gistfile1.h

#include <Servo.h> 

Servo my_servo;  // create servo object to control a servo 

int servo_angle = 0;
int sensor_pin = 2;    
int servo_pin = 9;

int scan_values[180];

void setup()
{
  Serial.begin( 9600 ); 
  my_servo.attach( servo_pin );  // attaches the servo on pin 9 to the servo object 
}

void loop()
{
  for( int i = 0; i < 180; i++ ) {   
    my_servo.write( i );
    scan_values[i] = sensor_read();    
    
    delay( 5 );
  }

  my_servo.write( degree_of_max_reading( scan_values ) );

  delay( 2000 );
}

int sensor_read() {
  int total_samples = 5;
  
  int sum = 0;
  for( int i = 0; i < total_samples; i++ ) {
    sum += analogRead( sensor_pin );
  }
  
  return sum/5;
}

int degree_of_max_reading( int values[] ) {
  int my_max = 0;
  int angle = 0;
  
    for( int i = 0; i < 180; i++ ) {
      if ( values[i] > my_max ) {
        my_max = values[i];
        angle = i; 
      }
    }
    
  return angle;
}