Second Stage Joule Thief Circuits

[guruji]

Hi Gagdetmall today I received the Ucap and thanks for that small solar panel. Looking forward to build your heater circuit Gagdet.
Don't be too much in it even that people think otherwise against you take it easy. Relax man cause sometimes I feel you're getting a bit tense.
World is like a dream after all ;we sometimes dream many horror things but when we get awake we laugh at it.
Stay always in that eternal now;no matter what thoughts come cause that is the only freedom we truly have.
Ok enough of the philosophy now  .
Happy Christmas

[Groundloop]

All,

A little update on the progress with the automated feed back and discharge circuit.

I have completed most of the software and now the feed back part is working.
I get a feed back start at 1,25 volt and a feed back stop at 1,30 volt. (This voltage level
is adjustable with an external pot-meter.) Now I will start getting the discharge
part to work. I had to change one resistor value to zero Ohm, but the pcb layout
did not need any changes. I will post the new circuit drawing and software when done.

Alex.

[mscoffman]

@groundloop et all

This approach looks nearly perfect. To have a self runner that supports a 'up'
controller, is great because the function can be expanded slightly, to include
various types of monitoring. But you should just focus on the basic functioning
of the controller as you now see it.

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Treat this project just as if you are landing a glider...Just keep the target
located inside the little red box, ignore the scenery going by as it soon will
be all behind you.


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Good work and good luck.

:S:MarkSCoffman

[gadgetmall]

@all  I made a video last night and finally got it uploaded after 7 hours  this is that JT that i built for paul but Gave it to Alex instead . MerryChristmas . This is exactly how i measured it and i have no idea why it put out more than in . Alex will have a good time with this one ! calculated just from My little experiment last night with his JT 5 mW in and 75 mW out, that is a COP = 15  No need to replicate  we have it under control !
Alex if your looking you package is on its way . I also inclosed a spare toroid!
http://www.youtube.com/watch?v=3q2VnPpvKdI


MerryChristmas

Albert

[Groundloop]

@mscoffman,

Thanks.

Yes, the micro controller can do many things and we can expand the circuit later on.
I tried to keep it simple because I did not want the circuit to load the AA battery to much.
Measurements I did today shows me that the circuit itself uses approx. 600uA from the
1,5 volt battery when it runs. (micro Ampere = milli Ampere / 1000)

@Gadget,

Thanks a lot. I will look at your video, merry Christmas.

Alex.