#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 16, 2);
int vr = 32;
int vrvalue;
int led1 = 25;
int led2 = 26;
int led3 = 27;
int led4 = 14;

void setup() {
  lcd.init();
  lcd.backlight();
pinMode(led1, OUTPUT);
pinMode(led2, OUTPUT);
pinMode(led3, OUTPUT);
pinMode(led4, OUTPUT);
 
  lcd.setCursor(2,0);
  lcd.print("VR value");
delay(2000);
lcd.clear ();
}
void loop(){
 
vrvalue = analogRead(vr);
lcd.setCursor(3,0);
  lcd.print("vrvalue =");
lcd.setCursor(8,0);
  lcd.print(vrvalue);
lcd.setCursor(14,0);
  lcd.print("ms");



if (vrvalue<=1000){ 
  digitalWrite(led1,1);
digitalWrite(led2,0);
digitalWrite(led3,0);
digitalWrite(led4,0);

lcd.setCursor(6,1);
  lcd.print("Red");
   delay(500);
   lcd.clear ();
 }
  else if(vrvalue>=1001&&vrvalue<=2000) { 
digitalWrite(led1,0);
digitalWrite(led2,1);
digitalWrite(led3,0);
digitalWrite(led4,0);

  lcd.setCursor(7,1);
  lcd.print("Yellow");
   delay(500);
   lcd.clear ();
}
 else if(vrvalue>=2001&&vrvalue<=3000) { 
digitalWrite(led1,0);
digitalWrite(led2,0);
digitalWrite(led3,1);
digitalWrite(led4,0);

  lcd.setCursor(6,1);
  lcd.print("Orange");
  delay(500);
   lcd.clear ();
}

 else if(vrvalue>3000) { 
digitalWrite(led1,0);
digitalWrite(led2,0);
digitalWrite(led3,0);
digitalWrite(led4,1);

  lcd.setCursor(6,1);
  lcd.print("Pink");
   delay(500);
   lcd.clear ();

}
}