In this short tutorial I will explain how you can create create cursor in 16x2 Matrix LCD.

There are actually two ways of creating this.

First way of using simple delay function.

#include <Wire.h> 
#include <LiquidCrystal_I2C.h>


LiquidCrystal_I2C lcd(0x27,16,2);  // set the LCD address to 0x27

void setup(){
  lcd.init(); // initialize the lcd
  lcd.backlight();// turn on the backlight
}

void loop(){
  	updateScreen();
}	

void updateScreen() {
 lcd.cursor();
 delay (1000);
 lcd.noCursor();
 delay (1000);
}

Second way is using, millis() function which calculates the how many seconds are passed since the program started.

#include <Wire.h> 
#include <LiquidCrystal_I2C.h>


LiquidCrystal_I2C lcd(0x27,16,2);  // set the LCD address to 0x27 for a 16 chars and 2 line display

void setup(){
  lcd.init(); // initialize the lcd
  lcd.backlight();
}

void loop(){
  	updateScreen();
}	

void updateScreen() {
  if (millis() / 500 % 2 == 0 ) {
    	lcd.cursor();
  } else {
     lcd.noCursor();
  }
}

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