{"id":39,"date":"2011-02-25T07:00:04","date_gmt":"2011-02-25T07:00:04","guid":{"rendered":"https:\/\/peterklemperer.com\/blog\/?p=39"},"modified":"2011-02-25T07:00:04","modified_gmt":"2011-02-25T07:00:04","slug":"adafruit-usbtiny-programmer","status":"publish","type":"post","link":"https:\/\/peterklemperer.com\/blog\/2011\/02\/25\/adafruit-usbtiny-programmer\/","title":{"rendered":"Adafruit usbtiny Programmer"},"content":{"rendered":"<p>Tonight I assembled the adafruit usbtiny programmer. It will be the programmer I use with my LED Matrix project when those boards come back. The instructions from adafruit are great and I would recommend it as it seems to be very flexible in operating voltages and protocols.<\/p>\n<p>One point I&#8217;m confused is the use of jumpers or 1.5K\u03a9 resistors for R4 and R7. \u00a0I went with jumpers I made from some hookup wire I have laying around. \u00a0Hopefully that&#8217;s correct.<\/p>\n<p>According to the adafruit instructions, the usbtiny won&#8217;t light up until you&#8217;ve pinged it with some avrdude instructions. \u00a0This is distressing because you expect the red power LED to light up when power is appliced, but USB must enumerate it for power to be provided. \u00a0I got avrdude version 5.10 installed using macports and applied the command:<\/p>\n<pre>\/opt\/local\/bin\/avrdude -c usbtiny -p m8<\/pre>\n<p>After that the LED&#8217;s lit up and I knew my work for tonight is complete!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tonight I assembled the adafruit usbtiny programmer. It will be the programmer I use with my LED Matrix project when those boards come back. The instructions from adafruit are great and I would recommend it as it seems to be &hellip; <a href=\"https:\/\/peterklemperer.com\/blog\/2011\/02\/25\/adafruit-usbtiny-programmer\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"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":[19,6],"tags":[],"class_list":["post-39","post","type-post","status-publish","format-standard","hentry","category-led-matrix","category-projects"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p1VqWo-D","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/peterklemperer.com\/blog\/wp-json\/wp\/v2\/posts\/39","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/peterklemperer.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/peterklemperer.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/peterklemperer.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/peterklemperer.com\/blog\/wp-json\/wp\/v2\/comments?post=39"}],"version-history":[{"count":0,"href":"https:\/\/peterklemperer.com\/blog\/wp-json\/wp\/v2\/posts\/39\/revisions"}],"wp:attachment":[{"href":"https:\/\/peterklemperer.com\/blog\/wp-json\/wp\/v2\/media?parent=39"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/peterklemperer.com\/blog\/wp-json\/wp\/v2\/categories?post=39"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/peterklemperer.com\/blog\/wp-json\/wp\/v2\/tags?post=39"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}