   for (int i = 0; i < uid.size; i++) {
     path += String(uid.uidByte[i], DEC);
     if (i == 0)
-      path += " / ";
+      path += "/";
     else
       path += ".";
   };

    to the existing setup late 2017.
*/

// Wired ethernet.
//
#define ETH_PHY_ADDR      1

    SPIFFS.mkdir(String(i));

  Serial.println("Directory structure created.");
  listDir(SPIFFS, "/", "");
  caching = true;
};

