#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27, 20, 4);

void setup() {
  // put your setup code here, to run once:
  lcd.init();
  lcd.backlight();

}

void loop() {
  // put your main code here, to run repeatedly:
  int vr_val = analogRead(A2);
  float vr_volt = (float)vr_val*(5.0/1023.0);//map((float)vr_val,0.0,1023.0,0.0,5.0);
  lcd.setCursor(0, 0);
  lcd.print("VR VOLTAGE");
  lcd.setCursor(0, 1);
  lcd.print(vr_volt);
  lcd.setCursor(10,1);
  lcd.print("Volt");
  
  delay(1000);

}