// C++
//
int LED_lila=13; // LED an ort 13
int LED_blau=12;
int LED_gruen=11;
int ANALOG_in=0;
 








void setup() 
{
  // put your setup code here, to run once:
pinMode(LED_lila, OUTPUT); 
pinMode(LED_blau, OUTPUT);
pinMode(LED_gruen, OUTPUT);
analogReference(DEFAULT);
}

void loop()
 {

    int messwert = analogRead(ANALOG_in);
    if (messwert < 153) {
        digitalWrite(LED_lila, LOW);
        digitalWrite(LED_blau, LOW);
        digitalWrite(LED_gruen, LOW);
    }

    if (messwert > 153 && messwert < 307) {
        digitalWrite(LED_lila, HIGH);
        digitalWrite(LED_blau, LOW);
        digitalWrite(LED_gruen, LOW);
    }
    else if (messwert > 307 && messwert < 450) {
        digitalWrite(LED_lila, HIGH);
        digitalWrite(LED_blau, HIGH);
        digitalWrite(LED_gruen, LOW);
    }   
    else if (messwert > 450) {
        digitalWrite(LED_lila, HIGH);
        digitalWrite(LED_blau, HIGH);
        digitalWrite(LED_gruen, HIGH);
    }
    Serial.println(messwert);
    Serial.println();
    delay(1000);
}