Hello World on LCD Display Using Arduino

Hello friend welcome to “Techno-E-Solution” in this article we are going to learn how to connect LCD display with Arduino Uno and print "Hello World!" on LCD using Arduino Uno. The 16x2 LCD is most popular LCD in electronics projects. In upcoming project we need this display in our project so it's the beginners level tutorial learn this tutorial with fun. So friends let's get started..........

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To Make this project we need some components, I provide Best Buy Link of products :-

1. Arduino Uno X 1
2. LCD (16x2) X 1
3. Jumper wires X 1nos
4. 10k/5k Pot X 1

Follow the circuit diagram for making connection. I make this circuit in Easy EDA software.

Follow the Circuit Connection :-

• LCD RS pin to digital pin 12
• LCD Enable pin to digital pin 11
• LCD D4 pin to digital pin 6
• LCD D5 pin to digital pin 5
• LCD D6 pin to digital pin 4
• LCD D7 pin to digital pin 3
• LCD R/W pin to ground
• LCD VSS pin to ground
• LCD VCC pin to 5V

Connect 10K variable resistor (POT) :-

• First to +5V and ground
• Second to LCD VO pin (pin 3)
• Last to GND

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Simply Copy the following code & upload in your Arduino IDE software.

/*
  Hello friends welcome to "TECHNO-E-SOLUTION"
  Here, is a code to print "Hello World" on LCD using Arduino
  This code helps you to print "YOUR TEXT" on LCD display
*/

#include <LiquidCrystal.h>

const int rs = 12, en = 11, d4 = 6, d5 = 5, d6 = 4, d7 = 3;
LiquidCrystal lcd(rs, en, d4, d5, d6, d7);

void setup() {
  
  lcd.begin(16, 2);  // set up the LCD's number of columns and rows:
  
  lcd.print("Hello World!");  // Print a text to the LCD.
}

void loop() {
  
  // set the cursor to column 0, line 1
  // (note: line 1 is the second row, since counting begins with 0):
  lcd.setCursor(0, 1);
  // print the number of seconds since reset:
  lcd.print(millis() / 1000);
}

[Note :- you can change the Hello World text by simply changing
lcd.print("Hello World!"); to

lcd.print("Your Text"); ]

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