#include<Wire.h>
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27,16,2);  // set the LCD address to 0x3F for a 16 chars and 2 line display
int seconds = 0;
void setup() {
  lcd.init();
  lcd.clear();         
  lcd.backlight(); 
  lcd.print("Start");     // Make sure backlight is on
  
  // Print a message on both lines of the LCD.
 
}

void loop() {
 lcd.setCursor(0, 1);
  lcd.print(seconds);
 lcd.setBacklight(1);
 delay(500); // Wait for 500 millisecond(s)
 lcd.setBacklight(0);
  delay(500); // Wait for 500 millisecond(s)
  seconds += 1;
  
}