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A Cost-Effective IoT Framework for Real-Time Electrical Energy Monitoring and Web-based Visualization
| International Journal of Computer Applications |
| Foundation of Computer Science (FCS), NY, USA |
| Volume 187 - Number 116 |
| Year of Publication: 2026 |
| Authors: Phi Van Lam, Nguyen Tran Phuoc Dung, Do Thi Thu Mai, Tran Thi Lan |
10.5120/ijca71aefce37be1
|
Phi Van Lam, Nguyen Tran Phuoc Dung, Do Thi Thu Mai, Tran Thi Lan . A Cost-Effective IoT Framework for Real-Time Electrical Energy Monitoring and Web-based Visualization. International Journal of Computer Applications. 187, 116 ( Jun 2026), 1-6. DOI=10.5120/ijca71aefce37be1
Abstract
This paper presents the design and development of an ultracompact, cost-effective smart energy monitoring framework utilizing the ESP32 Super Mini microcontroller (equipped with an OLED display) and the PZEM-004T module. While many existing solutions rely on heavy computational models or complex decentralized networks, the proposed system emphasizes accessibility and practical domestic deployment. It accurately measures critical electrical parameters—voltage, current, active power, energy consumption, frequency, and power factor—and synchronizes them instantaneously to a Firebase cloud database while displaying realtime status locally. A lightweight, web-based interface allows users to remotely track power usage and historical trends across any internet-connected device without requiring dedicated applications. Experimental benchmarking against commercial meters confirms the system’s high precision, demonstrating its viability as an efficient, low-barrier solution for everyday household energy management.
References
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