{"id":12121,"date":"2015-03-06T13:02:32","date_gmt":"2015-03-06T13:02:32","guid":{"rendered":"http:\/\/www.recantha.co.uk\/blog\/?p=12121"},"modified":"2015-03-06T13:03:47","modified_gmt":"2015-03-06T13:03:47","slug":"control-the-unicorn-hat-with-the-skywriter-hat-on-the-raspberry-pi","status":"publish","type":"post","link":"https:\/\/www.recantha.co.uk\/blog\/?p=12121","title":{"rendered":"Control the Unicorn HAT with the Skywriter HAT on the Raspberry Pi"},"content":{"rendered":"<p><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"alignnone\" src=\"https:\/\/i0.wp.com\/sandyjmacdonald.github.io\/assets\/unicorn_skywriter.gif?resize=560%2C315\" alt=\"\" width=\"560\" height=\"315\" \/><\/p>\n<p>I&#8217;ve been playing around with a recently-purchased Unicorn HAT and I was just wondering if it was possible to do this! Lo-and-behold <a href=\"http:\/\/sandyjmacdonald.github.io\/2014\/12\/29\/controlling-the-pimoroni-unicorn-hat-with-the-skywriter\/\" target=\"_blank\">this blog post<\/a> 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 the two HATs. A little bit of Gaussian programming later and he now has a fascinating little display that reacts to movement above the Skywriter. <a href=\"http:\/\/sandyjmacdonald.github.io\/2014\/12\/29\/controlling-the-pimoroni-unicorn-hat-with-the-skywriter\/\" target=\"_blank\">Read how he did it here<\/a>. He&#8217;s also done a tutorial on using the Skywriter as a colour control for the Unicorn. You can <a href=\"http:\/\/sandyjmacdonald.github.io\/2015\/01\/07\/using-the-pimoroni-unicorn-hat-and-skywriter-as-a-colour-palette\/\" target=\"_blank\">find that here<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>I&#8217;ve been playing around with a recently-purchased Unicorn HAT and I was just wondering if it was possible to do this! Lo-and-behold this blog post came up in a general search for Unicorn HAT stuff. Sandy MacDonald has used a&hellip;<\/p>\n<p class=\"more-link-p\"><a class=\"more-link\" href=\"https:\/\/www.recantha.co.uk\/blog\/?p=12121\">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":[54,22,20,67,39,51],"tags":[],"class_list":["post-12121","post","type-post","status-publish","format-standard","hentry","category-accessories","category-geeky-techiness","category-gpio-boards","category-graphics","category-programming","category-tutorials"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Control the Unicorn HAT with the Skywriter HAT on the 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=12121\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Control the Unicorn HAT with the Skywriter HAT on the Raspberry Pi - Raspberry Pi Pod\" \/>\n<meta property=\"og:description\" content=\"I&#8217;ve been playing around with a recently-purchased Unicorn HAT and I was just wondering if it was possible to do this! Lo-and-behold this blog post came up in a general search for Unicorn HAT stuff. Sandy MacDonald has used a&hellip;Read more &rarr;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.recantha.co.uk\/blog\/?p=12121\" \/>\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=\"2015-03-06T13:02:32+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2015-03-06T13:03:47+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/sandyjmacdonald.github.io\/assets\/unicorn_skywriter.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\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=12121#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=12121\"},\"author\":{\"name\":\"Michael Horne\",\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/#\/schema\/person\/c27c4ef2ee1c18b130f1fcd5dcdbb263\"},\"headline\":\"Control the Unicorn HAT with the Skywriter HAT on the Raspberry Pi\",\"datePublished\":\"2015-03-06T13:02:32+00:00\",\"dateModified\":\"2015-03-06T13:03:47+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=12121\"},\"wordCount\":118,\"commentCount\":1,\"publisher\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=12121#primaryimage\"},\"thumbnailUrl\":\"http:\/\/sandyjmacdonald.github.io\/assets\/unicorn_skywriter.gif\",\"articleSection\":[\"Accessories\",\"Geeky Techiness\",\"GPIO boards\",\"Graphics\",\"Programming\",\"Tutorials\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.recantha.co.uk\/blog\/?p=12121#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=12121\",\"url\":\"https:\/\/www.recantha.co.uk\/blog\/?p=12121\",\"name\":\"Control the Unicorn HAT with the Skywriter HAT on the Raspberry Pi - 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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":19136,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=19136","url_meta":{"origin":12121,"position":1},"title":"Build a Holo Cube using a Raspberry Pi and a hologram pyramid","author":"Michael Horne","date":"27 August 2018","format":false,"excerpt":"Michael Darby has taken a 5 inch LCD screen, a holographic pyramid, a Skywriter HAT and, of course, a Raspberry Pi and created a Holo Cube. 