":[{"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts\/18931","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=18931"}],"version-history":[{"count":1,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts\/18931\/revisions"}],"predecessor-version":[{"id":18933,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts\/18931\/revisions\/18933"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/media\/18932"}],"wp:attachment":[{"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=18931"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=18931"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=18931"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}