Make Your Own Password Locker

A password locker usually has an electromagnetic lock that opens only when the correct password is entered. The circuit presented here for such a locker is a simple, low-cost, hi-security six-digit password-operated system. ATtiny2313 microcontroller (MCU) used in the circuit is easily available and programmable using any AVR programmer. The circuit diagram of the password […]

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Electronics, Electrical

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