BOM

                      1.  LCD 5" (RA8875 WVGA 800X480)

                      2.  Encoder optical fi=38mm (important)

                      3.  PO74G74 (high speed 600MHz)

                      4.  PO3B14 (high speed 1.2GHz)

                      5.  Encoders mechanical

                      6.  Button Micro Switch