{"id":934,"date":"2022-06-13T22:27:59","date_gmt":"2022-06-13T21:27:59","guid":{"rendered":"http:\/\/www.thelemmingfarm.uk\/?p=934"},"modified":"2022-06-14T00:06:50","modified_gmt":"2022-06-13T23:06:50","slug":"hungry-cattle-attachment","status":"publish","type":"post","link":"http:\/\/www.thelemmingfarm.uk\/?p=934","title":{"rendered":"Hungry Cattle Attachment"},"content":{"rendered":"\n<p>One of the challenges that up until this point we weren&#8217;t able to complete is Hungry Cattle. Its time to put that right!<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\n<p>I started with the default attachment shape created previously and built onto that,<\/p>\n\n\n\n<p>The simplest solution was to have a hopper (originally sized to fit a single trough&#8217;s worth of feed) with a servo driven lever on the bottom to allow it to be emptied. <\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"599\" height=\"527\" src=\"http:\/\/www.thelemmingfarm.uk\/wp-content\/uploads\/2022\/06\/image.png\" alt=\"\" class=\"wp-image-935\" srcset=\"http:\/\/www.thelemmingfarm.uk\/wp-content\/uploads\/2022\/06\/image.png 599w, http:\/\/www.thelemmingfarm.uk\/wp-content\/uploads\/2022\/06\/image-300x264.png 300w\" sizes=\"auto, (max-width: 599px) 100vw, 599px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"362\" height=\"338\" src=\"http:\/\/www.thelemmingfarm.uk\/wp-content\/uploads\/2022\/06\/top_hungry_cattle.gif\" alt=\"\" class=\"wp-image-936\"\/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\n<p>The MG90 servos used in the robot arm seemed reasonable powerful so one was designed into this model.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\n<p>The challenge was to design the lever in such a way that the horn attached to the servo was embedded into the lever so there was no gap with the hopper hole<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"413\" height=\"452\" src=\"http:\/\/www.thelemmingfarm.uk\/wp-content\/uploads\/2022\/06\/side_hungry_cattle.gif\" alt=\"\" class=\"wp-image-937\"\/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<figure class=\"wp-block-video\"><video height=\"1080\" style=\"aspect-ratio: 2224 \/ 1080;\" width=\"2224\" controls src=\"http:\/\/www.thelemmingfarm.uk\/wp-content\/uploads\/2022\/06\/20220612_205723_1.mp4\"><\/video><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\n<p>The design was 3d printed and worked exactly as intended. <\/p>\n\n\n\n<p>Here it can be seen being tested with a simple servo tester.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\n<p>We used a breakfast drink container rather than 3d printing a hopper. It was though that it would be smoother (which it was) and could be cut to the right size.<\/p>\n\n\n\n<p>In testing it seems that a full bottle can hold more than enough rice to half fill each of the three containers in a single run. <\/p>\n\n\n\n<p>Weight wise the attachment seems strong enough to hold it and the robot seems stable as long its not driven and stopped too quickly!