RS at 8
E at 7
d4 = 12
d5 = 11
d6 = 10
d7 = 9;

const int rs = 8, en = 7, d4 = 12, d5 = 11, d6 = 10, d7 = 9;
LiquidCrystal lcd(rs, en, d4, d5, d6, d7);