{"id":453,"date":"2025-02-19T20:23:44","date_gmt":"2025-02-19T20:23:44","guid":{"rendered":"https:\/\/r.jander.me.uk\/?p=453"},"modified":"2025-02-19T20:57:07","modified_gmt":"2025-02-19T20:57:07","slug":"ev3-pattern-board-scanner","status":"publish","type":"post","link":"https:\/\/r.jander.me.uk\/index.php\/2025\/02\/19\/ev3-pattern-board-scanner\/","title":{"rendered":"EV3 Pattern Board Scanner"},"content":{"rendered":"\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;69e9cdbc09f29&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"69e9cdbc09f29\" class=\"wp-block-image size-large wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/r.jander.me.uk\/wp-content\/uploads\/2025\/02\/Scanner-Complete-1024x768.png\" alt=\"\" class=\"wp-image-454\" srcset=\"https:\/\/r.jander.me.uk\/wp-content\/uploads\/2025\/02\/Scanner-Complete-1024x768.png 1024w, https:\/\/r.jander.me.uk\/wp-content\/uploads\/2025\/02\/Scanner-Complete-300x225.png 300w, https:\/\/r.jander.me.uk\/wp-content\/uploads\/2025\/02\/Scanner-Complete-768x576.png 768w, https:\/\/r.jander.me.uk\/wp-content\/uploads\/2025\/02\/Scanner-Complete-1200x900.png 1200w, https:\/\/r.jander.me.uk\/wp-content\/uploads\/2025\/02\/Scanner-Complete.png 1280w\" sizes=\"auto, (max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 1362px) 62vw, 840px\" \/><button\n\t\t\tclass=\"lightbox-trigger\"\n\t\t\ttype=\"button\"\n\t\t\taria-haspopup=\"dialog\"\n\t\t\taria-label=\"Enlarge\"\n\t\t\tdata-wp-init=\"callbacks.initTriggerButton\"\n\t\t\tdata-wp-on--click=\"actions.showLightbox\"\n\t\t\tdata-wp-style--right=\"state.imageButtonRight\"\n\t\t\tdata-wp-style--top=\"state.imageButtonTop\"\n\t\t>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n\n<p>My redesign of the pattern board scanner part of my loom is basically complete. As it currently stands it&#8217;s a standalone scanner. It works ! It&#8217;s much faster than the old system and is really clean in its operation. I need to retrofit the new code into the loom controller code, which I&#8217;ll do in a few days&#8217; time. Before that I want to deal with how the unit will sit on top of the loom, so I need to put the loom back into its operating state and get thinking.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Releasing the BIs and Code<\/h2>\n\n\n\n<p>Since this is working as a standalone device, and I&#8217;ve posted about it a couple of times on Facebook: <br><br><a href=\"https:\/\/www.facebook.com\/groups\/legomindstorms\/posts\/3121354191346119\">https:\/\/www.facebook.com\/groups\/legomindstorms\/posts\/3121354191346119<\/a><br><a href=\"https:\/\/www.facebook.com\/groups\/legomindstorms\/posts\/3125960860885452\/\">https:\/\/www.facebook.com\/groups\/legomindstorms\/posts\/3125960860885452<\/a><br><br>I&#8217;m, as usual, going to post the BIs and code for public use. I&#8217;m licensing them under the Creative Commons Attribution-NonCommercial-Sharealike 4.0 International licence <a href=\"https:\/\/creativecommons.org\/licenses\/by-nc-sa\/4.0\/\">CC-BY-NC-SA 4.0<\/a><\/p>\n\n\n\n<p>The BIs are here: <a href=\"https:\/\/jander.me.uk\/LEGO\/resources\/Scann3r.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/jander.me.uk\/LEGO\/resources\/Scann3r.pdf<\/a><br>The EV3g code is here: <a href=\"https:\/\/jander.me.uk\/LEGO\/resources\/Scann3r.ev3\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/jander.me.uk\/LEGO\/resources\/Scann3r.ev3<\/a><\/p>\n\n\n\n<p>There are no cables in the BIs &#8211; they&#8217;re a pain to route so I&#8217;ve left them out. The cabling ports and cable lengths are in the BIs. Routing them is left as as challenge to the builder \ud83d\ude09<\/p>\n\n\n\n<p>The code will scan a board showing the dots as it goes, then clear the screen, and reshow the code from the scanned data. This can then be used as a base for something else.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>My redesign of the pattern board scanner part of my loom is basically complete. As it currently stands it&#8217;s a standalone scanner. It works ! It&#8217;s much faster than the old system and is really clean in its operation. I need to retrofit the new code into the loom controller code, which I&#8217;ll do in &hellip; <a href=\"https:\/\/r.jander.me.uk\/index.php\/2025\/02\/19\/ev3-pattern-board-scanner\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;EV3 Pattern Board Scanner&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[40,35,26,29,47],"class_list":["post-453","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-building-instructions","tag-ev3g","tag-lego","tag-loom","tag-mindstorms"],"_links":{"self":[{"href":"https:\/\/r.jander.me.uk\/index.php\/wp-json\/wp\/v2\/posts\/453","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/r.jander.me.uk\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/r.jander.me.uk\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/r.jander.me.uk\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/r.jander.me.uk\/index.php\/wp-json\/wp\/v2\/comments?post=453"}],"version-history":[{"count":4,"href":"https:\/\/r.jander.me.uk\/index.php\/wp-json\/wp\/v2\/posts\/453\/revisions"}],"predecessor-version":[{"id":461,"href":"https:\/\/r.jander.me.uk\/index.php\/wp-json\/wp\/v2\/posts\/453\/revisions\/461"}],"wp:attachment":[{"href":"https:\/\/r.jander.me.uk\/index.php\/wp-json\/wp\/v2\/media?parent=453"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/r.jander.me.uk\/index.php\/wp-json\/wp\/v2\/categories?post=453"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/r.jander.me.uk\/index.php\/wp-json\/wp\/v2\/tags?post=453"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}