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How I Built a QR-Powered ERP for Garment Factories Using React, Firebase, and a Raspberry Pi 🧵⚡

DEV Community·Santosh Rijal·24 days ago
#hHF6IgFi
#webdev#pwa#erp#fashion#scan#sewing
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The Problem: The "Spreadsheet Chaos" of the Sewing Floor Most people think garment manufacturing is just "sewing." In reality, it’s a logistics nightmare. A single factory floor might have 60+ machines, 100+ operators, and thousands of fabric bundles moving at once. Before Scan ERP, tracking was done on paper or messy Excel sheets. This led to: Payment Disputes: "I sewed 50 sleeves, why am I paid for 40?" The Black Hole: A bundle goes missing, and production stops for hours. Delayed Decisions: Managers only see "yesterday's" data, never "now." The Solution: A "Zero-Install" System of Action I didn’t want to build a "System of Record" where people just type in data. I wanted a System of Action. We built Scan ERP as a Progressive Web App (PWA) because factory environments hate App Stores. No downloads, no updates—just a QR scan and you're in. The Multi-Engine QR Scanner (99% Accuracy) Scanning on cheap, greasy $100 Android phones is hard. To hit 99% accuracy, we didn't rely on one library.…

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