Use an android phone/tablet as a display for arduino. To see how I have used this application see: http://forum.arduino.cc/index.php?topic=174837.msg1297873
Life time supply of free Sudoku puzzles. Direct screen entry for a simpler game experience. All the available pencil numbers are displayed.A red box indicates no number selection is possible. The program will solve any solvable sudoku. Suitable for phones and tablets with no obtrusive adds....