Introduction
- Liquid crystal display (LCD) 16x2
- Programming functions for the Arduino Uno
- Example
(30 minutes)
LCD 16x2
A liquid crystal display 16x2, consists of
- 16 columns
- 2 rows
These columns and rows form “rectangles” in which we can display a character.
LCD interface with 4 data pins
|
Pin |
Connection |
Pin |
Connection |
|
|
1 |
Gnd |
9 |
Gnd |
|
|
2 |
Vcc |
10 |
Gnd |
|
|
3 |
Potentiometer |
11 |
Arduino |
|
|
4 |
Arduino |
12 |
Arduino |
|
|
5 |
Gnd |
13 |
Arduino |
|
|
6 |
Arduino |
14 |
Arduino |
|
|
7 |
Gnd |
15 |
Vcc |
|
|
8 |
Gnd |
16 |
Gnd |
