Single

Client:

Appz4

Date:

2019 - 2021

Duration:

2 years

Cost:

11.000 USD

MaxReader Digital Reading Appstar

Technologies: Kotlin (Android), Bluetooth Low Energy (BLE), Mobile Development, Access Control Systems, Firebase, Data Security, API Integration


Project Overview

MaxReader is a Bluetooth-powered access control system that allows employees, hotel guests, and office visitors to unlock doors using their Android devices. The client required a secure, fast, and scalable solution that integrates with existing access management systems.


Challenges & Problems Solved

  • ✅ Secure Bluetooth Low Energy (BLE) Communication:
    • 🔹 Developed real-time door unlocking functionality using BLE
    • 🔹 Implemented AES-256 encryption to prevent unauthorized access
  • ✅ Seamless Hotel & Office Integrations:
    • 🔹 Designed an API-driven backend allowing easy integration with property management systems (PMS) & office security systems
  • ✅ User Access Control & Role Management:
    • 🔹 Implemented role-based access permissions for employees, admins, and visitors
  • ✅ Offline Access in Low Connectivity Areas:
    • 🔹 Used local device storage to allow access without internet connectivity

Technical Implementation

  • 🔹 Tech Stack: Kotlin (Android), BLE SDK, Firebase
  • 🔹 Security: OAuth, AES-256 encryption
  • 🔹 Backend: Secure API Gateway for access management
  • 🔹 Bluetooth Optimization: Low-energy communication for minimal battery drain

Outcome & Results

  • 🚀 Adopted by large hotels & corporate offices
  • 🚀 Reduced security breaches with encrypted authentication
  • 🚀 Seamless, app-based keyless entry improving user experience

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