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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He has then programmed the Pi to change the colour of the Unicorn's pixels based on the position of the hand above the Skywriter. Instructions on how to do it\u2026","rel":"","context":"In &quot;Blinkies&quot;","block_context":{"text":"Blinkies","link":"https:\/\/www.recantha.co.uk\/blog\/?cat=80"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/06\/skywriter.jpg?fit=800%2C756&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/06\/skywriter.jpg?fit=800%2C756&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/06\/skywriter.jpg?fit=800%2C756&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/06\/skywriter.jpg?fit=800%2C756&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":18925,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=18925","url_meta":{"origin":12121,"position":3},"title":"Create a Wheel of Fortune with RasPiO Inspiring, the Skywriter and a Raspberry Pi","author":"Michael Horne","date":"12 June 2018","format":false,"excerpt":"Simon Bugler has taken a Raspberry Pi, a Skywriter gesture-detection board and a RasPiO Inspiring circle and driver board\u00a0and created this quite lovely Wheel of Fortune. By waving a hand over the Skywriter board, he can set the 'Wheel' going which is displayed on the circle. The software that he's\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\/06\/wheel-of-fortune.gif?fit=600%2C338&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/06\/wheel-of-fortune.gif?fit=600%2C338&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/06\/wheel-of-fortune.gif?fit=600%2C338&ssl=1&resize=525%2C300 1.5x"},"classes":[]},{"id":11761,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=11761","url_meta":{"origin":12121,"position":4},"title":"Snake on the Raspberry Pi using the Unicorn HAT","author":"Michael Horne","date":"12 January 2015","format":false,"excerpt":"Paul Brown has blogged about some code publicly released by\u00a0another Paul Brown. The code, when installed, will allow you to play the game of Snake on a Unicorn HAT using the arrow keys for control. You can view the code here.","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\/lh4.googleusercontent.com\/-2N9i3W8eCdM\/VLGpNrtY6ZI\/AAAAAAAABws\/BeU-Z7lujM0\/s640\/blogger-image--304949420.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":11817,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=11817","url_meta":{"origin":12121,"position":5},"title":"Scrolling text on the Raspberry Pi Unicorn HAT","author":"Michael Horne","date":"20 January 2015","format":false,"excerpt":"Richard Hayler (who wrote an excellent blog post on generating 3D text inside Minecraft) has also written some code which will scroll text across a Unicorn HAT. Read\u00a0his blog post about it\u00a0here. You can buy a Unicorn HAT for around \u00a324-25 from Pimoroni or from The Pi Hut.","rel":"","context":"In &quot;GPIO boards&quot;","block_context":{"text":"GPIO boards","link":"https:\/\/www.recantha.co.uk\/blog\/?cat=20"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/cdn.shopify.com\/s\/files\/1\/0174\/1800\/products\/Unicorn_Still_4_grande.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/cdn.shopify.com\/s\/files\/1\/0174\/1800\/products\/Unicorn_Still_4_grande.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/cdn.shopify.com\/s\/files\/1\/0174\/1800\/products\/Unicorn_Still_4_grande.jpg?resize=525%2C300 1.5x"},"classes":[]}],"_links":{"self":[{"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts\/12121","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=12121"}],"version-history":[{"count":2,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts\/12121\/revisions"}],"predecessor-version":[{"id":12123,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts\/12121\/revisions\/12123"}],"wp:attachment":[{"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=12121"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=12121"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=12121"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}