Вимірювальна техніка та метрологія. – 2023. – Випуск 84, №3

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Measuring Equipment and Metrology : scientific journal. – Lviv : Lviv Politechnic Publishing House, 2023. – Volume 84, № 3. – 45 р.

Вимірювальна техніка та метрологія

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    Design and evaluation of a smart indoor air quality monitoring system
    (Видавництво Львівської політехніки, 2023-02-28) Rudavskyi, Ivan; Klym, Halyna; Popov, Anatoliy; Lviv Polytechnic National University; University of Latvia
    This paper presents the design and development of an intelligent air quality monitoring system that utilizes the widely adopted and versatile Arduino Uno microcontroller as its foundational platform. The system underwent comprehensive testing procedures to ensure its adherence to specified requirements. Moreover, a series of experiments were conducted in diverse areas of a residential environment to generate datasets for various air quality indicators. The research findings showcase the potential of the developed system in accurately monitoring and assessing indoor air quality in real time. Enhancing indoor air quality plays a crucial role in mitigating the transmission of common airborne viruses and pollutants, thus significantly benefiting respiratory health.
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    Node.js project architecture with shared dependencies for microservices
    (Видавництво Львівської політехніки, 2023-02-28) Chaplia, Oleh; Klym, Halyna; Lviv Polytechnic National University
    Microservices is an architectural style in software development that involves constructing a big solution using small, self-contained services. A set of services are connected via well-defined APIs and work together like a coherent system. The application of microservices architecture spans a wide range of domains, e. g., healthcare, finance, government, military, gaming, and entertainment. This article analyzes existing project architecture approaches for Node.js, and improves scalable project architecture for Node.js using shared dependencies. The proposed project architecture with shared module dependencies is explicitly created for Node.js microservice. Also, the article shows the results obtained from a test project that was created based on the proposed architecture.