#define LED_270 10

double Temperatur_Normiert;

void setup() {
  // put your main code here, to run repeatedly:
pinMode(LED_270, OUTPUT);
Serial.begin(9600);
}
void loop(){
  // put your main code here, to run repeatedly:


  Temperatur_Normiert = (analogRead(A1)*500.0)/1023.0;
  

  if(Temperatur_Normiert > 250)
  digitalWrite(LED_270, HIGH);
  else 
  digitalWrite(LED_270, LOW);

// Serial:println(analogRead(A1));
Serial.println("_Temperatur_Normiert : "); Serial.print(Temperatur_Normiert);
delay(3000);
}