OTP based wireless system is the advanced version of key based locking system the problem with the earlier key based
locking system is that every time we need to carry a key to unlock the lock there is a high risk of losing a key if key is lost then we
have to break the locking system which also result in wastage of money and for old people it is difficult to open the key based
lock and there can only be one unique key for different lock you have different keys. Furthermore, carrying many keys also a
burden tasks the advanced version of key based locking system is OTP based wireless locking system.
