int ledPin = 13;                // choose the pin for the LED 
int inputPin = 8;               // choose the input pin (for PIR sensor) 
int analogPin = A0;

int pirState = LOW;             // we start, assuming no motion detected 
int val = 0;                    // variable for reading the pin status 
int sensorValue;

void setup() { 

  pinMode(ledPin, OUTPUT);      // declare LED as output 
  pinMode(inputPin, INPUT);     // declare sensor as input 
  pinMode(analogPin, INPUT);     // declare sensor as input 

  Serial.begin(9600); 

} 

void loop(){ 

  val = digitalRead(inputPin);  // read input value 

  sensorValue = analogRead(analogPin);

  Serial.println(sensorValue); 

  if (val == HIGH) {            // check if the input is HIGH 

    // vochtigheid laag
    digitalWrite(ledPin, HIGH);  // turn LED ON 
    Serial.println("high!"); 

  } else 
  { 
    // vochtigheid hoog
    digitalWrite(ledPin, LOW); // turn LED OFF 
    Serial.println("low!"); 


  } 


  delay(500);

}