Joule Thief

[xee2]

Ignition coil lights both electrodes of neon. Therefore must have AC output. Seems strange.

[nievesoliveras]

Ignition coil lights both electrodes of neon. Therefore must have AC output. Seems strange.

That is good @xee2 !

I see on your schematic that you are connecting the Fluorescent between the positive and the high voltage, I think that it should work better if it is connected between the hight voltage and the negative that goes to the transistors emitter.

I could be wrong though.

Jesus

[Pirate88179]

MK1:

Nice photos man!  I am glad you got a cam.  Wow, look at all that cool stuff.  I want to come play at your place.  Very nice collection over there.


Yucca:

Please keep us posted on this circuit, it really sounds promising.  Perhaps you can close the loop?  I hope so...and then...scale it up and the OU prize will be yours.  If not, as you said, a very efficient circuit and those are very useful too.  Nice work.

Bill

[nievesoliveras]

I mean something like this.

Jesus

[Pirate88179]

Jesus:

Again, just so you know, a CCFL is not the same as a CFL.  What you just described was a CFL. (Google can explain the difference better than I can)  If you want to light a CFL, that is cool but a Fuji will do that as well as many of the other designs here by MK1 and Xee2 and Gadgetmall and Jeanna. (There may be others, sorry if I left you out)

CCFL= Cold Cathode Flourescent Lamps.

I hope this helps.

Bill