Quadrotor

/*

 * EEPROM Write

 *

 * Stores values read from analog input 0 into the EEPROM.

 * These values will stay in the EEPROM when the board is

 * turned off and may be retrieved later by another sketch.

 */

#include <EEPROM.h>

// the current address in the EEPROM (i.e. which byte

// we're going to write to next)

int addr = 0;

void setup()

{

}

void loop()

{

  // need to divide by 4 because analog inputs range from

  // 0 to 1023 and each byte of the EEPROM can only hold a

  // value from 0 to 255.

  int val = analogRead(0) / 4;

  // write the value to the appropriate byte of the EEPROM.

  // these values will remain there when the board is

  // turned off.

  EEPROM.write(addr, val);

  // advance to the next address.  there are 512 bytes in 

  // the EEPROM, so go back to 0 when we hit 512.

  addr = addr + 1;

  if (addr == 512)

    addr = 0;

  delay(100);

}