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Drone Authentication System

Developer·June – Aug 2021

Overview

A hardware security system that prevents unauthorized drone access to restricted airspace using GPS geofencing, GSM communication, and Arduino-based control logic. The system automatically disables motor power on zone violation and authenticates the drone identity before permitting flight resumption.

The Challenge

Drone incursions into restricted zones — airports, military installations, event venues — happen faster than human operators can respond. An automated, hardware-level enforcement system was needed that could detect zone violations instantly and act without waiting for human intervention.

The Solution

Built a GPS + GSM + Arduino system that continuously reads the drone's GPS coordinates and compares them against a geofenced restricted zone boundary. On unauthorized entry, the system triggers an immediate motor power cutoff via a relay module, transmits a violation alert via GSM to the Drone Authentication Center, and requires credential verification before flight can resume.

Tech Stack

ArduinoMain control logic for GPS reading and relay actuation
GPS ModuleReal-time position tracking and geofence boundary calculation
GSM ModuleAlert transmission and two-way credential verification
C++Embedded firmware for the Arduino control loop
GeofencingCoordinate-based boundary definition for restricted zones

Outcomes

  • ▸Automatic motor cutoff triggered within 1 second of restricted zone entry
  • ▸Credential verification loop prevents flight resumption without authentication
  • ▸Prototype validated in controlled test environment with simulated zone boundaries
  • ▸Hardware-only enforcement requires no cloud dependency for core safety function
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