{"id":2456,"date":"2021-08-04T21:00:53","date_gmt":"2021-08-04T19:00:53","guid":{"rendered":"http:\/\/www.dotmana.com\/weblog\/?p=2456"},"modified":"2021-08-04T21:02:38","modified_gmt":"2021-08-04T19:02:38","slug":"uv-c-lamp-3w-usb-power-supply","status":"publish","type":"post","link":"http:\/\/www.dotmana.com\/weblog\/2021\/08\/uv-c-lamp-3w-usb-power-supply\/","title":{"rendered":"UV-C lamp 3W USB power supply"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Want to drive a E17 3W UV-C bulb (the germicidal one, generating ozone or not depending of the version of the glass) from USB (or any battery)?<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"http:\/\/www.dotmana.com\/weblog\/wp-content\/uploads\/HE1693445_185134-PHE-PHY-P01-1024x1024.jpg\" alt=\"\" class=\"wp-image-2457\" srcset=\"http:\/\/www.dotmana.com\/weblog\/wp-content\/uploads\/HE1693445_185134-PHE-PHY-P01-1024x1024.jpg 1024w, http:\/\/www.dotmana.com\/weblog\/wp-content\/uploads\/HE1693445_185134-PHE-PHY-P01-150x150.jpg 150w, http:\/\/www.dotmana.com\/weblog\/wp-content\/uploads\/HE1693445_185134-PHE-PHY-P01-300x300.jpg 300w, http:\/\/www.dotmana.com\/weblog\/wp-content\/uploads\/HE1693445_185134-PHE-PHY-P01-768x768.jpg 768w, http:\/\/www.dotmana.com\/weblog\/wp-content\/uploads\/HE1693445_185134-PHE-PHY-P01-144x144.jpg 144w, http:\/\/www.dotmana.com\/weblog\/wp-content\/uploads\/HE1693445_185134-PHE-PHY-P01.jpg 2000w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Use this DDTCCRUB 4S-2A Battery Charger Module Step Up Boost Li-Polymer<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"800\" src=\"http:\/\/www.dotmana.com\/weblog\/wp-content\/uploads\/DDTCCRUB-chargeur-de-batterie-au-Lithium-3S-2A-Module-de-charge-de-batterie-Li-ion-Step.jpg_q50.jpg\" alt=\"\" class=\"wp-image-2458\" srcset=\"http:\/\/www.dotmana.com\/weblog\/wp-content\/uploads\/DDTCCRUB-chargeur-de-batterie-au-Lithium-3S-2A-Module-de-charge-de-batterie-Li-ion-Step.jpg_q50.jpg 800w, http:\/\/www.dotmana.com\/weblog\/wp-content\/uploads\/DDTCCRUB-chargeur-de-batterie-au-Lithium-3S-2A-Module-de-charge-de-batterie-Li-ion-Step.jpg_q50-150x150.jpg 150w, http:\/\/www.dotmana.com\/weblog\/wp-content\/uploads\/DDTCCRUB-chargeur-de-batterie-au-Lithium-3S-2A-Module-de-charge-de-batterie-Li-ion-Step.jpg_q50-300x300.jpg 300w, http:\/\/www.dotmana.com\/weblog\/wp-content\/uploads\/DDTCCRUB-chargeur-de-batterie-au-Lithium-3S-2A-Module-de-charge-de-batterie-Li-ion-Step.jpg_q50-768x768.jpg 768w, http:\/\/www.dotmana.com\/weblog\/wp-content\/uploads\/DDTCCRUB-chargeur-de-batterie-au-Lithium-3S-2A-Module-de-charge-de-batterie-Li-ion-Step.jpg_q50-144x144.jpg 144w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Change the RCS resistor from 50mOhm to 125mOhm (0.125 Ohm) to change the charging current to 300mA.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Remember, these bulb have to be supplied 16V (min) so the filament starts glowing, but once the arc is established, current has to be limited to 300mA (settling at around 10V)<\/p>\n\n\n\n<figure class=\"wp-block-video\"><video height=\"1520\" style=\"aspect-ratio: 720 \/ 1520;\" width=\"720\" controls src=\"http:\/\/www.dotmana.com\/weblog\/wp-content\/uploads\/UV-C_USB.mp4\"><\/video><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Don&#8217;t let it run more than few sec on the front of your naked eye\/skin.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Want to drive a E17 3W UV-C bulb (the germicidal one, generating ozone or not depending of the version of the glass) from USB (or any battery)? Use this DDTCCRUB 4S-2A Battery Charger Module Step Up Boost Li-Polymer Change the &hellip; <a href=\"http:\/\/www.dotmana.com\/weblog\/2021\/08\/uv-c-lamp-3w-usb-power-supply\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-2456","post","type-post","status-publish","format-standard","hentry","category-ubuntu"],"_links":{"self":[{"href":"http:\/\/www.dotmana.com\/weblog\/wp-json\/wp\/v2\/posts\/2456","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.dotmana.com\/weblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.dotmana.com\/weblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.dotmana.com\/weblog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/www.dotmana.com\/weblog\/wp-json\/wp\/v2\/comments?post=2456"}],"version-history":[{"count":2,"href":"http:\/\/www.dotmana.com\/weblog\/wp-json\/wp\/v2\/posts\/2456\/revisions"}],"predecessor-version":[{"id":2461,"href":"http:\/\/www.dotmana.com\/weblog\/wp-json\/wp\/v2\/posts\/2456\/revisions\/2461"}],"wp:attachment":[{"href":"http:\/\/www.dotmana.com\/weblog\/wp-json\/wp\/v2\/media?parent=2456"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.dotmana.com\/weblog\/wp-json\/wp\/v2\/categories?post=2456"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.dotmana.com\/weblog\/wp-json\/wp\/v2\/tags?post=2456"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}