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Overunity Machines Forum



Joule Thief

Started by Pirate88179, November 20, 2008, 03:07:58 AM

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Pirate88179

#14100
October 09, 2010, 03:17:19 AM
Wilby:

Wow, MH admits you can light up to 50 leds from an AA?  Gee, what about 400?  I guess he missed that one.

Bill
See the Joule thief Circuit Diagrams, etc. topic here:
http://www.overunity.com/index.php?topic=6942.0;topicseen

WilbyInebriated

#14101
October 09, 2010, 03:30:45 AM
Quote from: Pirate88179 on October 09, 2010, 03:17:19 AM
Wilby:

Wow, MH admits you can light up to 50 leds from an AA?  Gee, what about 400?  I guess he missed that one.

Bill
indeed! i was impressed by his claim that "A single AA cell can only light a single LED"... i guess if he ever came down from his ivory tower of wiki gleaned knowledge and did some bench work, he would know that it won't.
There is no news. There's the truth of the signal. What I see. And, there's the puppet theater...
the Parliament jesters foist on the somnambulant public.  - Mr. Universe

WilbyInebriated

#14102
October 09, 2010, 03:31:06 AM
double post
There is no news. There's the truth of the signal. What I see. And, there's the puppet theater...
the Parliament jesters foist on the somnambulant public.  - Mr. Universe

Poit

#14103
October 09, 2010, 03:33:17 AM
please excuse my ignorance, but I don't see whats all the fuss about? A AA battery hooked up to a JT lights 1 LED or 400 LED's, there is no mystery... the amps are sacrificed to make the higher voltage. And there is definitely no OU.

From my limited experience, a JT seems very similar to a switch mode power supply.

Pete

WilbyInebriated

#14104
October 09, 2010, 03:49:47 AM
Quote from: Poit on October 09, 2010, 03:33:17 AM
please excuse my ignorance, but I don't see whats all the fuss about? A AA battery hooked up to a JT lights 1 LED or 400 LED's, there is no mystery... the amps are sacrificed to make the higher voltage. And there is definitely no OU.

From my limited experience, a JT seems very similar to a switch mode power supply.

Pete
there is no fuss, i was just noting how milehigh claims "A single AA cell can only light a single LED"; and laughing.
it's a blocking oscillator... this was covered in the first couple pages of this thread. where you got the idea that pirate or myself is claiming it is OU is beyond me.
There is no news. There's the truth of the signal. What I see. And, there's the puppet theater...
the Parliament jesters foist on the somnambulant public.  - Mr. Universe
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