Olin wrote: > I might put a decent buck regulator on the main board that produces about > 5.5 volts, then distribute that to each daughter board. Do you have any suggestions on which one? I liked the idea, since there is a big step down from 12V to 5V and energy is very precious in my application. Thanks Padu -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist