int potpin = 0;  // analog pin used to connect the potentiometer
int val;    // variable to read the value from the analog pin
int pin=5;
void setup() {
    // attaches the servo on pin 9 to the servo object
    pinMode(pin, OUTPUT);
    Serial.begin(9600);
}

void loop() {
  val = analogRead(potpin);            // reads the value of the potentiometer (value between 0 and 1023)
  val = map(val, 0, 1023, 0, 5); 
  Serial.println(val);
  digitalWrite(pin,val);                  // sets the servo position according to the scaled value
  delay(15);                           // waits for the servo to get there
}