void setup() {
  // put your setup code here, to run once:
   volatile char *dir;
    dir = 0x30;
    *dir = 0xFF;

   volatile char *dir_K;
   dir_K = 0X107;
   dir_K = 0xFF;
}

void loop() {
  // put your main code here, to run repeatedly:
  volatile char *out;
  out = 0x31;
  *out = 0x5B;

  volatile char *out_K;
  out_K = 0x108;
  *out_K = 0x6D;
}