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Title: digital code lock with lcd and keypad using atmega16
Page Link: digital code lock with lcd and keypad using atmega16 -
Posted By: netbug
Created at: Thursday 17th of August 2017 06:49:36 AM
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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

if you again feel trouble on digital code lock with lcd and keypad using atmega16 please reply in that page and ask specific fields in digital code lock with lcd and keypad using atmega16 ....etc

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Title: digital code lock using at89c2051 password based
Page Link: digital code lock using at89c2051 password based -
Posted By: malikrahman
Created at: Thursday 17th of August 2017 08:03:35 AM
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sir ,please send me full report on digital code lock using at89c2051 microcontroller, and give explanation about this project and components ....etc

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Title: Combination Lock with LCD and Keypad using pic16f628A
Page Link: Combination Lock with LCD and Keypad using pic16f628A -
Posted By: mahendra
Created at: Thursday 05th of October 2017 04:34:48 AM
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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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Title: chapter 12 lcd and keypad interfacing with 8051 ppt
Page Link: chapter 12 lcd and keypad interfacing with 8051 ppt -
Posted By: sudipta.jena
Created at: Thursday 17th of August 2017 06:50:05 AM
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ppt for keyboard interfacing with 8051
ppt for keyboard interfacing with 8051 ....etc

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Title: Digital Code lock with keypad and lcd using AT89c2051
Page Link: Digital Code lock with keypad and lcd using AT89c2051 -
Posted By: yamsh
Created at: Friday 06th of October 2017 03:06:02 PM
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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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Title: microcontroller at89c2051 based four digit code lock with lcd display
Page Link: microcontroller at89c2051 based four digit code lock with lcd display -
Posted By: cuteanki
Created at: Thursday 05th of October 2017 03:26:00 AM
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how swtiches can be used to enter a password and then encrypt it? ....etc

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Title: 68hc11 project digital lock with keypad
Page Link: 68hc11 project digital lock with keypad -
Posted By: debjyoti.nitdgp
Created at: Thursday 17th of August 2017 08:03:35 AM
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To get full information or details of digital lock with keypad please have a look on the pages

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

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

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

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Title: Digital Code Lock with LCD and Keypad using AT89C2051
Page Link: Digital Code Lock with LCD and Keypad using AT89C2051 -
Posted By: ramu
Created at: Friday 06th of October 2017 02:43:34 PM
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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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Title: ppt digital code lock with lcd and keypad using at89c2051 ppt
Page Link: ppt digital code lock with lcd and keypad using at89c2051 ppt -
Posted By: riyaz ahmed
Created at: Thursday 17th of August 2017 08:35:58 AM
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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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Title: lcd and keypad interfacing code for pic 18f452
Page Link: lcd and keypad interfacing code for pic 18f452 -
Posted By: SAURAV
Created at: Thursday 17th of August 2017 08:23:30 AM
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Abstract

A keypad consists of 3 columns and 4 rows, hence the name, whenever the user taps one button, the column and the row corresponding to that button are shorted, for example, if a user chooses to tap the 5 button, col2 and row2 are shorted, if a users picks 0 button, col2 and row4 are shorted, and so on.

So how do you read a keypad using a Microcontroller?
the method used to read such input is called Scanning, you connect the rows and the columns to the microcontroller, you set the columns as outputs, rows as inputs (or vice versa) ....etc

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