<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"748\" height=\"687\" src=\"http:\/\/www.thelemmingfarm.uk\/wp-content\/uploads\/2022\/06\/image-1.png\" alt=\"\" class=\"wp-image-939\" srcset=\"http:\/\/www.thelemmingfarm.uk\/wp-content\/uploads\/2022\/06\/image-1.png 748w, http:\/\/www.thelemmingfarm.uk\/wp-content\/uploads\/2022\/06\/image-1-300x276.png 300w\" sizes=\"auto, (max-width: 748px) 100vw, 748px\" \/><\/figure>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>One of the challenges that up until this point we weren&#8217;t able to complete is Hungry Cattle. Its time to put that right! I started<\/p>\n","protected":false},"author":1,"featured_media":936,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[10,7],"tags":[],"class_list":["post-934","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-design","category-robot"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Hungry Cattle Attachment - The Lemming Farm<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/www.thelemmingfarm.uk\/?p=934\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Hungry Cattle Attachment - The Lemming Farm\" \/>\n<meta property=\"og:description\" content=\"One of the challenges that up until this point we weren&#8217;t able to complete is Hungry Cattle. Its time to put that right! I started\" \/>\n<meta property=\"og:url\" content=\"http:\/\/www.thelemmingfarm.uk\/?p=934\" \/>\n<meta property=\"og:site_name\" content=\"The Lemming Farm\" \/>\n<meta property=\"article:published_time\" content=\"2022-06-13T21:27:59+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-06-13T23:06:50+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/www.thelemmingfarm.uk\/wp-content\/uploads\/2022\/06\/top_hungry_cattle.gif\" \/>\n\t<meta property=\"og:image:width\" content=\"362\" \/>\n\t<meta property=\"og:image:height\" content=\"338\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/gif\" \/>\n<meta name=\"author\" content=\"matt\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"matt\" \/>\n\t<meta name=\"twitter:label2\" content=\"Estimated reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"http:\\\/\\\/www.thelemmingfarm.uk\\\/?p=934#article\",\"isPartOf\":{\"@id\":\"http:\\\/\\\/www.thelemmingfarm.uk\\\/?p=934\"},\"author\":{\"name\":\"matt\",\"@id\":\"http:\\\/\\\/www.thelemmingfarm.uk\\\/#\\\/schema\\\/person\\\/ad3da4bf1895ba680ee4c6a0cdcfe5c3\"},\"headline\":\"Hungry Cattle Attachment\",\"datePublished\":\"2022-06-13T21:27:59+00:00\",\"dateModified\":\"2022-06-13T23:06:50+00:00\",\"mainEntityOfPage\":{\"@id\":\"http:\\\/\\\/www.thelemmingfarm.uk\\\/?p=934\"},\"wordCount\":226,\"image\":{\"@id\":\"http:\\\/\\\/www.thelemmingfarm.uk\\\/?p=934#primaryimage\"},\"thumbnailUrl\":\"http:\\\/\\\/www.thelemmingfarm.uk\\\/wp-content\\\/uploads\\\/2022\\\/06\\\/top_hungry_cattle.gif\",\"articleSection\":[\"Design\",\"Robot\"],\"inLanguage\":\"en-GB\"},{\"@type\":\"WebPage\",\"@id\":\"http:\\\/\\\/www.thelemmingfarm.uk\\\/?p=934\",\"url\":\"http:\\\/\\\/www.thelemmingfarm.uk\\\/?p=934\",\"name\":\"Hungry Cattle Attachment - The Lemming Farm\",\"isPartOf\":{\"@id\":\"http:\\\/\\\/www.thelemmingfarm.uk\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"http:\\\/\\\/www.thelemmingfarm.uk\\\/?p=934#primaryimage\"},\"image\":{\"@id\":\"http:\\\/\\\/www.thelemmingfarm.uk\\\/?p=934#primaryimage\"},\"thumbnailUrl\":\"http:\\\/\\\/www.thelemmingfarm.uk\\\/wp-content\\\/uploads\\\/2022\\\/06\\\/top_hungry_cattle.gif\",\"datePublished\":\"2022-06-13T21:27:59+00:00\",\"dateModified\":\"2022-06-13T23:06:50+00:00\",\"author\":{\"@id\":\"http:\\\/\\\/www.thelemmingfarm.uk\\\/#\\\/schema\\\/person\\\/ad3da4bf1895ba680ee4c6a0cdcfe5c3\"},\"breadcrumb\":{\"@id\":\"http:\\\/\\\/www.thelemmingfarm.uk\\\/?p=934#breadcrumb\"},\"inLanguage\":\"en-GB\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"http:\\\/\\\/www.thelemmingfarm.uk\\\/?p=934\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-GB\",\"@id\":\"http:\\\/\\\/www.thelemmingfarm.uk\\\/?p=934#primaryimage\",\"url\":\"http:\\\/\\\/www.thelemmingfarm.uk\\\/wp-content\\\/uploads\\\/2022\\\/06\\\/top_hungry_cattle.gif\",\"contentUrl\":\"http:\\\/\\\/www.thelemmingfarm.uk\\\/wp-content\\\/uploads\\\/2022\\\/06\\\/top_hungry_cattle.gif\",\"width\":362,\"height\":338},{\"@type\":\"BreadcrumbList\",\"@id\":\"http:\\\/\\\/www.thelemmingfarm.uk\\\/?p=934#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"http:\\\/\\\/www.thelemmingfarm.uk\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Hungry Cattle Attachment\"}]},{\"@type\":\"WebSite\",\"@id\":\"http:\\\/\\\/www.thelemmingfarm.uk\\\/#website\",\"url\":\"http:\\\/\\\/www.thelemmingfarm.uk\\\/\",\"name\":\"The Lemming Farm\",\"description\":\"An Entry to the Pi Wars Competition 2024\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"http:\\\/\\\/www.thelemmingfarm.uk\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-GB\"},{\"@type\":\"Person\",\"@id\":\"http:\\\/\\\/www.thelemmingfarm.uk\\\/#\\\/schema\\\/person\\\/ad3da4bf1895ba680ee4c6a0cdcfe5c3\",\"name\":\"matt\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-GB\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/6384a0c4df2a2e69eff9a84163bce14869cb2bde2aa2d0757ccafb22cd711e2c?s=96&d=mm&r=pg\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/6384a0c4df2a2e69eff9a84163bce14869cb2bde2aa2d0757ccafb22cd711e2c?s=96&d=mm&r=pg\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/6384a0c4df2a2e69eff9a84163bce14869cb2bde2aa2d0757ccafb22cd711e2c?s=96&d=mm&r=pg\",\"caption\":\"matt\"},\"url\":\"http:\\\/\\\/www.thelemmingfarm.uk\\\/?author=1\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Hungry Cattle Attachment - The Lemming Farm","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"http:\/\/www.thelemmingfarm.uk\/?p=934","og_locale":"en_GB","og_type":"article","og_title":"Hungry Cattle Attachment - The Lemming Farm","og_description":"One of the challenges that up until this point we weren&#8217;t able to complete is Hungry Cattle. Its time to put that right! I started","og_url":"http:\/\/www.thelemmingfarm.uk\/?p=934","og_site_name":"The Lemming Farm","article_published_time":"2022-06-13T21:27:59+00:00","article_modified_time":"2022-06-13T23:06:50+00:00","og_image":[{"width":362,"height":338,"url":"http:\/\/www.thelemmingfarm.uk\/wp-content\/uploads\/2022\/06\/top_hungry_cattle.gif","type":"image\/gif"}],"author":"matt","twitter_card":"summary_large_image","twitter_misc":{"Written by":"matt","Estimated reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"http:\/\/www.thelemmingfarm.uk\/?p=934#article","isPartOf":{"@id":"http:\/\/www.thelemmingfarm.uk\/?p=934"},"author":{"name":"matt","@id":"http:\/\/www.thelemmingfarm.uk\/#\/schema\/person\/ad3da4bf1895ba680ee4c6a0cdcfe5c3"},"headline":"Hungry Cattle Attachment","datePublished":"2022-06-13T21:27:59+00:00","dateModified":"2022-06-13T23:06:50+00:00","mainEntityOfPage":{"@id":"http:\/\/www.thelemmingfarm.uk\/?p=934"},"wordCount":226,"image":{"@id":"http:\/\/www.thelemmingfarm.uk\/?p=934#primaryimage"},"thumbnailUrl":"http:\/\/www.thelemmingfarm.uk\/wp-content\/uploads\/2022\/06\/top_hungry_cattle.gif","articleSection":["Design","Robot"],"inLanguage":"en-GB"},{"@type":"WebPage","@id":"http:\/\/www.thelemmingfarm.uk\/?p=934","url":"http:\/\/www.thelemmingfarm.uk\/?p=934","name":"Hungry Cattle Attachment - The Lemming