While you're at it see if you can't to learn to put more than
one point in a reply and thereby shorten the threads to which
you reply.

Marty, I like your desperate attempt after I proved you wrong. As I said, radio
shack and others make 12V adapters with a sliding switch to choose various
voltages. They even have different tips to fit. You got busted and now want a
crash course in resisters? Why not just ask for the secret KFC recipe and they
you can "really" be right for once?!

RB