Joule Thief

[Pirate88179]

@ All:

Another long day on a case and I just got back.  I could not wait to post this, then I will go back and catch up...again.

I found the perfect supercap!!!!!  I have to wait to save up for it but it is the best deal in the supercap market I have found.  here is a link:  http://www.tecategroup.com/store/index.php?main_page=product_info&products_id=18

Get this: 2.7 volts 3,000 Farad....yes that's 3,000!!!!  $130.00 US.  This is only like $40 more than the 650 F caps I was looking at.  Digi-key had a price on a 3,000 F cap that was about $3,000.00!!!!  I am going to buy this thing as soon as I can.  Sorry for all of my excitement but, I can't believe this.  I can charge it with the earth battery at night and or solar during the day, and take it with my in my surveillance van and it will run my phone, mp3 player, recharge my digital camera....anything I want...for a long time.  I'll bet this will light a 48" tube or a CFL for a very long time.  See what you think.  This is a serious commercial unit like the use in trains and heavy equipt.

Keep up the great work everyone!

@ Jesus:

I am sorry about your friend.  I am sure he will be missed.

Bill

[jeanna]

i was about to ask the same thing ... 

my solar light stick has taken shape and i will post tonight

cheep and easy to build... can get everything at dollar ramma  but the camera ....

ist!

Great. lets see. I guess you are using a camera circuit, from an earth battery... I want to see this.

@Gadgetmall,
Can you use the joule thief to do anything to a small peltier to make it hot / cold?

After lights, I am hoping we can heat our homes and cool our drinks with the joule thief. I do think it is possible.
(- and I am persistent. )

I wouldn't object to heating my home with a 3 volt battery and a joule thief. I am not stuck on the 1.2 volt... 

@Pirate, Good find Bill. 3kF now that sounds like tesla!

jeanna

[innovation_station]

im sorry i do not have an earth battery i could and will build 1 but not right now ...  i have just throwen a unit togather to light up things that is all it is cheep to build 

and it fits togather real well  the earth  battery mod to this unit would take seconds ....   

ist

[xee2]

@ jeanna

Current is more even (smaller pulses) on battery side of Cbatt so it is easier to get good current measurement. This is what I think your circuit is. If so just copy and mark up in photoshop if you want to.

[jeanna]

Hmm,
I don't know if this pic will help, or even if this pic will load.

lessee

OK
The alligator clips are holding the additional joule thief to the main one which is on the breadboard.
You can barely see anything, but since you know what the circuits look like, I will just point out that there are 2 complete circuits and they share one battery and one 10 ohm resistor and one 47uF cap.

Maybe this helps?
jeanna