I received a Google Alert for a Joule Thief schematic. They said that it is self resonant, but in order to be self resonant, there must be a tuned circuit with a capacitor and inductor. It’s really quite simple. There is no capacitor, there is no tuned circuit, and the circuit is not self resonant.
Archive for the ‘LED’ Category:
2012-03-07 Optical Device is More Than 100% Efficient (!!)
Quantsuff sent me an email with this link, a for real COP > unity device. Well, I’m not so sure. You see, if it has to be used with the external heat contributing to the light output, then it really isn’t greater than unity, it’s just drawing energy from an external source. TANSTAAFL. I had
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2012-03-06 LED “JT” Works With BC337 Transistor Backwards!
I looked at the photo in the Yahoo Group Joule Thief, and saw that it was working, but then I noticed that the BC337 transistor looked like it was backwards. I had to look at it again to make sure that I was seeing it correctly. Yup, it looked like it was in backwards, but
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2012-03-05 Kickstart this Magnic Light Invention, Please!
I found an invention that I think is worthy of investment. The guy has a really amazing invention, and needs the money to get started. And it has to do with LEDs – cool! Actually, you don’t have to invest much, a dollar or more, or buy the T-shirt as I did, or more if
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2012-03-03 Watson’s 3 LED Flashlight
In 2000 and 2001 the pirate manipulators the likes of Enron drove So Cal Edison and the other electric companies in California to the edge of bankruptcy and caused the electricity shortage, and along with that threats of rolling blackouts. I was concerned about being stuck in some elevator without a flashlight, and since LED
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2012-02-29 (watsonseblog) Joule Thief Explanation Video
Feb 29, Leap Day. They say that St. Patrick gave the women permission to ask a man to marry on the 29th day of February. The following is a watsonseblog from Jun 13, 2011. 2011 Jun 13 Joule Thief Explanation For those who are new to Joule Thiefs, here is a 9 minute video that
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2012-02-27 Quantsuff’s Electronic Fireplace
Here in Southern California, there is no need for a fireplace, but many houses have them. The residents that have them probably don’t use their fireplace much, since they are very inefficient, and if they burn wood or logs, it can cost quite a bit. Not to mention they would be a big contributor to
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2012-02-26 LED V Boost Potted in Epoxy
I took this pic on Apr 20, 2007, about 5 years ago. I potted the two screws so I could bolt it down to a flat surface with two nuts. Burt, our late computer operator, used to tell me when I was searching for a screw and nut, “There’s no shortage of nuts around here.”
2012-02-23 Oak Wood Joule Thief Flashlight
Here’s a two LED joule Thief project that I did about a decade ago. I took the first picture in Feb 2007, more than 5 years ago, and wrote a watsonseblog about it. The second pic was taken even earlier. It works pretty good. The oak case is definitely unique. Later I used a thin
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