{"id":18972,"date":"2018-06-26T12:07:10","date_gmt":"2018-06-26T11:07:10","guid":{"rendered":"https:\/\/www.recantha.co.uk\/blog\/?p=18972"},"modified":"2018-06-26T12:07:10","modified_gmt":"2018-06-26T11:07:10","slug":"this-raspberry-pi-powered-robot-can-change-the-shape-of-its-wheels-to-overcome-obstacles","status":"publish","type":"post","link":"https:\/\/www.recantha.co.uk\/blog\/?p=18972","title":{"rendered":"This Raspberry Pi-powered robot can change the shape of its wheels to overcome obstacles"},"content":{"rendered":"<p><a href=\"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/06\/FRILLER.gif?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-18973\" src=\"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/06\/FRILLER.gif?resize=560%2C350&#038;ssl=1\" alt=\"\" width=\"560\" height=\"350\" \/><\/a><\/p>\n<p>Al Bencomo has created this wonderful 3D-printed robot that can overcome obstacles by changing the shape of its wheels.\u00a0FRILLER (FRILL Explorer Robot) uses a Raspberry Pi 3 with Android Things OS to control motors connected via an <a href=\"https:\/\/thepihut.com\/products\/adafruit-dc-stepper-motor-hat-for-raspberry-pi\" target=\"_blank\" rel=\"noopener\">Adafruit Motor HAT<\/a>. As Al explains it:<\/p>\n<blockquote><p>The wheel deformation mechanism is composed of two DC geared motors, sliding racks, and an elastic cord. When the motors push out the racks, the wheel diameter becomes larger. The elastic cord around the wheels assists with the return of the spikes to the close position when the motors pull the racks back inside. The wheels remain round for faster travel on roads or indoors, but transform into spikes to overcome obstacles off-road.<\/p><\/blockquote>\n<p>You can <a href=\"https:\/\/www.hackster.io\/cagiva851\/friller-frill-explorer-robot-d9a8f6\" target=\"_blank\" rel=\"noopener\">read more and download the STL files for the 3D printer here<\/a>\u00a0and <a href=\"https:\/\/github.com\/IeiuniumLux\/FRILLER\" target=\"_blank\" rel=\"noopener\">view his code on GitHub here<\/a>. See it in action in the video below:<\/p>\n<p><iframe loading=\"lazy\" title=\"FRILLER (FRILL Explorer Robot)\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/IRr8w6uVp10?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>Al Bencomo has created this wonderful 3D-printed robot that can overcome obstacles by changing the shape of its wheels.\u00a0FRILLER (FRILL Explorer Robot) uses a Raspberry Pi 3 with Android Things OS to control motors connected via an Adafruit Motor HAT.&hellip;<\/p>\n<p class=\"more-link-p\"><a class=\"more-link\" href=\"https:\/\/www.recantha.co.uk\/blog\/?p=18972\">Read more &rarr;<\/a><\/p>\n","protected":false},"author":1,"featured_media":18973,"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":[2,91,22,20,50,15,39,45],"tags":[779,200,771],"class_list":["post-18972","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-3d-printing","category-android","category-geeky-techiness","category-gpio-boards","category-making","category-distros","category-programming","category-robotics","tag-al-bencomo","tag-robot","tag-robotics"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - 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The kit comes with a chassis, motors, wheels, a driver board,\u00a0a servo-controlled Pi camera and all the fixings necessary to build a great mobile robot. 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He has written it all up as a set of tutorials on Linux.com and\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\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2016\/05\/cover_1.28.23_pm.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2016\/05\/cover_1.28.23_pm.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2016\/05\/cover_1.28.23_pm.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2016\/05\/cover_1.28.23_pm.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":16540,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=16540","url_meta":{"origin":18972,"position":3},"title":"New Pi Borg robotic Kickstarter is a Monster &#8211; and a very nice Monster at that!","author":"Michael Horne","date":"3 March 2017","format":false,"excerpt":"Pi Borg, the Cambridgeshire-based robotics specialist, has just launched their latest Kickstarter, and it's a bit of a monster! There are two parts to the campaign (both of which are pictured above): the ThunderBorg motor controller and the MonsterBorg four-wheeled robot. The ThunderBorg is a 5A dual motor controller. 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It includes the following for \u00a355: a robot chassis, including two gearmotors, two wheels and a 6 x AA battery holder. a RaspiRobot Board v2 (RRB2) that plugs onto the Raspberry Pi and controls the motors, as well\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\/1.bp.blogspot.com\/-GOXoqmreqZQ\/U5BANjZd_7I\/AAAAAAAAHe8\/FUWjytSJrj8\/s1600\/finished.JPG?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/1.bp.blogspot.com\/-GOXoqmreqZQ\/U5BANjZd_7I\/AAAAAAAAHe8\/FUWjytSJrj8\/s1600\/finished.JPG?resize=350%2C200 1x, https:\/\/i0.wp.com\/1.bp.blogspot.com\/-GOXoqmreqZQ\/U5BANjZd_7I\/AAAAAAAAHe8\/FUWjytSJrj8\/s1600\/finished.JPG?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/1.bp.blogspot.com\/-GOXoqmreqZQ\/U5BANjZd_7I\/AAAAAAAAHe8\/FUWjytSJrj8\/s1600\/finished.JPG?resize=700%2C400 2x, https:\/\/i0.wp.com\/1.bp.blogspot.com\/-GOXoqmreqZQ\/U5BANjZd_7I\/AAAAAAAAHe8\/FUWjytSJrj8\/s1600\/finished.JPG?resize=1050%2C600 3x"},"classes":[]},{"id":19652,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=19652","url_meta":{"origin":18972,"position":5},"title":"Review of the 4tronix Pi2Go Mk 2 &#8211; an exquisite Raspberry Pi robot packed with features and fun","author":"Michael Horne","date":"31 July 2019","format":false,"excerpt":"Back in 2014, robotics specialist 4tronix released the Pi2Go and the Pi2Go Lite, great robotics kits using PCBs as the robot chassis, surrounding a Raspberry Pi. Now, 5 years (and many products, including this year's Pi Wars badge!) later, Gareth has designed the follow-up to the Pi2Go, conveniently called the\u2026","rel":"","context":"In &quot;Opinion&quot;","block_context":{"text":"Opinion","link":"https:\/\/www.recantha.co.uk\/blog\/?cat=34"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2019\/07\/IMG_3199-Edited.jpg?fit=1200%2C901&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2019\/07\/IMG_3199-Edited.jpg?fit=1200%2C901&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2019\/07\/IMG_3199-Edited.jpg?fit=1200%2C901&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2019\/07\/IMG_3199-Edited.jpg?fit=1200%2C901&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2019\/07\/IMG_3199-Edited.jpg?fit=1200%2C901&ssl=1&resize=1050%2C600 3x"},"classes":[]}],"_links":{"self":[{"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts\/18972","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=18972"}],"version-history":[{"count":1,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts\/18972\/revisions"}],"predecessor-version":[{"id":18974,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts\/18972\/revisions\/18974"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/media\/18973"}],"wp:attachment":[{"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=18972"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=18972"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=18972"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}