How to use a 16x2 LCD

How to use a 16x2 LCD easy tutorial

Nov 17, 2021

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Devices & Components

Arduino Uno Rev3

16x2 JHD162A LCD

Jumper wires

Breadboard

10K Potentiometer

Hardware & Tools

Soldering iron (generic)

Solder Wire, Lead Free

Software & Tools

Windows 10

Arduino IDE

Project description

Code

LCD_Sketch.ino

c_cpp

Read the Comments And Upload

1#include <LiquidCrystal.h> // include the LCD library
2
3const int  rs = 12, en = 11, d4 = 5, d5 = 4, d6 = 3, d7 = 2; // where the LCD Interface pins  are Conneceted to the arduino pins
4LiquidCrystal lcd(rs, en, d4, d5, d6, d7);  // initialize the LCD interface pins needed
5
6void setup() {
7  lcd.begin(16,  2); //Setup the LCD's columns and rows:
8  lcd.print("Hello World !"); //Print  "Hello World" to the 16x2 LCD
9}
10
11void loop() {
12}
13

#include <LiquidCrystal.h> // include the LCD library

const int  rs = 12, en = 11, d4 = 5, d5 = 4, d6 = 3, d7 = 2; // where the LCD Interface pins  are Conneceted to the arduino pins
LiquidCrystal lcd(rs, en, d4, d5, d6, d7);  // initialize the LCD interface pins needed

void setup() {
  lcd.begin(16,  2); //Setup the LCD's columns and rows:
  lcd.print("Hello World !"); //Print  "Hello World" to the 16x2 LCD
}

void loop() {
}

Downloadable files

where to connect the pins of the lcd.txt

connect the pins of the lcd to the arduino using the file

where to connect the pins of the lcd.txt

connect the pins of the lcd to the arduino using the file

where to connect the pins of the lcd.txt

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