void setup() {
  Serial.begin(9600);
  Serial.println("Start !");
}
void inttobcd(const unsigned long bbb) {
  int8_t d(0);
  unsigned long t=bbb;
  while (t>10) {
    t=t/10;
    d++;
  }
  t=bbb;
  for (;t!=0;d--){
    unsigned long l=1; 
    for (int8_t i=0; i<d; i++) l=l*10;
    Serial.print(t/l);
    t=t%l;
  }
}
void loop() {
  unsigned long bbb=4294967295;
  inttobcd(bbb);
  while (1);
}