How to use 16x2 LCD with arduino

Introduction

In this tutorial, you will learn how to use a 16x2 LCD display with the Arduino Uno step by step. This guide covers wiring connections, required libraries, and example code to display text on the LCD. Perfect for beginners who want to learn Arduino display projects easily.

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Circuit Diagram

🛠️ What You Need

To build this project, you will use:

✔ 16x2 LCD Display

✔ Arduino UNO
✔ Breadboard

✔ Jumper wires
✔ 103 Potentiometer

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CODE

#include <LiquidCrystal.h>

LiquidCrystal lcd(7,8,9,10,11,12);

void setup() {
  lcd.begin(16,2);
  lcd.setCursor(3,0);
  lcd.print("Hello");
  delay(1000);
}

void loop() {
  lcd.setCursor(0,0);
  lcd.print("CHETHANA");
  lcd.setCursor(0,1);
  lcd.print("VISHMIKA");
}

⚠️Troubleshooting Common Issues 

If your 16x2 LCD is not working correctly, this page will help you fix common problems such as blank screen, wrong wiring, contrast issues, and library errors. Follow these simple troubleshooting steps to make your Arduino LCD project work properly.

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