{"id":4650,"date":"2013-06-15T08:12:15","date_gmt":"2013-06-15T08:12:15","guid":{"rendered":"http:\/\/178.62.14.192\/?p=4650"},"modified":"2013-06-15T08:12:15","modified_gmt":"2013-06-15T08:12:15","slug":"fast-io-output-to-a-tft-screen-on-a-raspberrypi","status":"publish","type":"post","link":"https:\/\/www.recantha.co.uk\/blog\/?p=4650","title":{"rendered":"Fast I\/O output to a TFT screen on a #RaspberryPi"},"content":{"rendered":"<p style=\"text-align: center;\"><a href=\"http:\/\/jeelabs.org\/2013\/06\/15\/fast-io-on-a-raspberry-pi\/\"><img src='\/blog\/wp-content\/uploads\/2013\/06\/DSC_44821.jpg' alt='\u00bb Fast I\/O on a Raspberry Pi JeeLabs' \/><\/a><\/p>\n<p>Jean-Claude Wippler has developed a way to <a href=\"http:\/\/jeelabs.org\/2013\/06\/14\/what-it-took-to-generate-that-lcd-image\/\">generate images on an LCD TFT touch screen breakout<\/a>. Part of this has been to use Gordon Henderson&#8217;s <a href=\"http:\/\/wiringpi.com\/\">WiringPi <\/a>library. He has looked to see how quickly the GPIO pins can be switched with the library. He&#8217;s worked out that the Pi can double-toggle (i.e. send a pulse) over 5 million times per second.\u00a0<a href=\"http:\/\/jeelabs.org\/2013\/06\/15\/fast-io-on-a-raspberry-pi\/\">For more details, read his blog<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Jean-Claude Wippler has developed a way to generate images on an LCD TFT touch screen breakout. Part of this has been to use Gordon Henderson&#8217;s WiringPi library. He has looked to see how quickly the GPIO pins can be switched&hellip;<\/p>\n<p class=\"more-link-p\"><a class=\"more-link\" href=\"https:\/\/www.recantha.co.uk\/blog\/?p=4650\">Read more &rarr;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","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":[22,20,39,52],"tags":[],"class_list":["post-4650","post","type-post","status-publish","format-standard","hentry","category-geeky-techiness","category-gpio-boards","category-programming","category-video"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Fast I\/O output to a TFT screen on a #RaspberryPi - 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=4650\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Fast I\/O output to a TFT screen on a #RaspberryPi - Raspberry Pi Pod\" \/>\n<meta property=\"og:description\" content=\"Jean-Claude Wippler has developed a way to generate images on an LCD TFT touch screen breakout. Part of this has been to use Gordon Henderson&#8217;s WiringPi library. He has looked to see how quickly the GPIO pins can be switched&hellip;Read more &rarr;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.recantha.co.uk\/blog\/?p=4650\" \/>\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=\"2013-06-15T08:12:15+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2013\/06\/DSC_44821.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=4650#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=4650\"},\"author\":{\"name\":\"Michael Horne\",\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/#\/schema\/person\/c27c4ef2ee1c18b130f1fcd5dcdbb263\"},\"headline\":\"Fast I\/O output to a TFT screen on a #RaspberryPi\",\"datePublished\":\"2013-06-15T08:12:15+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=4650\"},\"wordCount\":80,\"commentCount\":1,\"publisher\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/#organization\"},\"articleSection\":[\"Geeky Techiness\",\"GPIO boards\",\"Programming\",\"Video\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.recantha.co.uk\/blog\/?p=4650#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=4650\",\"url\":\"https:\/\/www.recantha.co.uk\/blog\/?p=4650\",\"name\":\"Fast I\/O output to a TFT screen on a #RaspberryPi - 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He's got a 5\" HDMI\u00a0TFT screen (which gives a resolution of 800x480) for the display and used the Picade controller board from Pimoroni. He cut and adapted various parts 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\/circuitbeard.co.uk\/media\/1184\/img_20150911_130926-1000.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/circuitbeard.co.uk\/media\/1184\/img_20150911_130926-1000.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/circuitbeard.co.uk\/media\/1184\/img_20150911_130926-1000.jpg?resize=525%2C300 1.5x"},"classes":[]},{"id":14019,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=14019","url_meta":{"origin":4650,"position":5},"title":"GPIO Zero &#8211; the development of a new GPIO library for the Raspberry Pi","author":"Michael Horne","date":"12 January 2016","format":false,"excerpt":"I've previously covered Ben Nuttall's new GPIO library, GPIO Zero, on this blog. A few weeks ago, I had an epiphany and realised just how useful it can be. Since then, I've been meaning to start using it to redevelop the Picorder. 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