----- Original Message ----- > > http://archive.chipcenter.com/eexpert/akruger/akruger042.html > > According to that, it appears as though you can illuminate a red LED > with a blue LED - and I would guess a green LED. > Well, no. Quite the opposite, as I read it. paul perry melb aust (wishes he was as thick as a Planck, not a plank)