IoT-Enabled Smart Fence: Remote Security and Monitoring Using NodeMCU ESP32 and Blynk
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Keywords

IoT-Based Home Security Automated Fence System Blynk Application NodeMCU ESP32

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Syahrani, F. P., Saputra, H. K., Anori, S., Agustiarmi, W., Ayasrah, F. T., & Thanh, P. V. (2025). IoT-Enabled Smart Fence: Remote Security and Monitoring Using NodeMCU ESP32 and Blynk. Journal of Hypermedia & Technology-Enhanced Learning, 3(1), 1–15. https://doi.org/10.58536/j-hytel.158
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Published 15.01.2025
Pages 1-15
References 25
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Abstract

The Internet of Things (IoT) has transformed home security by enabling automated remote monitoring and control systems. This study presents an IoT-enabled smart fence prototype that utilizes the NodeMCU ESP32 microcontroller and the Blynk application to provide secure, efficient remote gate operations. The system allows users to remotely open, close, and lock gates via mobile devices, addressing the limitations of traditional manual methods. Core components include ultrasonic sensors for real-time obstacle detection, relays, and motors, all integrated into a robust hardware-software framework. Testing revealed consistent system responses within two seconds under stable network conditions, with accurate obstacle detection ensuring the safety zone is maintained. Despite network stability challenges, the system is practical, user-friendly, and scalable for residential security applications. Future improvements could incorporate dual connectivity options to enhance network resilience and advanced sensor calibration to improve reliability across varied environments. This cost-effective prototype demonstrates significant potential for modern smart home security applications and future advancements.

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Author Contributions

Fadhilah Putri Syahrani: Conceptualization, Methodology, Investigation, Formal Analysis, Data Curation, Software, Writing - Original Draft, Writing - Review & Editing. Hadi Kurnia Saputra: Validation, Supervision, Writing - Review & Editing. Sartika Anori: Validation, Supervision, Writing - Review & Editing. Winda Agustiarmi: Validation, Supervision, Writing - Review & Editing. Firas Tayseer Ayasrah: Validation, Writing - Review & Editing. Pham Van Thanh: Writing - Review & Editing. All authors have reviewed and approved the final version of this manuscript.

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Conceptualization Data curation Formal analysis Investigation Methodology Software Supervision Validation Writing – original draft Writing – review & editing
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Acknowledgments

The authors would like to express their sincere gratitude to all individuals and institutions who provided invaluable support and resources throughout the research process.

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Ethics Approval

This study did not involve human or animal participants; therefore, ethical approval was not required.

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Competing Interests

The authors declare that they have no competing interests.

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Funding

This research received no external funding.

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References

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Copyright (c) 2025 Fadhilah Putri Syahrani, Hadi Kurnia Saputra, Sartika Anori, Winda Agustiarmi, Firas Tayseer Ayasrah, Pham Van Thanh

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