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hi,
can any1 help me out
hi,
i can giv u a code whch i hav done for checking the password, but i hav done it using keyboard. i hav used I2c protocol for interfacing external eeprom ic for storing the password. I hav displayed the output on a 16×2 lcd.
If u want, i can giv u my code.
hi,
u can go for a P89v51rd2, it is havng a 64kb rom, u can also interface an external EEPROM IC to it using I2C protocol.