For security reason sometime we need password locking controller. In This article we developed a password locker. Since password is nothing but a character of string. So we need to control string function carefully. Let’s begin our journey with string handling. strcat() and strncat()             The strcat() or strncat() function join two strings together.                         […]

EEPROM stands for electrically erasable read only memory. It is a non volatile memory means that it will store the last data if any power failure. Suppose we want to count the number of visitors in a shop. If a power failure occurs then all data will be erased. In that case we can store

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