DEVELOPMENT OF A UNIVERSAL ENERGY-EFFICIENT AUTOMATED METER READING SYSTEM USING ESP32-CAM

doi:10.26565/2519-2310-2025-1-03

Tetiana Korobeynikova PhD (Engineering), Associate Professor, Lviv Polytechnic National University, Ukraine https://orcid.org/0000-0003-2487-8742
Oleksandr Reminnyi PhD (Engineering), Assistant; Lviv Polytechnic National University, Ukraine https://orcid.org/0009-0005-5119-3695
Roman Baitala student of the Department of Computerised Automation Systems; Lviv Polytechnic National University, Ukraine
Vladyslav Kyryk student of the Department of Computerised Automation Systems; Lviv Polytechnic National University, Ukraine
Danylo Stetskyi student of the Department of Computerised Automation Systems; Lviv Polytechnic National University, Ukraine

DOI: https://doi.org/10.26565/2519-2310-2025-1-03

Keywords: automated meter reading, ESP32-CAM, IoT, energy efficiency, mobile application, neural network, utility management

Abstract

The article discusses the design and development of a universal automated meter reading system capable of handling multiple resource types, including water, gas, and electricity. The developed system addresses common challenges associated with manual meter reading, such as accessibility, inconsistent data recording, and human error. The primary innovation presented is integrating the ESP32-CAM module to automate image capturing and data transmission to utility services through a user-friendly mobile application. Special emphasis is placed on optimizing energy efficiency to ensure extended device autonomy. The proposed system includes a robust algorithm for image preprocessing, meter reading validation, and secure wireless communication. Rigorous testing across Android and iOS platforms demonstrated the application's usability, functionality, and consistent performance. Optimization efforts significantly improved device battery life from approximately 50 days to four months. Future improvements are suggested, including developing a custom hardware board to reach the industry-standard operational duration of one year.

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