To get full information or details of electronic digital combination lock please have a look on the pages

http://seminarsprojects.net/Thread-combination-lock-with-lcd-and-keypad-using-pic16f628a

if you again feel trouble on electronic digital combination lock please reply in that page and ask specific fields in electronic digital combination lock ....etc

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To get full information or details of pic16f628a projects and lcd please have a look on the pages

http://seminarsprojects.net/Thread-combination-lock-with-lcd-and-keypad-using-pic16f628a

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Combination Lock with LCD and Keypad using pic16f628A:

A Brief Description:

This project is written in C language. The basic user lock is of 2 Digits.
The input is taken from a 4x3 Keypad (please see the schematic for more information) and Display the user input on a 2x16 LCD. A pin is assigned as output for activating and deactivating the lock. For demonstration I have connected an LED to that pin.


How combination lock works:

1. Turn switch on (5V DC voltage power supply)
2. A message name ....etc

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To get full information or details of digital code lock with lcd and keypad using atmega16 please have a look on the pages

http://seminarsprojects.net/Thread-digital-code-lock-full-report

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please go through the following threads for more details on Digital Code lock with keypad and lcd using AT89c2051

http://seminarsprojects.net/Thread-digital-code-lock-with-lcd-and-keypad-using-at89c2051
http://seminarsprojects.net/Thread-digital-code-lock-full-report ....etc

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To get full information or details of digital code lock with lcd and keypad using at89c2051 please have a look on the pages

http://seminarsprojects.net/Thread-digital-code-lock-with-lcd-and-keypad-using-at89c2051

http://seminarsprojects.net/Thread-ppt-digital-code-lock-with-lcd-and-keypad-using-at89c2051-ppt--41343?pid=87732&mode=threaded

if you again feel trouble on digital code lock with lcd and keypad using at89c2051 please reply in that page and ask specific fields in digital code lock with lcd and keypad using at89c2051 ....etc

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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.The input is taken from a 4x3 Keypad (please see the schematic for more information) and Display the user input on a 2x16 LCD. A pin is assigned as output for activating and deactivating the lock. For demonstration i have connected an LED to that pin.

referanc ....etc

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to get information about the topic electronic digital combination lock mini project using ic 4017 full report ppt and related topic refer the page link bellow

http://seminarsprojects.net/Thread-combination-lock-with-lcd-and-keypad-using-pic16f628a

http://seminarsprojects.net/Thread-new-digital-electronics-projects-ideas-for-engg-students ....etc

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Electronic Combination Lock using IC LS 7220



Electronic Combination Lock Circuit

Description
This is the circuit diagram of a simple electronic combination lock using IC LS 7220.This circuit can
be used to activate a relay for controlling (on & off) any device when a preset combination of 4 digits
are pressed.The circuit can be operated from 5V to 12V.
To set the combination connect the appropriate switches to pin 3,4,5 and 6 of the IC through the
header.As an example if S1 is connected to pin ....etc

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i have very big problem to interfacing key pad with at89s52 with lcd. how is the asm code for this. i want to use keypad as when i press any key it should show on lcd.

if you will help me i will always greatful to you.
thanks
[email protected] ....etc

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