Saturday, May 18, 2013

Change UserID and Password using 8051

Here is the one example showing how to change Predefined "UserID" and "Password" manually by user. If we want to change userID or password, it will take  inputs from the keypad two times for confirmation. If the two inputs are matched then one of them will be assigned to the predefined one , otherwise it will display "not matched" inputs and jumps to main menu. The following flow chart describes how it works

to see the output 
  to download the code
                It is showing initial user ID and Password when the power is ON.

It is showing new UserID and Password when the user changed successfully 

                                

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