Rancang Bangun Soundbox Portabel Berbasis Additive Manufacturing untuk Sistem Notifikasi Transaksi pada Bengkel Otomotif

RADIFAN NURI ARSALAN, . (2026) Rancang Bangun Soundbox Portabel Berbasis Additive Manufacturing untuk Sistem Notifikasi Transaksi pada Bengkel Otomotif. Sarjana thesis, UNIVERSITAS NEGERI JAKARTA.

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Abstract

Adopsi Quick Response Code Indonesian Standard (QRIS) pada segmen UMKM terus meningkat, termasuk pada bengkel otomotif, namun perangkat notifikasi transaksi komersial yang tersedia dirancang untuk lingkungan ritel statis dan bersifat proprietary sehingga kurang tangguh terhadap debu, getaran, dan mobilitas tinggi di bengkel serta sulit diintegrasikan dengan sistem manajemen bengkel mandiri. Penelitian ini bertujuan merancang dan membangun prototipe soundbox QRIS portabel berbasis Additive Manufacturing sebagai interface fisik dalam ekosistem digitalisasi bengkel otomotif berbasis Internet of Things (IoT). Metode yang digunakan adalah rancang bangun (prototype development) yang meliputi perancangan enclosure dengan prinsip Design for Manufacturing and Assembly (DFMA) menggunakan Autodesk Inventor, fabrikasi melalui Fused Deposition Modeling (FDM) berbahan filament PLA+, serta integrasi komponen elektronik (Arduino UNO R4 WiFi, DFPlayer Mini, LCD 16×2, dan baterai Li-Po) yang terhubung ke server Cloudflare Workers. Hasil penelitian menunjukan enclosure berdimensi 90×100×121 mm dengan set parameter optimal layer height 0,2 mm dan infill density 20% menghasilkan akurasi dimensi tanpa deviasi terhadap toleransi ±0,5 mm serta struktur yang cukup kaku berdasarkan simulasi Autodesk Inventor. Pengujian sistem terintegrasi menunjukan rata-rata delay notifikasi 2,13 detik (target <3 detik), tingkat keberhasilan komunikasi data 100% (target 95%), serta konsumsi daya aktif 1436,4 mW dengan estimasi ketahanan baterai 15,46 jam. Namun, tingkat kejelasan suara (Signal-to-Noise Ratio) hanya memenuhi ambang ≥10 dB pada kondisi ruangan tenang dan belum optimal pada simulasi kebisingan bengkel. Penelitian ini menyimpulkan bahwa prototipe soundbox QRIS portabel berhasil dibangun dan memenuhi sebagian besar target kinerja, dengan rekomendasi perbaikan pada aspek kejelasan suara, ketahanan lingkungan, dan pemilihan material untuk pengembangan lanjutan. ***** The adoption of the Quick Response Code Indonesian Standard (QRIS) among MSMEs continues to grow, including in automotive workshops, yet commercially available transaction notification devices are designed for static retail environments and are proprietary, making them insufficiently robust against dust, vibration, and the high mobility demands of workshop environments, and difficult to integrate with independently developed workshop management systems. This research aims to design and build a portable QRIS soundbox prototype based on Additive Manufacturing as a physical interface within an IoT-based automotive workshop digitalization ecosystem. The method used is prototype development, comprising enclosure design based on Design for Manufacturing and Assembly (DFMA) principles using Autodesk Inventor, fabrication through Fused Deposition Modeling (FDM) using PLA+ filament, and integration of electronic components (Arduino UNO R4 WiFi, DFPlayer Mini, a 16×2 LCD, and a Li-Po battery) connected to a Cloudflare Workers server. Results show that the 90×100×121 mm enclosure, produced with an optimal parameter set of 0.2 mm layer height and 20% infill density, achieved zerodimensional deviation within the ±0.5 mm tolerance. Integrated system testing showed an average notification delay of 2.13 seconds (target <3 seconds), a 100% data communication success rate (target 95%), and active power consumption of 1436.4 mW with an estimated battery life of 15.46 hours. However, sound clarity (Signal-to-Noise Ratio) only met the ≥10 dB threshold under quiet conditions and remained inadequate under simulated workshop noise. This study concludes that the prototype was successfully built and met most performance targets, with recommendations for improving sound clarity, environmental durability, and material selection in future development.

Item Type:	Thesis (Sarjana)
Additional Information:	1). Lukman Arhami, S.Pd., M.T; 2). Dr. Eko Arif Syaefudin, M.T.
Subjects:	Teknologi dan Ilmu Terapan > Teknik Mesin, Mekanika Teknik Teknologi dan Ilmu Terapan > Teknik Elektronika
Divisions:	FT > D IV Teknologi Rekayasa Manufaktur
Depositing User:	Users 35873 not found.
Date Deposited:	10 Aug 2026 04:06
Last Modified:	10 Aug 2026 04:06
URI:	http://repository.unj.ac.id/id/eprint/69346

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