const int potPin = A0; //pin A0 to read analog input 
int value;

void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600); 
  pinMode (potPin, INPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  value = analogRead (potPin); //Read and save analog value from potentiometer
  Serial.print(value);
  Serial.println();
  delay(200);
}