How to use LCD1602 With Arduino Uno R3

Sample Code

#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 16, 2);


void setup() {
  Serial.begin(9200);
  lcd.begin();
  lcd.backlight();
}

void loop() {
  lcd.setCursor(0, 0);
  lcd.print("Welcome to");
  lcd.print("  ");

  lcd.setCursor(0, 1);
  lcd.print("ElectroScience");

  delay(200);
}