{"id":66,"date":"2018-11-03T22:22:09","date_gmt":"2018-11-03T22:22:09","guid":{"rendered":"https:\/\/retroblog.garethdav.is\/?p=66"},"modified":"2018-11-03T22:22:09","modified_gmt":"2018-11-03T22:22:09","slug":"hardware-design-complete","status":"publish","type":"post","link":"https:\/\/retroblog.garethdav.is\/index.php\/2018\/11\/03\/hardware-design-complete\/","title":{"rendered":"Hardware design complete"},"content":{"rendered":"<p>It&#8217;s been about a year since I started blogging about my Filestore project, and I&#8217;ve not really had as much time as I&#8217;d have liked to work on it. However in the last month or so I&#8217;ve got to the point where I&#8217;ve simplified the schematics down, and laid out the boards for production.<\/p>\n<p>Hardware schematic:<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-75\" src=\"https:\/\/retroblog.garethdav.is\/wp-content\/uploads\/2018\/11\/schematic.png\" alt=\"\" width=\"1208\" height=\"870\" \/><\/p>\n<p>Board returned from fabrication:<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-67 size-full\" src=\"https:\/\/retroblog.garethdav.is\/wp-content\/uploads\/2018\/11\/IMG_1374.jpg\" alt=\"\" width=\"1208\" height=\"870\" \/><\/p>\n<p>And board assembled:<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-69\" src=\"https:\/\/retroblog.garethdav.is\/wp-content\/uploads\/2018\/11\/IMG_1376.jpg\" alt=\"\" width=\"1208\" height=\"870\" \/><\/p>\n<p>Admittedly not fully assembled, as I couldn&#8217;t be bothered to install headers that were not required for signal or mechanical purposes. Also 17 way PCB headers seem to be unobtainium, which probably explains why Acorn used larger headers on their machine motherboards. In this case you can see a 20 pin header overhanging the end of the board.<\/p>\n<p>With the Econet ADF10 module installed the assembly looks like this:<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-70\" src=\"https:\/\/retroblog.garethdav.is\/wp-content\/uploads\/2018\/11\/IMG_1377.jpg\" alt=\"\" width=\"1208\" height=\"870\" \/><br \/>\nAdmittedly it really does need an ADF10 module, as the pins on the low profile AEH52 module are not long enough to clear the DIN socket.<\/p>\n<p>And the complete assembly installed onto an Arduino DUE:<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-71\" src=\"https:\/\/retroblog.garethdav.is\/wp-content\/uploads\/2018\/11\/IMG_1378.jpg\" alt=\"\" width=\"1208\" height=\"870\" \/><\/p>\n<p>Reassuringly it all worked first time when plugged into the network.:<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-82 size-full\" src=\"https:\/\/retroblog.garethdav.is\/wp-content\/uploads\/2018\/11\/IMG_1380-3.jpg\" alt=\"\" width=\"1208\" height=\"870\" \/><\/p>\n<p>If you want to have a go at building one of these yourself, you can find the Eagle CAD, and a copy of the Gerber files I sent to the fab, in the <a href=\"https:\/\/github.com\/stardot\/ArduinoFilestore\">GitHub repo<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>It&#8217;s been about a year since I started blogging about my Filestore project, and I&#8217;ve not really had as much time as I&#8217;d have liked to work on it. However in the last month or so I&#8217;ve got to the point where I&#8217;ve simplified the schematics down, and laid out the boards for production. Hardware &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/retroblog.garethdav.is\/index.php\/2018\/11\/03\/hardware-design-complete\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Hardware design complete&#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":[5],"tags":[],"class_list":["post-66","post","type-post","status-publish","format-standard","hentry","category-econet"],"_links":{"self":[{"href":"https:\/\/retroblog.garethdav.is\/index.php\/wp-json\/wp\/v2\/posts\/66","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/retroblog.garethdav.is\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/retroblog.garethdav.is\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/retroblog.garethdav.is\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/retroblog.garethdav.is\/index.php\/wp-json\/wp\/v2\/comments?post=66"}],"version-history":[{"count":7,"href":"https:\/\/retroblog.garethdav.is\/index.php\/wp-json\/wp\/v2\/posts\/66\/revisions"}],"predecessor-version":[{"id":84,"href":"https:\/\/retroblog.garethdav.is\/index.php\/wp-json\/wp\/v2\/posts\/66\/revisions\/84"}],"wp:attachment":[{"href":"https:\/\/retroblog.garethdav.is\/index.php\/wp-json\/wp\/v2\/media?parent=66"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/retroblog.garethdav.is\/index.php\/wp-json\/wp\/v2\/categories?post=66"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/retroblog.garethdav.is\/index.php\/wp-json\/wp\/v2\/tags?post=66"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}