int sensorPin = 2;
int sensorValue = 0;

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

void loop() {
  sensorValue = analogRead(sensorPin);
  if (sensorValue < 2000) {
    Serial.println("North");
  }
  else if (sensorValue > 2500) {
    Serial.println("South");
  }
  else {
    Serial.println("None");
  }
  delay(100);
}