#include <Servo.h>
Servo servo1;
Servo servo2;
int Hor = A1;                                               
int Ver = A0;                                               
int Hor_pos;
int Ver_pos;
int servo1_pin = 9;
int servo2_pin = 10;  
int position1 = 90;
int position2 = 90;

void setup() 
{
Serial.begin (9600);
servo1.attach (servo1_pin); 
servo2.attach (servo2_pin); 
servo1.write (position1);
servo2.write (position2);
pinMode (Hor,INPUT);                     
pinMode (Ver,INPUT);                      
}

void loop() 
{
Hor_pos = analogRead(Hor);  
Ver_pos = analogRead(Ver);                      

if (Hor_pos < 300)
{
  if (position1 < 10) 
  { } 
  else 
  { 
  position1 = position1 - 20; 
  servo1.write (position1) ; 
  delay (100) ; 
  } 
} 

if (Hor_pos > 700)
{
  if (position1 > 180)
  { }  
  else 
  {
  position1 = position1 + 20;
  servo1.write (position1);
  delay (100);
  }
}

if (Ver_pos < 300)
{
  if (position2 < 10) 
  { } 
  else
  { 
  position2 = position2 - 20; 
  servo2.write (position2) ; 
  delay (100) ; 
  } 
} 

if (Ver_pos > 700)
{
  if (position2 > 180)
  { }         
  else
  {
  position2 = position2 + 20;
  servo2.write (position2) ;
  delay (100) ;
  }
}
}