{"id":905,"date":"2012-01-02T18:28:42","date_gmt":"2012-01-02T07:28:42","guid":{"rendered":"http:\/\/www.madox.net\/blog\/?p=905"},"modified":"2012-01-02T18:28:42","modified_gmt":"2012-01-02T07:28:42","slug":"oddbot-launchpad","status":"publish","type":"post","link":"http:\/\/www.madox.net\/blog\/2012\/01\/02\/oddbot-launchpad\/","title":{"rendered":"OddBot LaunchPad"},"content":{"rendered":"<p>The &#8216;<a href=\"http:\/\/www.odd.org.nz\/oddbot.html\" target=\"_blank\">OddBot<\/a>&#8216; is a Mecanum wheel\u00a0base derived from <a href=\"http:\/\/www.madox.net\/blog\/?p=803\" target=\"_blank\">Madox Rover<\/a>. The\u00a0design is similar but the OddBot has <strong>far superior<\/strong> documentation and\u00a0more practical mounting arrangements. \u00a0The common &#8216;flaw&#8217; is that they both use a rather expensive controller (Chumby), the OddBot LaunchPad is a replacement controller that costs $4.30 shipped. \u00a0The demonstration here uses a cheap eBay Wireless NunChuk as the controller, though this component is not necessary if sensors and other controls are connected to the Launchpad.  This brings the electronics cost of the platform to approximately $20 [$13.60 (Servos) + $4.30 (Launchpad) + $2.00 (Battery Holder + Wires)].  The 3D printing cost is probably in the order of $5-$10.<\/p>\n<p>The files for the OddBot Launchpad are supplementary to the OddBot and does not contain the 3D files for the wheels etc.<\/p>\n<p>The files are located on Google Code :-<\/p>\n<p><a href=\"http:\/\/code.google.com\/p\/madox\/source\/browse\/#svn%2Ftrunk%2Foddbot-launchpad\">http:\/\/code.google.com\/p\/madox\/source\/browse\/#svn%2Ftrunk%2Foddbot-launchpad<\/a><\/p>\n<p>The code is written for mspgcc &#8216;Uniarch&#8217; with a Makefile to install the program using Ubuntu + mspdebug.<\/p>\n<p>This demonstration was mainly an exercise for me to familiarise myself with the msp430 LaunchPad + value line chips. \u00a0What little &#8220;documentation&#8221; there is exists in the comments of the <a href=\"http:\/\/code.google.com\/p\/madox\/source\/browse\/trunk\/oddbot-launchpad\/oddbot-launchpad.c\" target=\"_blank\">oddbot-launchpad.c file<\/a>.<\/p>\n<p>As usual there is an imperfect demonstration video that goes with it (the rotate is in the wrong direction in the video) :-<\/p>\n<p style=\"text-align: center;\"><object width=\"480\" height=\"360\" classid=\"clsid:d27cdb6e-ae6d-11cf-96b8-444553540000\" codebase=\"http:\/\/download.macromedia.com\/pub\/shockwave\/cabs\/flash\/swflash.cab#version=6,0,40,0\"><param name=\"allowFullScreen\" value=\"true\" \/><param name=\"allowscriptaccess\" value=\"always\" \/><param name=\"src\" value=\"http:\/\/www.youtube.com\/v\/VrflD-S_T1M?version=3&amp;hl=en_US\" \/><param name=\"allowfullscreen\" value=\"true\" \/><embed width=\"480\" height=\"360\" type=\"application\/x-shockwave-flash\" src=\"http:\/\/www.youtube.com\/v\/VrflD-S_T1M?version=3&amp;hl=en_US\" allowFullScreen=\"true\" allowscriptaccess=\"always\" allowfullscreen=\"true\" \/><\/object><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The &#8216;OddBot&#8216; is a Mecanum wheel\u00a0base derived from Madox Rover. The\u00a0design is similar but the OddBot has far superior documentation and\u00a0more practical mounting arrangements. \u00a0The common &#8216;flaw&#8217; is that they both use a rather expensive controller (Chumby), the OddBot LaunchPad is a replacement controller that costs $4.30 shipped. \u00a0The demonstration here uses a cheap eBay &hellip; <a href=\"http:\/\/www.madox.net\/blog\/2012\/01\/02\/oddbot-launchpad\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;OddBot LaunchPad&#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-905","post","type-post","status-publish","format-standard","hentry","category-engineering"],"_links":{"self":[{"href":"http:\/\/www.madox.net\/blog\/wp-json\/wp\/v2\/posts\/905","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.madox.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.madox.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.madox.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.madox.net\/blog\/wp-json\/wp\/v2\/comments?post=905"}],"version-history":[{"count":4,"href":"http:\/\/www.madox.net\/blog\/wp-json\/wp\/v2\/posts\/905\/revisions"}],"predecessor-version":[{"id":909,"href":"http:\/\/www.madox.net\/blog\/wp-json\/wp\/v2\/posts\/905\/revisions\/909"}],"wp:attachment":[{"href":"http:\/\/www.madox.net\/blog\/wp-json\/wp\/v2\/media?parent=905"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.madox.net\/blog\/wp-json\/wp\/v2\/categories?post=905"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.madox.net\/blog\/wp-json\/wp\/v2\/tags?post=905"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}