#include <Servo.h> //accesses the Arduino Servo Library

Servo myservo;  // creates servo object to control a servo

int val;    // variable to read the value from the analog pin

void setup() {
  // put your setup code here, to run once:
  myservo.attach(9);  // ensures output to servo on pin 9

}

void loop() {
  // put your main code here, to run repeatedly:
  val = analogRead(1);            // reads the value of the potentiometer from A1 (value between 0 and 1023) 
  val = map(val, 0, 1023, 0, 320);     // converts reading from potentiometer to an output value in degrees of rotation that the servo can understand 
  myservo.write(val);                  // sets the servo position according to the input from the potentiometer 
  delay(15);                           // waits 15ms for the servo to get to set position  

}