Only if you have a little power to spare, you can just use a two resistor voltage divider. Center point to one leg of the LED and the other leg to the output of the PIC. Rick Chris Oesterling wrote: > All, > I'm hoping to find a simpler solution to what I thought would be a > simple task of driving a single green/red bicolor LED from a PIC. > Reversing polarity isn't easy! I have found an old article that uses a > relay or suggests a better solution of using a couple of transistors and > resistors. Sorry for such a basic question. I searched the archives > and only found a matrix solution. > Thank you! > - Chris > > -- -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.