Integrating Precision and Sustainability: Design and Evaluation of a Cost-Effective Digital Weight Measurement System Powered by Arduino for Real World Applications
Keywords:
Economic Sustainability, Industry 5.0, Load Cell, Low-Cost DesignAbstract
In the era of Industry 5.0, the demand for affordable, precise and sustainable industrial solutions is rapidly increasing. This paper presents the design and implementation of a low-cost, high-capacity (up to 100 kg) digital weight scale based on the Arduino platform. The system utilizes a strain gauge load cell with an HX711 24-bit analog-to-digital converter for accurate weight sensing and amplification. An Arduino Nano microcontroller processes the digitized sensor data and drives a 16×2 LCD module for real-time display. Calibration is performed using standard weights, achieving an accuracy of ±0.1 kg across the measurement range. The proposed system reduces cost by approximately three times compared to commercial 100 kg scales, while maintaining high precision and reliability. The scale is suitable for real world applications. Emphasizing sustainability, the system uses energy efficient, widely available components and a modular design for easy repair and maintenance. This solution provides a practical, scalable and human centric approach, aligning with Industry 5.0 principles.
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