#include <Servo.h>    //Include library to work with Servo motor
Servo myServo;       

//Define a variable to store the values of joystick in horizontal direction
const int X_pin = A0;   //To read value in x-direction from joystick
const int Y_pin = A1;   //To read value in y-direction from joystick
int position = 0;        // Store value for Servo position. 


void setup() 
{    
  pinMode(X_pin, INPUT); //Set SW_pin for input mode
  Serial.begin(9600);    //Open serial port at 9600 baud
  myServo.attach(9);    //Attach the Servo on pin 9 to the Servo object
}

void loop() 
{
  //Read in 10-bit analog value (0 to 1023) from joystick
  position = analogRead(X_pin);  //position variable will convert to degrees

  //Use map() to convert values to degrees (0 to 180) for Servo motor
  position = map(position, 0, 1023, 0, 180);

  //Use the converted value to move the Servo
  myServo.write(position);   //Move to a position specified by value (0 to 180)
  delay(10);              //Then wait 15ms
}//loop