Pin outs for the
Hitachi HD44780 LCD
from AdaFruit
Pin number on LCD
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
LCD pin Name
Neg.
Pos.
Middle
RS
RW
EN
DB4
DB5
DB6
DB7
Pos.
Neg.
Arduino pin Number
Neg.
Pos.
Board
7
Neg.
8
9
10
11
12
Pos.
Neg.
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