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All Journal TIN: TERAPAN INFORMATIKA NUSANTARA
Suitbertus Anang Wijayanto
Universitas STEKOM, Semarang
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Rancang Bangun Sistem IoT Monitoring Pemakaian Daya Listrik dan Air Mesin Cuci Laundry Komersial Suitbertus Anang Wijayanto; Setiyo Adi Nugroho; Priyadi Priyadi
TIN: Terapan Informatika Nusantara Vol 7 No 2 (2026): July 2026
Publisher : Forum Kerjasama Pendidikan Tinggi (FKPT)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47065/tin.v7i2.9860

Abstract

Monitoring electricity and water consumption of washing machines in laundry businesses poses a distinct challenge for laundry owners. This research aims to develop an IoT-based monitoring system for electrical power and water consumption on washing machines using an ESP32, a PZEM-004T sensor, and a YF-S201 water flow sensor. The data captured by the sensors was stored in a MySQL database server via the MQTT protocol and displayed on a monitoring web page built with CodeIgniter, as well as on a Virtuino IoT Android application. The results showed that the electrical sensor was capable of measuring electrical quantities with a reading error rate of 0.5–1% compared to a digital kWh meter. Similarly, the water flow sensor was able to measure water volume with an error rate of approximately 0.2%. The web-based monitoring dashboard can display data and graphs of electricity and water usage, enabling laundry owners to perform analyses for decision-making in future business development. Sensor data storage from the ESP32 to the MySQL server was successfully executed in real-time with a 1-second time delay. Thus, this IoT implementation successfully provides a real-time and accurate operational monitoring system for washing machines.
Co-Authors Priyadi Priyadi Setiyo Adi Nugroho