EER Joule Thief using an earth battery to start a joule thief.

[jeanna]

What are you using to pusle your DC?  Or are you?
I mean that looks like a transformer.
You're gonna make me read huh?

Hi foggy-notion,

It is the joule thief that makes the pulses.
The toridal transformer has a center tapped primary which runs the normal joule thief light (JTL).
Adding a secondary and removing the normal JTL, allows him to use the spikes of voltage that happen as a result of the switching of the joule thief while keeping the basic dc joule thief circuit unchanged or unaffected.
If you read the first 100 pages of the joule thief thread, you will get all you need. (OR, whatever page it was, read to about the end of last january.)
The rest is repeats and progress to where we are now.

A hint at the pages thing.
Go to your profile and change the number of posts per page from the default to 50. There is less time spent loading the page this way.
It is never boring. There are a lot of great posts and ideas. It is very inspiring to read and nobody should avoid it.

Also, after reading it you might remind us of something we started but never continued last year!

thank you,

jeanna

[Foggy-Notion]

Well thank you Jeanna,
and is this something I might be able to use to
pulse the HV low ampre jucie from my Wimshurst?

[jeanna]

....
and is this something I might be able to use to
pulse the HV low ampre jucie from my Wimshurst?

you run out of hands really fast with the wimhurst machine, but please try it and report.

jeanna

[freepow]

Hello  LASERSABER, from freepow

How many volts and mA's are you getting from your EER (Earth battery) to light 61 LED's
And are all 61 LED's lit bright

Oh !  and very well done on your Joule thief powered by your EER !!!

[lasersaber]

Jeanna,

Each of the bulbs and the single LED are connected to the same place on the secondary.  I did pop a few LEDs.  I am not using a resistor.  There are 64 or 65 winds on the secondary.  I counted it twice and got a different number each time.  I spent almost a whole day winding and unwinding that toroid.

Thanks so much for your help.  I would not have been able to make this without it.


Freepow,

I am at 1.650 and 40 milliamps on my earth battery.  I am about to start expanding my system some more and I am sure that I will be able to up my milliamps.  I will post my results.

The bulb LEDs are not what I would call bright but maybe that is because they are in series.  They are also a different kind of LED.