#include <Servo.h>           //include servo library

Servo servo1;                // creating servo object
Servo servo2;
int joystick_x = A0;              // joystick x direction pin                                          
int joystick_y = A1;              // joystick y direction pin                                         
int pos_x;                   // declaring variable to stroe horizontal value
int pos_y;                   // declaring variable to stroe vertical value
int servo1_pos=90;          // storing servo position
int servo2_pos=90;

void setup ( ) 
{
Serial.begin (9600) ;
servo1.attach (9) ;          // servo 1 attached pin
servo2.attach (8) ;          // servo 1 attached pin
servo1.write (servo1_pos);           
servo2.write (servo2_pos);
pinMode (joystick_x, INPUT) ;                     
pinMode (joystick_y, INPUT) ;                      
}

void loop ( ) 
{
pos_x = analogRead (joystick_x) ;  
pos_y = analogRead (joystick_y) ;                      

if (pos_x < 300)            //if the horizontal value from joystick is less than 300
{
  if (servo1_pos < 10)      //first servo moves right
  { 
  } 
  else
  { 
    servo1_pos = servo1_pos - 20; 
    servo1.write ( servo1_pos ) ; 
    delay (100); 
  } 
} 
if (pos_x > 700)
{
  if (servo1_pos > 180)
  {  
  }  
  else
  {
  servo1_pos = servo1_pos + 20;
  servo1.write ( servo1_pos ) ;
  delay (100) ;
  }
}

if (pos_y < 300)      //if the vertical value from joystick is less than 300
{
  if (servo2_pos < 10)  //second servo moves right
  { 
  } 
  else
  { 
    servo2_pos = servo2_pos - 20; 
    servo2.write ( servo2_pos ); 
    delay (100); 
  } 
} 
if (pos_y > 700)
{
  if (servo2_pos > 180)
  {  
  }        
  else
  {
  servo2_pos = servo2_pos + 20;
  servo2.write(servo2_pos) ;
  delay (100) ;
  }
}
}