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

LiquidCrystal_I2C lcd(0x27, 16, 2);

int potPinA0 = A0;
int potPinA1 = A1;
int potPinA2 = A2;
int ledPin = 13;
int potValueA0 = 0;
int potValueA1 = 0;
int potValueA2 = 0;
int mappedValueA0 = 0;
int mappedValueA1 = 0;
int mappedValueA2 = 0;

void setup() {
  lcd.init();                     
  lcd.backlight();

  pinMode(ledPin, OUTPUT);
}

void loop() {
  potValueA0 = analogRead(potPinA0);
  potValueA1 = analogRead(potPinA1);
  potValueA2 = analogRead(potPinA2);

  mappedValueA0 = map(potValueA0, 0, 1023, 0, 9);
  mappedValueA1 = map(potValueA1, 0, 1023, 0, 9);
  mappedValueA2 = map(potValueA2, 0, 1023, 0, 9);

  lcd.setCursor(0, 0);
  lcd.print("A0: ");
  lcd.print(mappedValueA0);

  lcd.setCursor(6, 0);
  lcd.print("A1: ");
  lcd.print(mappedValueA1);

  lcd.setCursor(12, 0);
  lcd.print("A2: ");
  lcd.print(mappedValueA2);

  if(mappedValueA0 == 6 && mappedValueA1 == 6 && mappedValueA2 == 6){
    digitalWrite(ledPin, HIGH);
  } else {
    digitalWrite(ledPin, LOW);
  }

  delay(1000);
}