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Overunity Machines Forum



Joule Thief

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

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erfandl

#16905
August 05, 2021, 10:26:44 AM
Quote from: norman6538 on August 05, 2021, 09:56:07 AM
So does this mean the LED has been lit for a week and the Batt V has not gone down?
If so quite impressive.

How many free watts would that be?
I'm wondering what the antenna does in this circuit. I think that is new from my memory.
With the antenna this circuit is looking more like the Morray/Bruce Perreault work.

Which diode is the LED? 



Thanks

Norman
Yes that's right battery voltage did not decrease in a week.
Which antenna? There is no antenna in the circuit!. If you mean red wire, this wire is only for connecting the transistor collector to the circuit.

what you mean about "Which diode is the LED?"

norman6538

#16906
August 05, 2021, 12:39:29 PM
Thanks Erfandl
the drawing here shows the circuit I refered to.
https://overunity.com/6123/joule-thief/msg552564/#msg552564

and I thought all Joule Thief's had an led... and the photo shows that too.
Did I get something twised up?

Norman

erfandl

#16907
August 06, 2021, 04:24:15 AM
Quote from: norman6538 on August 05, 2021, 12:39:29 PM
Thanks Erfandl
the drawing here shows the circuit I refered to.
https://overunity.com/6123/joule-thief/msg552564/#msg552564

and I thought all Joule Thief's had an led... and the photo shows that too.
Did I get something twised up?

Norman
Please look carefully. This post was not sent by me

this is my circuit:

norman6538

#16908
August 06, 2021, 06:25:40 AM
Thanks erfandl for clearing that up.
Norman

seychelles

#16909
August 07, 2021, 08:24:41 AM
JUST HELPING OUT.
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