Jan 25, 2016 · In this project, we have explained a simple Electronic code lock using 8051 Microcontorller, which can only be unlocked by a predefined code, if we enter the wrong code, …

Jan 1, 2018 · One such project is the Circuit Diagram for Electronic Code Lock Using 8051. This project enables users to construct a code locking device that can be used to secure any item …

Mar 22, 2024 · Here is an electronic security code based door locking system circuit diagram, working and applications. In this circuit, we use 8051 microcontroller.

Making Electronic Code Lock Using 8051 Microcontroller: An Electronic Code Lock is a device which has an electronic control assembly attached to it. They are provided with an access …

Aug 4, 2010 · This article describes the making of an electronic code lock using the 8051 microcontroller. A 4×3 matrix keypad and a 16×2 LCD have been used here. Keypad and LCD …

This system allows the user to unlock the device with a password. The password is entered by making use of a keypad. The user can also set his password to ensure better protection.

In this proposed system, we have discussed a simple Digital code lock using LCD and 8051 Microcontroller, which can only be not closed by a predefined code, if we enter the incorrect …

Aug 30, 2012 · This is a simple example of electronic code lock based on 8051 microcontroller. This example project also describes how can we interface 16×2 LCD and keypad. Simple …

Microcontroller based Digital Code Lock opens door-latch for a correct password. Users can change their password. The relay, Motor & Buzzer are output devices.

Sep 27, 2019 · In this article, we will make an electronic digital lock using the 4×3 keypad and 8051 microcontroller, basically, an electronic lock is password protected lock and it is an …