Duel Binary display

One on my favorite things about binary is its intrinsic property of “if not one then the other”. This basically means anything with two states: true or false, on or off, yes or no, etc. Because of this property you can easily determine the state of a binary system with a single LED. The LED’s on state represents a one and the off state represents a zero. While this is a useful, super-easy way to display information, it does leave something to be desired. I mean, it’s just one LED.
I want a