{"id":3344,"date":"2012-07-30T08:12:36","date_gmt":"2012-07-30T15:12:36","guid":{"rendered":"http:\/\/rustybolt.info\/wordpress\/?p=3344"},"modified":"2013-02-20T12:55:52","modified_gmt":"2013-02-20T20:55:52","slug":"2012-07-30-joule-thief-comment","status":"publish","type":"post","link":"https:\/\/rustybolt.info\/wordpress\/?p=3344","title":{"rendered":"2012-07-30 Joule Thief Comment"},"content":{"rendered":"<p>My comment\u00a0 to a <a href=\"http:\/\/ourduino.wordpress.com\/2012\/07\/25\/joule-thief-workshops\/\">blog found here.<\/a><\/p>\n<p>A very common way of boosting voltage does not use an inductor. Instead it uses a &#8216;charge pump&#8217; or switched capacitor, or flying capacitor.<\/p>\n<p>You can buy the Fair-Rite 2673002402 core for $0.12 (U.S.) apiece, and 12 turns of 24 AWG (0.5mm) insulated telephone wire can be scrounged from old scraps.\u00a0 The BC337-25 makes an excellent JT transistor.<\/p>\n<p>The efficiency of a conventional JT is around 40 to 60 percent.\u00a0 Not all that good, but it&#8217;s simple and it does work.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>My comment\u00a0 to a blog found here. A very common way of boosting voltage does not use an inductor. Instead it uses a &#8216;charge pump&#8217; or switched capacitor, or flying capacitor. You can buy the Fair-Rite 2673002402 core for $0.12 (U.S.) apiece, and 12 turns of 24 AWG (0.5mm) insulated telephone wire can be scrounged<a href=\"https:\/\/rustybolt.info\/wordpress\/?p=3344\"> <\/p>\n<p> (Read More&#8230;)<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-3344","post","type-post","status-publish","format-standard","hentry","category-joule-thief-smps-dc-dc"],"_links":{"self":[{"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/3344","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3344"}],"version-history":[{"count":3,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/3344\/revisions"}],"predecessor-version":[{"id":6368,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/3344\/revisions\/6368"}],"wp:attachment":[{"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3344"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3344"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3344"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}