Feedback To Source

nievesoliveras · May 28, 2009, 12:57:03 PM

Quote from: WilbyInebriated on May 28, 2009, 11:15:28 AM
just built it jesus. my source battery was @ 1.11v.
as soon as i connected it, it dropped to about .37v. it climbs to .58 or so and then drops back to .36 or.37 and repeats. i will let it run and see what happens.

@ shubham
104k is a disc capacitor.

Make a test.
Disconnect the two diodes going to the battery's positive.
Take an LED and connect it between the first diode coming out of the transistor's collector and ground.
It must light if your battery and the circuit are okay.
Then connect the diodes back, if everything is okay. Remember it must be a working joule thief.

Jesus

WilbyInebriated · May 28, 2009, 01:34:14 PM

sorry. i should have edited my first post. i got it operating properly. i think i had a bad battery, i swapped it out for another and it's fine. this one is @ 1.24V. i will let you know what it reads in a few hours.

shubhamforme · May 28, 2009, 01:35:04 PM

hi i have tried evrything...but this is nt working....and my battery voltage fell from 1.23v to .7v and its gradually decreasing...also i had use 800 ohms insted of 1 k but still it does not chargs up the battery....

i dont think this circuit is a slf chaging circuit......
dd your charged up the battery?

i dont think that this will charges up.......
kindly tell me that what should be don....

thanks

Quote from: nievesoliveras on May 28, 2009, 12:57:03 PM
Make a test.
Disconnect the two diodes going to the battery's positive.
Take an LED and connect it between the first diode coming out of the transistor's collector and ground.
It must light if your battery and the circuit are okay.
Then connect the diodes back, if everything is okay. Remember it must be a working joule thief.

Jesus

nievesoliveras · May 28, 2009, 01:59:42 PM

Quote from: shubhamforme on May 28, 2009, 01:35:04 PM
hi i have tried evrything...but this is nt working....and my battery voltage fell from 1.23v to .7v and its gradually decreasing...also i had use 800 ohms insted of 1 k but still it does not chargs up the battery....

i dont think this circuit is a slf chaging circuit......
dd your charged up the battery? i dont think that this will charges up.......
kindly tell me that what should be don....

thanks

Mine is still charging.
Because I cant put my camera to work for the time being, I will make some step schematics to clarify the whole thing.

Jesus

nievesoliveras · May 28, 2009, 03:35:37 PM

@all

Here are the promised schematics.

The complete self charger only have three diodes and a ceramic 104k or 0.1uf and it works just like that.
The other stuff is overkill.

Jesus