{"id":394,"date":"2014-02-19T05:49:31","date_gmt":"2014-02-19T05:49:31","guid":{"rendered":"http:\/\/www.zprod.org\/zwp\/?p=394"},"modified":"2014-06-21T13:52:59","modified_gmt":"2014-06-21T13:52:59","slug":"supercapacitor-powered-audio-amplifier","status":"publish","type":"post","link":"https:\/\/www.zprod.org\/zwp\/making\/supercapacitor-powered-audio-amplifier\/","title":{"rendered":"Dynamo mini audio amplifier"},"content":{"rendered":"<p><iframe loading=\"lazy\" src=\"\/\/www.youtube-nocookie.com\/embed\/hSZo2kXAIQc?rel=0\" height=\"372\" width=\"720\" allowfullscreen=\"\" frameborder=\"0\"><\/iframe><\/p>\n<p>Finally finished the mini audio amp I started when I visited <a title=\"Day out at Flowering Elbow\" href=\"https:\/\/www.zprod.org\/zwp\/making\/day-out-at-flowering-elbow\/\">Flowering Elbow<\/a>. I fitted a supercapacitor array inside the amp, that gives approximately 20 minutes of operation when fully charged. Charging it with one of my modified dynamo torches takes 3-4 minutes.<\/p>\n<p>Finger dancing optional. Music is <em>Chocolate<\/em> by Syrup.<\/p>\n\n\t\t<style type=\"text\/css\">\n\t\t\t#gallery-1 {\n\t\t\t\tmargin: auto;\n\t\t\t}\n\t\t\t#gallery-1 .gallery-item {\n\t\t\t\tfloat: left;\n\t\t\t\tmargin-top: 10px;\n\t\t\t\ttext-align: center;\n\t\t\t\twidth: 50%;\n\t\t\t}\n\t\t\t#gallery-1 img {\n\t\t\t\tborder: 2px solid #cfcfcf;\n\t\t\t}\n\t\t\t#gallery-1 .gallery-caption {\n\t\t\t\tmargin-left: 0;\n\t\t\t}\n\t\t\t\/* see gallery_shortcode() in wp-includes\/media.php *\/\n\t\t<\/style>\n\t\t<div id='gallery-1' class='gallery galleryid-394 gallery-columns-2 gallery-size-thumbnail'><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon portrait'>\n\t\t\t\t<a href='https:\/\/www.zprod.org\/zwp\/wp-content\/uploads\/2014\/02\/supercapAmp-e1536228642229.jpg' title=\"\" data-rl_title=\"\" class=\"rl-gallery-link\" data-rl_caption=\"\" data-rel=\"lightbox-gallery-1\"><img width=\"150\" height=\"150\" src=\"https:\/\/www.zprod.org\/zwp\/wp-content\/uploads\/2014\/02\/supercapAmp-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"supercap audio amp\" loading=\"lazy\" aria-describedby=\"gallery-1-604\" srcset=\"https:\/\/www.zprod.org\/zwp\/wp-content\/uploads\/2014\/02\/supercapAmp-150x150.jpg 150w, https:\/\/www.zprod.org\/zwp\/wp-content\/uploads\/2014\/02\/supercapAmp-90x90.jpg 90w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-1-604'>\n\t\t\t\tsupercap audio amp\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/www.zprod.org\/zwp\/wp-content\/uploads\/2014\/02\/supercapAmpInside-e1536228634883.jpg' title=\"\" data-rl_title=\"\" class=\"rl-gallery-link\" data-rl_caption=\"\" data-rel=\"lightbox-gallery-1\"><img width=\"150\" height=\"150\" src=\"https:\/\/www.zprod.org\/zwp\/wp-content\/uploads\/2014\/02\/supercapAmpInside-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" loading=\"lazy\" aria-describedby=\"gallery-1-605\" srcset=\"https:\/\/www.zprod.org\/zwp\/wp-content\/uploads\/2014\/02\/supercapAmpInside-150x150.jpg 150w, https:\/\/www.zprod.org\/zwp\/wp-content\/uploads\/2014\/02\/supercapAmpInside-90x90.jpg 90w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-1-605'>\n\t\t\t\tsupercap audio amp power\n\t\t\t\t<\/dd><\/dl><br style=\"clear: both\" \/>\n\t\t<\/div>\n\n","protected":false},"excerpt":{"rendered":"<p>Finally finished the mini audio amp I started when I visited Flowering Elbow. I fitted a supercapacitor array inside the amp, that gives approximately 20 minutes of operation when fully charged. Charging it with one of my modified dynamo torches takes 3-4 minutes. Finger dancing optional. Music is Chocolate by Syrup.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[29,31],"tags":[40,19],"_links":{"self":[{"href":"https:\/\/www.zprod.org\/zwp\/wp-json\/wp\/v2\/posts\/394"}],"collection":[{"href":"https:\/\/www.zprod.org\/zwp\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.zprod.org\/zwp\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.zprod.org\/zwp\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.zprod.org\/zwp\/wp-json\/wp\/v2\/comments?post=394"}],"version-history":[{"count":9,"href":"https:\/\/www.zprod.org\/zwp\/wp-json\/wp\/v2\/posts\/394\/revisions"}],"predecessor-version":[{"id":606,"href":"https:\/\/www.zprod.org\/zwp\/wp-json\/wp\/v2\/posts\/394\/revisions\/606"}],"wp:attachment":[{"href":"https:\/\/www.zprod.org\/zwp\/wp-json\/wp\/v2\/media?parent=394"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zprod.org\/zwp\/wp-json\/wp\/v2\/categories?post=394"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zprod.org\/zwp\/wp-json\/wp\/v2\/tags?post=394"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}