{"id":92,"date":"2010-08-14T02:21:06","date_gmt":"2010-08-14T10:21:06","guid":{"rendered":"http:\/\/blog.danielparnell.com\/?p=92"},"modified":"2010-08-15T15:01:44","modified_gmt":"2010-08-15T23:01:44","slug":"bob-lives","status":"publish","type":"post","link":"https:\/\/blog.danielparnell.com\/?p=92","title":{"rendered":"Bob Lives!"},"content":{"rendered":"<div xmlns=\"http:\/\/www.w3.org\/1999\/xhtml\" style=\"word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; \"><A href=\"http:\/\/blog.danielparnell.com\/wp-content\/uploads\/2010\/08\/20100814202032_orig_DSC00004.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/blog.danielparnell.com\/wp-content\/uploads\/2010\/08\/20100814202032_DSC00004.jpg\" width=\"266\" height=\"200\" border=\"0\" \/><\/A><\/p>\n<div><A href=\"http:\/\/blog.danielparnell.com\/wp-content\/uploads\/2010\/08\/20100814202049_orig_DSC00002.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/blog.danielparnell.com\/wp-content\/uploads\/2010\/08\/20100814202049_DSC00002.jpg\" width=\"266\" height=\"200\" border=\"0\" \/><\/A><\/div>\n<div><\/div>\n<div>After a couple of false starts with dead voltage regulators, Bob (my daughter named it) the PIC based ethernet device lives in a more permanent incarnation. &nbsp;Bob is made from bits and pieces I had around the place (I now have several very dead network hubs). &nbsp;The budget for the project was zero \ud83d\ude09<\/div>\n<div>My Dad provided me with the PIC prototyping board pictured above and many of the pieces as well as the <a href=\"http:\/\/www.microchip.com\/wwwproducts\/devices.aspx?ddocname=en010296\">PIC18F452<\/a>. &nbsp;The&nbsp;<span style=\"font-family: arial, sans-serif; line-height: 15px; font-size: small; \"><a href=\"http:\/\/www.microchip.com\/wwwproducts\/Devices.aspx?dDocName=en022889\">ENC28J60<\/a>&nbsp;<\/span>ethernet controller was kindly provided by <a href=\"http:\/\/www.microchip.com\/\">Microchip<\/a> through their very generous free samples.<\/div>\n<div>The original <a href=\"http:\/\/en.wikipedia.org\/wiki\/Voltage_regulator\">voltage regulator<\/a> on the PIC prototyping board didn&#8217;t seem to be up to powering both the PIC and the ethernet controller, so I went through my old retired networking gear until I found a 3.3V regulator. &nbsp;Unfortunately I think I popped it in the process of removing it from the board and it no longer worked :(. &nbsp;In the end I used a <a href=\"http:\/\/en.wikipedia.org\/wiki\/7805\">7805<\/a> 5V regulator and then ran the output of that through a pair of diodes in a <a href=\"http:\/\/en.wikipedia.org\/wiki\/Bridge_rectifier\">bridge rectifier<\/a> (thank again for the help with that one Dad) to drop the voltage down to about 3.5V or so.<\/div>\n<div>Now I need to get my PIC <a href=\"http:\/\/en.wikipedia.org\/wiki\/Forth_(programming_language)\">Forth<\/a> running on this hardware and then I&#8217;ll have a networked Forth device I can play with \ud83d\ude42<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>After a couple of false starts with dead voltage regulators, Bob (my daughter named it) the PIC based ethernet device lives in a more permanent incarnation. &nbsp;Bob is made from bits and pieces I had around the place (I now have several very dead network hubs). &nbsp;The budget for the project was zero \ud83d\ude09 My &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/blog.danielparnell.com\/?p=92\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Bob Lives!&#8221;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[35,2,6],"tags":[],"class_list":["post-92","post","type-post","status-publish","format-standard","hentry","category-hardware","category-programming","category-web","entry"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p561S3-1u","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/blog.danielparnell.com\/index.php?rest_route=\/wp\/v2\/posts\/92","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.danielparnell.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.danielparnell.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.danielparnell.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.danielparnell.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=92"}],"version-history":[{"count":1,"href":"https:\/\/blog.danielparnell.com\/index.php?rest_route=\/wp\/v2\/posts\/92\/revisions"}],"predecessor-version":[{"id":94,"href":"https:\/\/blog.danielparnell.com\/index.php?rest_route=\/wp\/v2\/posts\/92\/revisions\/94"}],"wp:attachment":[{"href":"https:\/\/blog.danielparnell.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=92"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.danielparnell.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=92"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.danielparnell.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=92"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}