ghonimo / digital-keyless-door-lock-system-design

A digital keyless door lock system designed for enhanced security and convenience, featuring pin code access, LCD display messages, and a guess-proof mechanism. Ideal for homeowners and Airbnb hosts seeking a reliable and affordable security solution.

SecurePin-KeylessLock

Project Overview

The SecurePin-KeylessLock is a state-of-the-art digital door lock system developed by Team #5 at PSU, offering a secure and convenient way to manage access to your home or rental property. Designed from scratch, it features a keypad for pin entry, an LCD display for feedback, and a security mechanism to prevent unauthorized access.

Features

• Pin Code Access: Allows users to set and enter a pin code for secure entry.
• LCD Feedback: Displays the pin as it's entered and shows messages like "welcome home" or "wrong code".
• Guess-Proof Security: Locks out after multiple incorrect attempts and can trigger an alarm.
• Affordable and Reliable: Aimed at providing a cost-effective solution without compromising on quality.

Target Audience

• Homeowners
• Condo Owners
• Airbnb and CouchSurfing hosts

Requirements

• Input sensors and output transducers
• Microcontroller for processing (ATMega328P)
• Safe, hand-solderable components
• Two-layer PCB design

Possible Enhancements

• Battery backup
• Alarm/buzzer after failed attempts

Development Environment

• Arduino IDE
• Arduino firmware
• PCB design in KiCAD

Team Members

• Mohamed Ghonim
• Ibrahim Binmahfood
• Joshua Hobby
• Mohamed Ashkanani

Block Diagram

Schematics

PCB Layout

Prototype

Assembly Process

Testing Phase