[code]
#include <EEPROM.h>

String(mystring);
String(nummer);
int pirState = LOW, i;
char get_byte, chmystring[20];

void setup() {
  pinMode(4, OUTPUT);
  pinMode(3, OUTPUT);
  pinMode(2, INPUT);
  pinMode(1, OUTPUT);
  pinMode(0, OUTPUT);
                    digitalWrite(4, HIGH);
                    delay(2000);
                    digitalWrite(4, LOW);             
}
                    
void loop()  {
  i = 0;
  get_byte = EEPROM.read(0);
  while (get_byte != '\0' && i < 250)  {
    get_byte = EEPROM.read(i);
    chmystring[i] = get_byte;
    i++;
  }
  chmystring[i] = '\0';
  mystring = chmystring;
  if (mystring == "+436642")  {
                    digitalWrite(0, HIGH);
                    delay(200);
                    digitalWrite(0, LOW);
                    delay(200);
                    digitalWrite(0, HIGH);
                    delay(200);
                    digitalWrite(0, LOW);       
                    delay(200);
  }  
  pirState = digitalRead(2);
  if(pirState == HIGH)  {
    nummer = "+436642";
                    digitalWrite(1, HIGH);
                    delay(1000);
                    digitalWrite(1, LOW);
                    delay(1000);
                    digitalWrite(1, HIGH);
                    delay(1000);
                    digitalWrite(1, LOW);       
                    delay(1000);
    for (i = 0; i < nummer.length(); i++) {
      EEPROM.write(i, nummer[i]);
    }
    EEPROM.write(nummer.length(), '\0');
  }
}
[/code]