Tim McDonough writes: Hi > You may not be getting good contact between your circuit board and the > display. > The rubber pieces (I've always heard them referred to as Zebra strips) > normally have a a specification that tells you how tall they should be > when they are not compressed and the distance between the contacts on > the LCD and your circuit board. When everything is assembled and > clamped together properly the connections are made through tiny > conductors in the strips. If they are compressed too much or not > enough they do not work reliably. I am trying to buy a display to which I could connect wires directly, these Zebra strips seems to be not so easy to work with. Rodrigo -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.