How to make a Joule Thief circuit that powers a Compact Fluorescent Lightbulb (CFL) using batteries, in this case the Jeanna's Light approach. I go step-by-step on how to make the circuit, including details on how to wind the coils which is the trickiest part. This uses just two AA batteries, a switch, a 2N3055 power transistor, a 100 ohm variable resistor or potentiometer, a ferrite toroid core, and for the coils, some 30 gauge magnet wire along with some more thickly insulated wire for the high voltage side. I also do some demonstrations lighting up my office, outdoors and for reading.
This video has correct English captions. Click on the CC button at the bottom of the video to see them.
For all sorts of measurements and demonstrations of this joule thief and CFL see my follow-up video "Fun with Joule Thief Powering a CFL":
http://youtu.be/yz_99oVMbSI For details on how a Joule Thief works, see my "How a Joule Thief Works" video:
http://youtu.be/0GVLnyTdqkgFor how to make a simpler Joule Thief that lights an LED using a dead AA battery, see my "Make a Joule Thief for Zombie Batteries" video:
http://youtu.be/B61DU7yEsPMTo see how to attach the transistor to a heat sink to prevent overheating, see my "How to mount/attach transistor to heatsink (2N3055)" video:
http://youtu.be/hNRacVQRgBcAnd to see how to make a very simple AM radio transmitter see my "How to Make AM Radio Transmitter" video:
http://youtu.be/_4-Sx-T6VBcFor more about the Joule Thief circuit, see my website here:
http://rimstar.org/sdenergy/joule_thief.htmAnd here's Jeanna's channel:
http://www.youtube.com/user/jeannacavTo follow me on Twitter:
https://twitter.com/#!/RimStarz
http://rimstar.orgMusic used for the first part:
A Darker Heart - music by audionautix.com
Music used for the second part:
5 Cents Back - music by audionautix.com
About the Site 🌐
This site provides links to random videos hosted at YouTube, with the emphasis on random. 🎥
Origins of the Idea 🌱
The original idea for this site stemmed from the need to benchmark the popularity of a video against the general population of YouTube videos. 🧠
Challenges Faced 🤔
Obtaining a large sample of videos was crucial for accurate ranking, but YouTube lacks a direct method to gather random video IDs.
Even searching for random strings on YouTube doesn't yield truly random results, complicating the process further. 🔍
Creating Truly Random Links 🛠️
The YouTube API offers additional functions enabling the discovery of more random videos. Through inventive techniques and a touch of space-time manipulation, we've achieved a process yielding nearly 100% random links to YouTube videos.
About YouTube 📺
YouTube, an American video-sharing website based in San Bruno, California, offers a diverse range of user-generated and corporate media content. 🌟
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Users can upload, view, rate, share, and comment on videos, with content spanning video clips, music videos, live streams, and more.
While most content is uploaded by individuals, media corporations like CBS and the BBC also contribute. Unregistered users can watch videos, while registered users enjoy additional privileges such as uploading unlimited videos and adding comments.
Monetization and Impact 🤑
YouTube and creators earn revenue through Google AdSense, with most videos free to view. Premium channels and subscription services like YouTube Music and YouTube Premium offer ad-free streaming.
As of February 2017, over 400 hours of content were uploaded to YouTube every minute, with the site ranking as the second-most popular globally. By May 2019, this figure exceeded 500 hours per minute. 📈
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