{"id":11188,"date":"2014-10-14T07:50:38","date_gmt":"2014-10-14T07:50:38","guid":{"rendered":"http:\/\/www.recantha.co.uk\/blog\/?p=11188"},"modified":"2014-10-14T07:50:38","modified_gmt":"2014-10-14T07:50:38","slug":"driving-in-a-straight-line-with-the-raspberry-pi","status":"publish","type":"post","link":"https:\/\/www.recantha.co.uk\/blog\/?p=11188","title":{"rendered":"Driving in a straight line with the Raspberry Pi"},"content":{"rendered":"<p><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"alignnone\" src=\"https:\/\/i0.wp.com\/4tronix.co.uk\/store\/resources\/image\/18\/81\/a.jpg?resize=560%2C540\" alt=\"\" width=\"560\" height=\"540\" \/><\/p>\n<p>Martin O&#8217;Hanlon is currently building a robot and he wants it to autonomously drive in a straight line. This isn&#8217;t as easy as it sounds but he&#8217;s hit on a solution &#8211; use encoder discs on his motors and count the number of &#8216;clicks&#8217;. <a href=\"http:\/\/www.stuffaboutcode.com\/2014\/10\/raspberry-pi-initio-robot-driving.html\" target=\"_blank\">He explains more on his blog and he&#8217;s published the code to do it<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Martin O&#8217;Hanlon is currently building a robot and he wants it to autonomously drive in a straight line. This isn&#8217;t as easy as it sounds but he&#8217;s hit on a solution &#8211; use encoder discs on his motors and count&hellip;<\/p>\n<p class=\"more-link-p\"><a class=\"more-link\" href=\"https:\/\/www.recantha.co.uk\/blog\/?p=11188\">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":[39,45],"tags":[],"class_list":["post-11188","post","type-post","status-publish","format-standard","hentry","category-programming","category-robotics"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Driving in a straight line with 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=11188\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Driving in a straight line with the Raspberry Pi - Raspberry Pi Pod\" \/>\n<meta property=\"og:description\" content=\"Martin O&#8217;Hanlon is currently building a robot and he wants it to autonomously drive in a straight line. This isn&#8217;t as easy as it sounds but he&#8217;s hit on a solution &#8211; use encoder discs on his motors and count&hellip;Read more &rarr;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.recantha.co.uk\/blog\/?p=11188\" \/>\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=\"2014-10-14T07:50:38+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/4tronix.co.uk\/store\/resources\/image\/18\/81\/a.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=11188#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=11188\"},\"author\":{\"name\":\"Michael Horne\",\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/#\/schema\/person\/c27c4ef2ee1c18b130f1fcd5dcdbb263\"},\"headline\":\"Driving in a straight line with the Raspberry Pi\",\"datePublished\":\"2014-10-14T07:50:38+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=11188\"},\"wordCount\":71,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=11188#primaryimage\"},\"thumbnailUrl\":\"http:\/\/4tronix.co.uk\/store\/resources\/image\/18\/81\/a.jpg\",\"articleSection\":[\"Programming\",\"Robotics\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.recantha.co.uk\/blog\/?p=11188#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=11188\",\"url\":\"https:\/\/www.recantha.co.uk\/blog\/?p=11188\",\"name\":\"Driving in a straight line with the Raspberry Pi - 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As usual, Matt's video is clear and informative and he's done a great job cutting it together. You can watch\u2026","rel":"","context":"In &quot;Robotics&quot;","block_context":{"text":"Robotics","link":"https:\/\/www.recantha.co.uk\/blog\/?cat=45"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/img.youtube.com\/vi\/LTBBcCV7A28\/0.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":12233,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=12233","url_meta":{"origin":11188,"position":5},"title":"DIY oscilloscope uses a Raspberry Pi and LEGO!","author":"Michael Horne","date":"19 March 2015","format":false,"excerpt":"Steve Schuler wanted to build an oscilloscope. He used\u00a0LEGO, an Erector set, a LittleBits motor and a Raspberry Pi which generates the PWM necessary to drive the motor.\u00a0The motor is hooked up to a spinning mirror that sweeps the laser across some graph paper, creating a straight laser line. 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