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All Journal Jurnal Teknik Industri: Jurnal Keilmuan dan Aplikasi Teknik Industri Journal of Integrated System
Batara, Marco
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Engineering Industrial & Manufacturing Engineering

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Scalable and Affordable IoT-based Inventory Control with Real-Time Monitoring for Small and Medium Enterprises Yosephine, Vina Sari; Batara, Marco; Setiawati, Marla
Jurnal Teknik Industri: Jurnal Keilmuan dan Aplikasi Teknik Industri Vol. 27 No. 1 (2025): June 2025
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9744/jti.27.1.121-136

Abstract

Small and medium enterprises (SMEs) often struggle to adopt advanced inventory management systems due to high implementation costs and infrastructure complexity—barriers that are especially challenging in the context of Industry 4.0. This paper presents a scalable and affordable IoT-based stock monitoring and control system designed for small and medium enterprises. The proposed system integrates low-cost microcontrollers with ultrasonic sensors, enabling real-time stock tracking while reducing hardware expenses and complexity. Unlike existing solutions, it leverages a modular architecture for seamless scalability across different inventory sizes and environments. The system is validated through compliance with the Industry 4.0 Maturity Index and the ISA-95 standard, demonstrating its suitability for digital transformation in SME operations. Performance evaluation shows an accuracy rate exceeding 98% and response times under 10 seconds, ensuring reliable operation under varying environmental conditions. A comparative cost analysis highlights significant savings compared to conventional automated inventory systems. This approach provides an accessible entry point for SMEs seeking to enhance inventory visibility, operational efficiency, and readiness for Industry 4.0 integration.
Alat Pendeteksi Stok Barang Berbasis IoT untuk UMKM dengan Sensor Ultrasonik dan Inframerah Batara, Marco; Yosephine, Vina Sari
Journal of Integrated System Vol. 7 No. 1 (2024): Journal of Integrated System Vol. 7 No. 1 (June 2024)
Publisher : Universitas Kristen Maranatha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28932/jis.v7i1.8525

Abstract

Di era Industri 4.0 UMKM Indonesia menghadapi tantangan dalam mengadopsi transformasi digital baik dari sisi pembiayaan maupun sumber daya manusia. Manajemen gudang merupakan contoh yang sering terabaikan. Pengelolaan inventori yang efisien menjadi penting untuk meningkatkan efisiensi operasional dan rantai pasok UMKM. Penelitian ini bertujuan untuk membangun model digitalisasi pemantauan stok untuk pemantauan operasi gudang secara real-time yang dikhususkan kepada UMKM. Sistem tersebut menggabungkan sistem informasi, single board computer, sensor ultrasonik, dan sensor inframerah dalam satu platform IoT untuk memberikan informasi inventori secara real-time. Analisis reliabilitas statistik pada pengujian menunjukkan tingkat konsistensi yang sangat tinggi yaitu nilai Cronbach's Alpha dan Intraclass Correlation Coefficient di atas 0.9. Hasil ini menunjukkan bahwa model tersebut dapat secara akurat memantau dan mengelola inventori, sehingga UMKM dapat membuat keputusan yang lebih tepat dan cepat. Nilai investasi sistem sebesar Rp103.350 sehingga model digital terjangkau dan mudah diimplementasikan bagi UMKM dalam mengadopsi teknologi digital khususnya dalam manajemen gudang.
Co-Authors Setiawati, Marla Vina Sari Yosephine