Maybe you could modify the electronics from an old/defunct compact fluorescent (mains) bulb. It might not be much more difficult than rewinding the pulse transformer and changing a couple of resistors. RP On 02/11/06, Alan B. Pearce wrote: > >I think, on reflection, I posted the request in a moment of, for want of > >a better word, weakness. After being frustrated on the phone for quite > >some time, I thought I'd ask the guys who really know. When being > >given prices $33 - $42 per tube, you just know you could do it for > >less ;-) > > > >Then it dawned on me > > > > http://home.howstuffworks.com/fluorescent-lamp.htm > > > >Confirmed what I already thought I knew and filled in some blanks. > >Not quite as simple or cheap to build your own after all. Looks like > >I'll need to visit an electrical store and probably stump up for the 12V > >fittings. Oh well, live and learn > > I don't see why one shouldn't be able to build something for less than that. > My unit did not use a starter, the secondary of the transformer acts as the > ballast, and I wired both pins at the end of the tube together, and operated > it in the "instant-start" mode they mention several pages into that article. > > A suitable ferrite core, a suitable transistor and a handful of discrete > components I would have thought would come in at around NZ$10 unless prices > have gone real AWOL since i was there. > > -- > http://www.piclist.com PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist