Joule Thief

[nievesoliveras]

...
@jesus, it may even be that when the humidity is high you have better results because these sparks cannot happen.
Or the opposite because the sparks are serving a purpose.

maybe spirits are sparks! 

jeanna

Thank you Lady @jeanna !
You are right it could be related to the weather humidity or lack off. Also as you said, maybe the spirits are sparks.

Jesus

[Mk1]

@all

This is a video i have seen one year ago , and never forgot about it , i am not sure why , but this Am radio builder found ultra low freq when playing with the antenna core , he show at least 2 freq , that are probably not human made , maybe the wheel it self, or solar wind maybe earth magnetic flux , any how it show on a scope , maybe that is what makes the air and earth battery work and maybe the tpu . Or maybe man made tesla old experiment or maybe some harp player.

Anyway its worth a look , to see things that keep me up at night .

Mark

http://www.youtube.com/watch?v=UQzsShRXvWw

[resonanceman]

I tried also 473k and 474k

By the way
104k = 0.1uf   = 100000pf
103k = 0.01uf  = 10000pf
...
474k = 0.47uf  = 470000pf
473k = 0.047uf = 47000pf

The last time my circuit worked well was two days ago. It seems like if it were a spirit playing inside the circuit sometimes, or maybe it is that the toroid enter into resonance and then stop.

I do not have an oscilloscope or any fancy meter to help me on this quest.
That is why I cannot trap the charging state.

I am still using breadboards. I cannot solder the parts because I use them on different experiments. I store the schematic of what I did and sometimes some explanation of how I did it.

Improvement 2 is used only to run the pulse motor, it does not make any difference on the charge output.  Without it the motor gets slow, with it the pulse motor goes faster.

Jesus

Jesus

I think   if you solder  up  at least   a few parts that  you can use  alot your  stabilty will improve .

[jeanna]

@jeanna
How are you moding your fuji boards? I am seeing 10 hours of light with a 13 Watt CFL.

-Altrez

Hi Altrez,
I am not doing that anymore. I wanted to do the deal with a hand wound toroid and not rely on a manufactured product, so, I still have 1 unchanged in any way and one that has a blown part, but the motivation is not there. Are you using gadget's mod? I could make one of mine better using that mod of his.

And it wil light 140 leds for 24 hours.

Yes, 24 hours is what you will drain from the battery because the transistor is there. The leds take so little that you are pretty much down to the transistor use.


@Gary,
nice pics.

jeanna

[gadgetmall]

Hi free,

I am sorry to say I believe you are using the wrong fuji circuit.
I believe I got the closest with that AAA one, but no one was able to make the fuji AAA circuit work[/glow]. I got it to turn on but only if I touched it. It stayed on for 5 seconds then went out. It just does not produce enough voltage probably.
The one to use has a AA in it and a black push button for charging.
My guess is that yours has a green slide button for charging??

===
I think the best way to start making a joule thief is to get a 2N3904 or 2N2222. They are really good at making a circuit that works right away.
Once you have had one work, then make others in other ways.

Well, that is my approach. It may not be yours.

Have you watched the youtube video ?

http://www.youtube.com/watch?v=gTAqGKt64WM
this is how I made my first one before I came here.

Where are you living?
Is that an italian accent?

It might be easier to help you if we know what country you are living in.


jeanna

Jeanna you must have miss a lot of the post i did . I have mods for all three Fuji Circuits and the aaa is brighter than the aa version . I can mod any camera Circuit to light Cfl'c here one  aaa . Jeanna if your aaa fugi is a bad transistor you can replace it with a 2n3904 or 2n2222 just make sure the legs are in the right holEs the pin out is different than a Standard fuji transistor . you can zoom in and see the mod . . replace the base resistor and short a diode . not the red one . free if you need some help let me know and i'll try to help .

Nite ..and Sweet Electric Dreams everyone . Mucho Tired .
Gadget .
Gadget