Oh ok, that 1.25 had been bothering me forever.

I used the LM317. The brightness changed dramatically with only resisters and considering the expense of the luxeons I didn't want to burn them out.

But with normal LEDs I'd recommend just resisters if you can get away with it...it's just a simpler circuit. Run some tests and see how bright they are at lower voltage.

Steve
My Website ||Gettin' off 4wheel drive club member
'93 4Runner V6 4x4 auto tranny
If you have to ask about a SAS, you're not ready for it.