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AT89C2051 based Digital code lock

Digital Code Lock with LCD and Keypad
Digital Code Lock with LCD and Keypad using AT89C2051

A Brief Description:
This project is written in C language. Its a simple project with efficient hacking prevention from Brute Force etc. The basic user lock is of 5 Digits and Master Lock is of 10 digits so its not easy for an intruder to break the lock unless you keep the code simple. User has maximum of 3 retries.. if fails then Master Locks ha...[more]
AT89C2051 Projects   4x3 Keypad driver   LCD 4-bit   AT89C2051 based Digital code lock   
Posted on Wednesday 29 August 2007 - 05:00:51



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8051 Microcontroller Projects 8051 AVR tutorials PIC microcontroller, 8051 assembly language programming electronics and communication ECE CSE pdf ebooks library BE final year project ideas Embedded systems