4x3 keypad driver - Rickey's World of Microcontrollers & Microprocessors

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... Read Compelte post

Other Tags: AT89C2051 Projects 4x3 Keypad driver LCD 4-bit AT89C2051 based Digital code lock

Posted on Wed Aug 29 2007, 05:30 pm

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