float temperatura;
unsigned long czas;

void setup() {
  pinMode(A0, INPUT);
  Serial.begin(9600);  
}

void loop() {
  // put your main code here, to run repeatedly:
  czas = millis();

  temperatura = (float)analogRead(A0) / 9.31;

  Serial.print(czas/1000);
  Serial.print(" ");
  Serial.print(temperatura);
  Serial.print("\n");

  delay(2000);
}