Hitachi Intruction	HEX - Dec.
Clear display	0x01 - 1
Home display	0x02 - 2
Display Off	0x08 - 8
Display ON, Cursor OFF, Blink OFF	0x0C - 12
Display ON, Cursor OFF, Blink ON	0x0E - 14
Display ON, Cursor ON, Blink ON	0x0D - 13
Display ON, Cursor ON, Blink ON	0x0F - 15