{"id":24246,"date":"2026-01-28T05:48:40","date_gmt":"2026-01-28T05:48:40","guid":{"rendered":"https:\/\/wpinitiate.com\/youtubomatic-test\/demoa26f6b3a\/2026\/01\/28\/bd139-solar-tracker-with-auto-night-light-altium-diyprojects-electronic\/"},"modified":"2026-01-28T05:48:40","modified_gmt":"2026-01-28T05:48:40","slug":"bd139-solar-tracker-with-auto-night-light-altium-diyprojects-electronic","status":"publish","type":"post","link":"https:\/\/wpinitiate.com\/youtubomatic-test\/demoa26f6b3a\/2026\/01\/28\/bd139-solar-tracker-with-auto-night-light-altium-diyprojects-electronic\/","title":{"rendered":"BD139 Solar Tracker with Auto Night Light..                        #Altium  #diyprojects #electronic"},"content":{"rendered":"<div class=\"youtubomatic-video-container\"><iframe loading=\"lazy\" allow=\"autoplay\" width=\"580\" height=\"380\" src=\"https:\/\/www.youtube.com\/embed\/9jojFLgGG1o?controls=1\" frameborder=\"0\" allowfullscreen><\/iframe><\/div>\n<p>Accelerate Your Career in Electronics Design<br \/>Altium Student Lab: <br \/><a href=\"https:\/\/www.altium.com\/in\/yt\/electricdhamaka\" target=\"_blank\">https:\/\/www.altium.com\/in\/yt\/electricdhamaka<\/a> <\/p>\n<p>#Altium #AltiumStudentLab<\/p>\n<p>In this video, I show my Automatic Solar Light with Solar Tracker project.<\/p>\n<p>This project is a combination of two separate circuits working together.<\/p>\n<p>First, I made an automatic solar light circuit using a 100 mA solar panel, an IRF540 MOSFET, 10k resistor, 1N47 diode, and a 3.7V lithium iron battery.<br \/>During daytime, the solar panel charges the battery, and at night the LED automatically turns ON without any switch.<\/p>\n<p>Second, I made an automatic solar tracker using two BD139 transistors, 200-ohm resistors, and LDRs.<br \/>The solar tracker helps the panel follow the sun throughout the day to get maximum sunlight.<br \/>Since the 3.7V battery is not enough to rotate the DC motor, I used a voltage booster module to supply higher voltage to the solar tracker circuit.<\/p>\n<p>After combining both projects:<br \/>The solar tracker tracks the sun all day \u2600\ufe0f<br \/>The battery charges efficiently \ud83d\udd0b<br \/>At night, the LED turns ON automatically \ud83d\udca1<br \/>This project is simple, low-cost, and very useful for automatic outdoor solar lighting.<\/p>\n<p>If you like this project, please like, share, and subscribe for more electronics experiments \ud83d\ude0a<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Accelerate Your Career in Electronics DesignAltium Student Lab: https:\/\/www.altium.com\/in\/yt\/electricdhamaka #Altium #AltiumStudentLab In this video, I show my Automatic Solar Light with Solar Tracker project. This project is a combination of two separate circuits working together. First, I made an automatic solar light circuit using a 100 mA solar panel, an IRF540 MOSFET, 10k resistor, 1N47 [&hellip;]<\/p>\n","protected":false},"author":8553,"featured_media":24247,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[77855,73365,54821,77857,3757,682,8124,3333,5771,59395,239,1228,16427,12445,50,1638,77856,15593],"tags":[77852,73361,54812,77854,3751,664,8111,3318,5762,59380,230,1207,16416,12420,23,1635,77853,15588],"class_list":["post-24246","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-automatic-night-light","category-automatic-solar-panel","category-automatic-solar-tracker","category-collage-project","category-dc-motor","category-diy","category-diy-projects","category-electric","category-electronics","category-electronics-engineering","category-engineering","category-led","category-school-project","category-science-project","category-solar-panel","category-solar-tracker","category-solar-tracker-with-automatic-light","category-study","tag-automatic-night-light","tag-automatic-solar-panel","tag-automatic-solar-tracker","tag-collage-project","tag-dc-motor","tag-diy","tag-diy-projects","tag-electric","tag-electronics","tag-electronics-engineering","tag-engineering","tag-led","tag-school-project","tag-science-project","tag-solar-panel","tag-solar-tracker","tag-solar-tracker-with-automatic-light","tag-study"],"_links":{"self":[{"href":"https:\/\/wpinitiate.com\/youtubomatic-test\/demoa26f6b3a\/wp-json\/wp\/v2\/posts\/24246","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wpinitiate.com\/youtubomatic-test\/demoa26f6b3a\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wpinitiate.com\/youtubomatic-test\/demoa26f6b3a\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wpinitiate.com\/youtubomatic-test\/demoa26f6b3a\/wp-json\/wp\/v2\/users\/8553"}],"replies":[{"embeddable":true,"href":"https:\/\/wpinitiate.com\/youtubomatic-test\/demoa26f6b3a\/wp-json\/wp\/v2\/comments?post=24246"}],"version-history":[{"count":0,"href":"https:\/\/wpinitiate.com\/youtubomatic-test\/demoa26f6b3a\/wp-json\/wp\/v2\/posts\/24246\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/wpinitiate.com\/youtubomatic-test\/demoa26f6b3a\/wp-json\/wp\/v2\/media\/24247"}],"wp:attachment":[{"href":"https:\/\/wpinitiate.com\/youtubomatic-test\/demoa26f6b3a\/wp-json\/wp\/v2\/media?parent=24246"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wpinitiate.com\/youtubomatic-test\/demoa26f6b3a\/wp-json\/wp\/v2\/categories?post=24246"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wpinitiate.com\/youtubomatic-test\/demoa26f6b3a\/wp-json\/wp\/v2\/tags?post=24246"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}