Joule Thief

[Koen1]

@Jesus: looks like a neat combo of battery swapper and JT...

Can you please explain what exactly the use is of swapping the batteries on a JT input?

Is the idea to recharge one of the batteries while using the other as source,
or something like that?

Regards,
Koen

[MrMag]

Koen1,

Ditto, couldn't of said it better myself.

It is sad though that we are requested to prove basic theory when the ones with results outside the norm argue without explanation or technical results.

I do believe that OU is possible with pulsed DC. However, I feel this will only happen with high voltage DC, not the 1.5 or 3 volts that are being used here.
The basic use of a jt to light multiple LED's and possibly CFL's  at this low voltage is very impressive, but I really don't think OU is involved. I really do hope that I am wrong.

Tim

[nievesoliveras]

@Jesus: looks like a neat combo of battery swapper and JT...

Can you please explain what exactly the use is of swapping the batteries on a JT input?

Is the idea to recharge one of the batteries while using the other as source,
or something like that?

Regards,
Koen

That was the idea of a guy called @kubikop.
He made a circuit that uses the source battery and recharges the other battery as you said and when it is switched the other day it use the charging battery as source and viceverza.

The goal here is to acomplish the same with the least parts as posssible and to use it to move something greater and use that other moving thing or another circuit as a recharger to a battery bank. The energy can be used on many ways.

Even though there could be a pick up coil that can be used to recharge a battery or batteries while the joule thief works swapping back and forth, I dont know if it could be to much load to it.

Do you have any ideas on how to exchange the two positives as this switch does but just with a transistor maybe or a zener diode that triggers when a certain voltage is attained and shuts off after getting out of that voltage directing the voltage pass to one battery or the other?

Jesus

[Mk1]

@koen1

All i have been saying is , if you have a 2 coil transformer 1 to 1 turn ratio , if we take away lost energy and tell there 1 to 1
the secondary should have the primary current , and adding other coil will not effect those 2 coil results and you will have current in the other pickup coil .voltage and current will be determine by turn ratio . If its not the case the law that is wrong.

Think transformer with many secondary windings.


Edit Btw the fact that you can't get my high voltage results are more representative of your toroid being not good , more then anything else , its a green one inch toroid , i have only one that are giving me those really high voltage, but if you tell me what you got , i may have one , and will test to see the result you can expect. I have no reason for laying about voltage since it has no amps reading to show current . One of the things i have on all of others here is i made over 30 winding different design over the same toroid and tested all of them in same fashion. Since my test are always one the same toroid help me improve on design , because i see real result , not data subjected to other toroid and transistor and get confused by it. Also i can tell you how to do it and made pictures of them(ist got almost as good result with a charcoal toroid for gold mine but some of his are also because of is diode are germanium)if you still don't get those result , no one got bad results with my design , if they did they have a bad toroid. also you need to tune the freq to the toroid with a pot .

Many thing can happen when someone try to build this , not everyone thinks alike and many make modification , modification are part of learning , but they are no design of mine . So i don't really feel bad about it.
Some have a hard time making there coil tight on the toroid , not my fault either , it not hard you hold the coil on every turn the first 3 turns are a bit loose but at the forth you should be able to make them nice and tight .
Sorry if i just am better. Anyone can play chess , but try me !

Anyway , most of the design on this tread i have tried and told you about the best.

My toroid was taken from comun mode ac inductor its green most likely high flux , Get i clues?


And where are your picture of those toroid ?So i could bring some seance into you guys

[nievesoliveras]

@all

There is this circuit that @gadgetmall did on february I think. That it is supposedly simpler than the one from @thedaftman which link was posted on the same thread.

This is the link for @gadgetmall's circuit.
http://www.overunity.com/index.php?topic=6362.msg159397#msg159397

This is the link for @thedaftman's circuit.
http://www.overunity.com/index.php?topic=6362.msg159185#msg159185
For me has been too complicated and the parts difficult to get.

@gadgetmall
I dont understand the circuit. even though it is a 555 ic. I think that the 555 uses too much voltage to work and can deplete the battery faster than it is charged.
Maybe you know some other simpler way on the line of the @kubikop idea of just switching the two battery positives with a switch.

Thank you in advance.

Jesus