{"id":5967,"date":"2013-01-27T10:55:40","date_gmt":"2013-01-27T18:55:40","guid":{"rendered":"http:\/\/rustybolt.info\/wordpress\/?p=5967"},"modified":"2013-01-27T11:11:04","modified_gmt":"2013-01-27T19:11:04","slug":"2013-01-27-tiny-aqua-joule-thief-uses-cfl-core","status":"publish","type":"post","link":"https:\/\/rustybolt.info\/wordpress\/?p=5967","title":{"rendered":"2013-01-27 Tiny Aqua Joule Thief Uses CFL Core"},"content":{"rendered":"<p><a href=\"http:\/\/rustybolt.info\/wordpress\/?attachment_id=5971\" rel=\"attachment wp-att-5971\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright size-medium wp-image-5971\" title=\"DSC_0118S3\" src=\"http:\/\/rustybolt.info\/wordpress\/wp-content\/uploads\/2013\/01\/DSC_0118S3-300x227.jpg\" alt=\"\" width=\"300\" height=\"227\" srcset=\"https:\/\/rustybolt.info\/wordpress\/wp-content\/uploads\/2013\/01\/DSC_0118S3-300x227.jpg 300w, https:\/\/rustybolt.info\/wordpress\/wp-content\/uploads\/2013\/01\/DSC_0118S3.jpg 800w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>This is a photo of a Joule Thief I built more than a year ago using the core from a dead CFL light bulb.\u00a0 The windings were only 9 turns each of solid insulated telephone wire.\u00a0 That was all I could get on the core.\u00a0 This core is the typical size for the CFLs where there is limited space in the base of the light.\u00a0 I&#8217;ve seen smaller ones, too.\u00a0 They all seem to be high permeability so that it does not take a lot of turns to get enough inductance (100 uH or more) for a Joule Thief.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>This is a photo of a Joule Thief I built more than a year ago using the core from a dead CFL light bulb.\u00a0 The windings were only 9 turns each of solid insulated telephone wire.\u00a0 That was all I could get on the core.\u00a0 This core is the typical size for the CFLs where<a href=\"https:\/\/rustybolt.info\/wordpress\/?p=5967\"> <\/p>\n<p> (Read More&#8230;)<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-5967","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\/5967","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=5967"}],"version-history":[{"count":6,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/5967\/revisions"}],"predecessor-version":[{"id":5970,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/5967\/revisions\/5970"}],"wp:attachment":[{"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5967"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5967"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5967"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}