Farm","isPartOf":{"@id":"http:\/\/www.thelemmingfarm.uk\/#website"},"primaryImageOfPage":{"@id":"http:\/\/www.thelemmingfarm.uk\/?p=934#primaryimage"},"image":{"@id":"http:\/\/www.thelemmingfarm.uk\/?p=934#primaryimage"},"thumbnailUrl":"http:\/\/www.thelemmingfarm.uk\/wp-content\/uploads\/2022\/06\/top_hungry_cattle.gif","datePublished":"2022-06-13T21:27:59+00:00","dateModified":"2022-06-13T23:06:50+00:00","author":{"@id":"http:\/\/www.thelemmingfarm.uk\/#\/schema\/person\/ad3da4bf1895ba680ee4c6a0cdcfe5c3"},"breadcrumb":{"@id":"http:\/\/www.thelemmingfarm.uk\/?p=934#breadcrumb"},"inLanguage":"en-GB","potentialAction":[{"@type":"ReadAction","target":["http:\/\/www.thelemmingfarm.uk\/?p=934"]}]},{"@type":"ImageObject","inLanguage":"en-GB","@id":"http:\/\/www.thelemmingfarm.uk\/?p=934#primaryimage","url":"http:\/\/www.thelemmingfarm.uk\/wp-content\/uploads\/2022\/06\/top_hungry_cattle.gif","contentUrl":"http:\/\/www.thelemmingfarm.uk\/wp-content\/uploads\/2022\/06\/top_hungry_cattle.gif","width":362,"height":338},{"@type":"BreadcrumbList","@id":"http:\/\/www.thelemmingfarm.uk\/?p=934#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"http:\/\/www.thelemmingfarm.uk\/"},{"@type":"ListItem","position":2,"name":"Hungry Cattle Attachment"}]},{"@type":"WebSite","@id":"http:\/\/www.thelemmingfarm.uk\/#website","url":"http:\/\/www.thelemmingfarm.uk\/","name":"The Lemming Farm","description":"An Entry to the Pi Wars Competition 2024","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"http:\/\/www.thelemmingfarm.uk\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-GB"},{"@type":"Person","@id":"http:\/\/www.thelemmingfarm.uk\/#\/schema\/person\/ad3da4bf1895ba680ee4c6a0cdcfe5c3","name":"matt","image":{"@type":"ImageObject","inLanguage":"en-GB","@id":"https:\/\/secure.gravatar.com\/avatar\/6384a0c4df2a2e69eff9a84163bce14869cb2bde2aa2d0757ccafb22cd711e2c?s=96&d=mm&r=pg","url":"https:\/\/secure.gravatar.com\/avatar\/6384a0c4df2a2e69eff9a84163bce14869cb2bde2aa2d0757ccafb22cd711e2c?s=96&d=mm&r=pg","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/6384a0c4df2a2e69eff9a84163bce14869cb2bde2aa2d0757ccafb22cd711e2c?s=96&d=mm&r=pg","caption":"matt"},"url":"http:\/\/www.thelemmingfarm.uk\/?author=1"}]}},"jetpack_featured_media_url":"http:\/\/www.thelemmingfarm.uk\/wp-content\/uploads\/2022\/06\/top_hungry_cattle.gif","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"http:\/\/www.thelemmingfarm.uk\/index.php?rest_route=\/wp\/v2\/posts\/934","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.thelemmingfarm.uk\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.thelemmingfarm.uk\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.thelemmingfarm.uk\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.thelemmingfarm.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=934"}],"version-history":[{"count":1,"href":"http:\/\/www.thelemmingfarm.uk\/index.php?rest_route=\/wp\/v2\/posts\/934\/revisions"}],"predecessor-version":[{"id":940,"href":"http:\/\/www.thelemmingfarm.uk\/index.php?rest_route=\/wp\/v2\/posts\/934\/revisions\/940"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.thelemmingfarm.uk\/index.php?rest_route=\/wp\/v2\/media\/936"}],"wp:attachment":[{"href":"http:\/\/www.thelemmingfarm.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=934"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.thelemmingfarm.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=934"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.thelemmingfarm.uk\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=934"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}