{"id":6465,"date":"2013-02-27T16:09:15","date_gmt":"2013-02-28T00:09:15","guid":{"rendered":"http:\/\/rustybolt.info\/wordpress\/?p=6465"},"modified":"2013-03-11T11:39:15","modified_gmt":"2013-03-11T18:39:15","slug":"2013-02-27-tbd","status":"publish","type":"post","link":"https:\/\/rustybolt.info\/wordpress\/?p=6465","title":{"rendered":"2013-02-27 CD-ROM Drive Motor Runs Joule Thief"},"content":{"rendered":"<p><a href=\"http:\/\/rustybolt.info\/wordpress\/?attachment_id=6620\" rel=\"attachment wp-att-6620\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright size-medium wp-image-6620\" title=\"DSC_0160S3\" src=\"http:\/\/rustybolt.info\/wordpress\/wp-content\/uploads\/2013\/02\/DSC_0160S3-300x224.jpg\" alt=\"\" width=\"300\" height=\"224\" srcset=\"https:\/\/rustybolt.info\/wordpress\/wp-content\/uploads\/2013\/02\/DSC_0160S3-300x224.jpg 300w, https:\/\/rustybolt.info\/wordpress\/wp-content\/uploads\/2013\/02\/DSC_0160S3.jpg 802w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>I had to spin the shaft really fast to get the LED to light up, and now that I converted the generator (was a CD-ROM drive motor) by adding the Joule Thief to the back, all I have to do is spin the shaft gently and the LED lights up brightly.\u00a0 It&#8217;s a big difference; it&#8217;s much easier.<\/p>\n<p>The coil uses a T231212T toroid core from Surplus Sales.\u00a0 I &#8216;trifilar&#8217; wound it with 6 inches of three conductors: two were 28 AWG in parallel for the primary and a single 30 AWG for the feedback.\u00a0 The transistor is a BC337-40 and the resistor is a 2000 ohm, 1%, 1\/4W I salvaged from a PC board.\u00a0 I could have made all of it fit on the back of the motor if I had cut the leads shorter.<\/p>\n<p>I was trying to come up with a way to mount the tiny generator onto something hand held, and put a crank on it to allow charging up a super capacitor.\u00a0 I bought one of those hand crank flashlights and they don&#8217;t work; the LED goes out as soon as the cranking is stopped.\u00a0 I think there must be a better way to charge up a multiple farad capacitor so that the LED will light brightly for several minutes.<\/p>\n<p>Back to experimenting&#8230;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>I had to spin the shaft really fast to get the LED to light up, and now that I converted the generator (was a CD-ROM drive motor) by adding the Joule Thief to the back, all I have to do is spin the shaft gently and the LED lights up brightly.\u00a0 It&#8217;s a big difference;<a href=\"https:\/\/rustybolt.info\/wordpress\/?p=6465\"> <\/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":[4,34],"tags":[132],"class_list":["post-6465","post","type-post","status-publish","format-standard","hentry","category-joule-thief-smps-dc-dc","category-renewable-energy","tag-joule"],"_links":{"self":[{"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/6465","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=6465"}],"version-history":[{"count":6,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/6465\/revisions"}],"predecessor-version":[{"id":6624,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/6465\/revisions\/6624"}],"wp:attachment":[{"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6465"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6465"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6465"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}