#include<LiquidCrystal.h>
LiquidCrystal lcd(2, 3, 4, 5, 6, 7); //(RS, E, D4, D5, D6, D7)
int ar = 0, v = 0, t = 0;
char y = 223;
void setup() {
  lcd.begin(16, 2);
}

void loop() {
  ar = analogRead(A0);
  delay(100);
  // how to convert analog to digital see here: https://pijaeducation.com/adc-in-arduino/
  v = ar * 4.887;
  t = v / 10;

  lcd.setCursor(0, 0);
  lcd.print("AR:");
  lcd.println(ar);

  lcd.setCursor(8, 0);
  lcd.print("mV:");
  lcd.println(v);

  lcd.setCursor(0, 1);
  lcd.print("Temperature:");
  lcd.print(t);
  lcd.print(y);

  delay(1000);
  lcd.clear();
}