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

int vr=A0;
int vvr;

int l1=9;
int l2=8;

void setup() {
Serial.begin(9600);
 pinMode(l1, OUTPUT);
 pinMode(l2, OUTPUT);

  lcd.init();
  lcd.backlight();
  lcd.setCursor(1,0);
  lcd.print("HELLO WORLD <3");
  delay(2000);
  lcd.clear();

}

void loop() {
 vvr=analogRead(vr);
 Serial.println(vvr);

  lcd.setCursor(0,0);
  lcd.print("VRvalue =");
  lcd.setCursor(10,0);
  lcd.println(vvr);

if(vvr<=500) {
digitalWrite(l1, HIGH);
digitalWrite(l2, LOW);

  lcd.setCursor(0,1);
  lcd.println("LED RED");
}

if(vvr>500) {
digitalWrite(l1, LOW);
digitalWrite(l2, HIGH);

  lcd.setCursor(0,1);
  lcd.println("LED GREEN");
}

}