Contributed to the firmware development of a smart automated locker system (v3) designed for secure, payment-enabled storage access. The system integrates embedded control logic, GSM-based communication, and industrial locking mechanisms to enable automated locker operations in shared and commercial environments.
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STM32
Embedded Control Unit
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v3 Firmware
System Upgrade Cycle
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GSM
Remote Communication
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Payment Enabled
Access Authorization System
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System Overview
The system is built around an embedded STM32 microcontroller responsible for managing locker states, authentication logic, and secure locking/unlocking operations. It enables controlled access to storage compartments based on validated user sessions.
Integrated a payment-triggered access system where locker availability is tied to successful transaction validation, ensuring secure and automated usage flow for shared environments.
Implemented GSM module communication for remote system interaction, enabling status updates, authentication verification, and remote monitoring capabilities in environments without stable internet connectivity.
Engineering Highlights
Contributed to embedded firmware improvements for version 3, focusing on stability, optimized control logic, and reliable hardware state management for industrial locker systems.
Worked with custom industrial-grade locking hardware to ensure secure physical access control, integrating electronic actuation with embedded decision logic.
Implemented robust firmware logic to manage locker states including locked, unlocked, pending payment, and session timeout states with high reliability.
Participated in firmware refinement and validation cycles to improve system stability, responsiveness, and operational readiness for real-world deployment scenarios.
Outcome
This project highlights expertise in embedded firmware engineering, STM32-based system design, GSM communication systems, industrial automation and secure access control systems. The work demonstrates the ability to contribute to production-level embedded firmware for commercial smart infrastructure systems.