/**
  \example eChO.cpp 

  Another example of traditional byte-by-byte serial communications.
  This sketch opens the NorthFace for traditional serial at 57600 baud
  8N1, and just echoes back everything it reads -- except every other
  alphabetic charater has iT's CaSe InVeRtEd.  so We CaN eAsIlY tElL
  tHaT iT's WoRkInG.

 */
