{"id":190,"date":"2012-08-16T12:30:57","date_gmt":"2012-08-16T11:30:57","guid":{"rendered":"https:\/\/digitalmediacomputing.org.uk\/?p=190"},"modified":"2012-08-25T09:02:00","modified_gmt":"2012-08-25T08:02:00","slug":"qr-codenames","status":"publish","type":"post","link":"https:\/\/digitalmediacomputing.org.uk\/?p=190","title":{"rendered":"QR codenames"},"content":{"rendered":"<p><a href=\"https:\/\/digitalmediacomputing.org.uk\/wp-content\/uploads\/2012\/08\/photo.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-thumbnail wp-image-210\" title=\"photo\" src=\"https:\/\/digitalmediacomputing.org.uk\/wp-content\/uploads\/2012\/08\/photo-150x150.jpg\" alt=\"\" width=\"150\" height=\"150\" \/><\/a>Today we didn&#8217;t have access to computers so we were in the Art department.  I had printed out everyone&#8217;s name as a QR code so we traced over these and tried to make them look pretty.<\/p>\n<p>We talked about <strong>contrast<\/strong>, which is the difference between two colours or shades.  There is a strong contrast between black and white, they are very different.  There isn&#8217;t a great contrast between orange and yellow.<\/p>\n<p>We also talked about how QR codes work and about how there is between a 7% and 30% redundancy rate.  This means that, with the size of code we were working with, 7% of it could be wrong or hidden and the code could still scan.  We worked out that our code was 21 squares by 21 squares which means 441 little squares.  7% of 441 is 30.  This seemed quite a lot!<\/p>\n<p>A lot of our pictures didn&#8217;t scan. We think it was because of the colours used &#8211; not enough contrast between the code and the background.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Today we didn&#8217;t have access to computers so we were in the Art department. I had printed out everyone&#8217;s name as a QR code so we traced over these and tried to make them look pretty. We talked about contrast, which is the difference between two colours or shades. There is a strong contrast between [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[43,47,46,15],"tags":[],"class_list":["post-190","post","type-post","status-publish","format-standard","hentry","category-ms-farrells-blog","category-s3dmc","category-s5-6dmc","category-still-images"],"_links":{"self":[{"href":"https:\/\/digitalmediacomputing.org.uk\/index.php?rest_route=\/wp\/v2\/posts\/190","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/digitalmediacomputing.org.uk\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/digitalmediacomputing.org.uk\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/digitalmediacomputing.org.uk\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/digitalmediacomputing.org.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=190"}],"version-history":[{"count":6,"href":"https:\/\/digitalmediacomputing.org.uk\/index.php?rest_route=\/wp\/v2\/posts\/190\/revisions"}],"predecessor-version":[{"id":223,"href":"https:\/\/digitalmediacomputing.org.uk\/index.php?rest_route=\/wp\/v2\/posts\/190\/revisions\/223"}],"wp:attachment":[{"href":"https:\/\/digitalmediacomputing.org.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=190"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/digitalmediacomputing.org.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=190"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/digitalmediacomputing.org.uk\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=190"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}