Thank you! - Chris Edward Gisske wrote: > > Use two port lines. Connect the led (in series with a resistor) between the > port lines. With one line up and the other down, the led is green. With the > state of the lines reversed, the led is red. With both lines up (or down) > the led is off. The moral equivalent of a bridge circuit... > Edward Gisske, P.E. > Gisske Engineering > 608-523-1900 > gisske@offex.com > > ----- Original Message ----- > From: "Chris Oesterling" > To: > Sent: Sunday, April 18, 2004 7:26 AM > Subject: [PIC]: Driving a single bicolor LED > > > 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. > > -- > http://www.piclist.com hint: The PICList is archived three different > ways. See http://www.piclist.com/#archives for details. -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.