#include <Servo.h>
Servo servo1;

int x_key = A1;                                               
int y_key = A0;                                               
int x_pos;
int y_pos;
int servo1_pin = 9;

int initial_position = 90;
int initial_position1 = 90;

void setup ( ) {
Serial.begin (9600) ;
servo1.attach (servo1_pin ) ; 
 
servo1.write (initial_position);

pinMode (x_key, INPUT) ;                     
pinMode (y_key, INPUT) ;                      
}

void loop ( ) 
{
x_pos = analogRead (x_key) ;  
y_pos = analogRead (y_key) ;                      

if (x_pos < 300){
if (initial_position < 10) 
{ } 
else 
{ 
  initial_position = initial_position - 20; 
  servo1.write ( initial_position ) ; 
  delay (100) ; } } 
  if (x_pos > 700)
  {
    if (initial_position > 89)
    { }  
else {
initial_position = initial_position + 20;
servo1.write ( initial_position ) ;
delay (100) ;
}
}


 
   

}