Write some user data on File System worth:

• 100 seperate "userfile"
• random 4 Bytes long UID and
• "Test Name Test Surname Label" as User Name and
• each have access status integer "1" or "0".

Total 4,284 Bytes

At least 100 unique User (RFID Tag) can be handled, the test were performed on WeMos D1 mini.