#include <Servo.h>

//Define the pins used for input and output
const int AnPin = A0;
const int WiperPin = 7;

//Define the constants used
const int WetnessLimit = 50;

//Create servo object to control a servo
Servo Wiper;  

//Define the variables used
int SensorReading;
int Wetness;
int WiperTimer;

void setup() {
  Wiper.attach(WiperPin);
  //Start serial communication
  Serial.begin(9600);
}
void loop() {
  //Read the sensors output
	SensorReading = analogRead(AnPin);
	Wetness = map(SensorReading, 0, 1024, 100, 0);
  
  //Print the value to the computer
  Serial.println(Wetness);

  if (Wetness >= WetnessLimit) {
    Wiper.write(180);
    delay(500);
    Wiper.write(0);
    delay(1000);
    exit(0);
  }
  else (Wetness <= WetnessLimit); {
    Wiper.write(0);
  }
  //Add a delay bewteen readings.
  delay(1000);
}