{"id":245,"date":"2011-12-08T10:53:46","date_gmt":"2011-12-08T10:53:46","guid":{"rendered":"http:\/\/ava.upuaut.net\/?p=245"},"modified":"2011-12-08T11:18:02","modified_gmt":"2011-12-08T11:18:02","slug":"prototype-board-testing","status":"publish","type":"post","link":"https:\/\/ava.upuaut.net\/?p=245","title":{"rendered":"Prototype board testing"},"content":{"rendered":"<p>Just a quick update. I have the <a title=\"proposed board schematic\" href=\"https:\/\/github.com\/Upuaut\/Eagle-Libraries\/blob\/master\/Ava2.sch\">proposed board schematic <\/a>built on breadboard bar the pyro cut down. Generally it all seems to work apart from a nasty buffer overflow that caused all manner of reboots and crashes. It seems occasionally the GPS sends null chars when it doesn&#8217;t have a lock, when the Arduino tries to do maths and stuff on nulls a small portal opens\u00a0 and the world disappears.<\/p>\n<p>Anyway I&#8217;ve put some null catching code in there to prevent this and it seems stable now. Whilst trying to right up the pyro circuitry I&#8217;ve blow the 3.3v regulator so I need to work out why, the microcontroller and GPS are fortunately ok.<\/p>\n<p>Hopefully once I&#8217;ve done with designing the board for <a title=\"Project Swift\" href=\"http:\/\/www.projectswift.co.uk\" target=\"_blank\">Project Swift<\/a> this weekend I&#8217;ll crack on and finish the prototyping off.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Just a quick update. I have the proposed board schematic built on breadboard bar the pyro cut down. Generally it all seems to work apart from a nasty buffer overflow that caused all manner of reboots and crashes. It seems &hellip;<\/p>\n<p class=\"read-more\"><a href=\"https:\/\/ava.upuaut.net\/?p=245\">Read more &raquo;<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-245","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/ava.upuaut.net\/index.php?rest_route=\/wp\/v2\/posts\/245","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ava.upuaut.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ava.upuaut.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ava.upuaut.net\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/ava.upuaut.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=245"}],"version-history":[{"count":3,"href":"https:\/\/ava.upuaut.net\/index.php?rest_route=\/wp\/v2\/posts\/245\/revisions"}],"predecessor-version":[{"id":247,"href":"https:\/\/ava.upuaut.net\/index.php?rest_route=\/wp\/v2\/posts\/245\/revisions\/247"}],"wp:attachment":[{"href":"https:\/\/ava.upuaut.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=245"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ava.upuaut.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=245"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ava.upuaut.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=245"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}