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Article

ModuLab: A Modular Sensor Platform for Proof-of-Concept Real-Time Environmental Monitoring

by
Chin-Wen Liao
1,
Wei-Chen Hsu
1,
Wei-Feng Li
2,
Hsuan-Sheng Lan
3,
Cin-De Jhang
1 and
Yu-Cheng Liao
1,*
1
Department of Industrial Education and Technology, National Changhua University of Education, Changhua City 50007, Taiwan
2
College of Engineering, Michigan State University, 426 Auditorium Road, East Lansing, MI 48824, USA
3
High School Division, Singapore American School, 40 Woodlands Street 41, Singapore 738547, Singapore
*
Author to whom correspondence should be addressed.
Eng 2025, 6(9), 225; https://doi.org/10.3390/eng6090225
Submission received: 2 August 2025 / Revised: 30 August 2025 / Accepted: 2 September 2025 / Published: 3 September 2025
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Abstract

This paper presents ModuLab, a modular, low-cost sensor platform designed to simplify real-time environmental monitoring for laboratory research and educational settings. Centered on the APP-All MCU 2023 development board with an AVR128DA48 microcontroller (Microchip Technology Inc., Taiwan) ModuLab supports plug-and-play integration of multiple sensor types—including temperature, pH, light, and humidity—using a robust I2C communication protocol. The system features configurable sampling rates, built-in signal conditioning, and a Python-based interface for real-time data visualization. As a proof-of-concept, ModuLab was operated continuously for 48 h to evaluate system stability and filtering capabilities. However, due to institutional data ownership and confidentiality policies, the underlying datasets cannot be disclosed in this submission. The architecture and implementation details described herein are intended to guide future users and research groups seeking accessible alternatives to conventional data acquisition solutions. Comprehensive performance validation and open-access data sharing are planned as the next steps in this ongoing project.
Keywords: modular system; real-time monitoring; laboratory proof-of-concept; environmental instrumentation modular system; real-time monitoring; laboratory proof-of-concept; environmental instrumentation

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MDPI and ACS Style

Liao, C.-W.; Hsu, W.-C.; Li, W.-F.; Lan, H.-S.; Jhang, C.-D.; Liao, Y.-C. ModuLab: A Modular Sensor Platform for Proof-of-Concept Real-Time Environmental Monitoring. Eng 2025, 6, 225. https://doi.org/10.3390/eng6090225

AMA Style

Liao C-W, Hsu W-C, Li W-F, Lan H-S, Jhang C-D, Liao Y-C. ModuLab: A Modular Sensor Platform for Proof-of-Concept Real-Time Environmental Monitoring. Eng. 2025; 6(9):225. https://doi.org/10.3390/eng6090225

Chicago/Turabian Style

Liao, Chin-Wen, Wei-Chen Hsu, Wei-Feng Li, Hsuan-Sheng Lan, Cin-De Jhang, and Yu-Cheng Liao. 2025. "ModuLab: A Modular Sensor Platform for Proof-of-Concept Real-Time Environmental Monitoring" Eng 6, no. 9: 225. https://doi.org/10.3390/eng6090225

APA Style

Liao, C.-W., Hsu, W.-C., Li, W.-F., Lan, H.-S., Jhang, C.-D., & Liao, Y.-C. (2025). ModuLab: A Modular Sensor Platform for Proof-of-Concept Real-Time Environmental Monitoring. Eng, 6(9), 225. https://doi.org/10.3390/eng6090225

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