from enum import Enum


class Pin(Enum):
    CONTRAST = 1
    REGISTER_SELECT = 2
    DATA_RW = 3
    ENABLE = 4
    DB0 = 5
    DB1 = 6
    DB2 = 7
    DB3 = 8
    DB4 = 9
    DB5 = 10
    DB6 = 11
    DB7 = 12
    DB8 = 13
    DB9 = 14
