Moving object

#include <Servo.h>
#define led 11
#define led 12
//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()
{
 myservo.attach(8); 
 pinMode(11,OUTPUT);
 pinMode(12,OUTPUT);
 digitalWrite(11,HIGH);
 delay(500);
 digitalWrite(12,HIGH);
 delay(500);// ensures output to servo on pin 8
}
void loop() 
{ 
 val = analogRead(1);            // reads the value of the potentiometer from A1 (value between 0 and 1023) 
 val = map(val, 0, 1023, 0, 180);     // 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  
}