Live material tracking
Per-station Raspberry Pis publish barcode scans to AWS IoT Core; a Lambda writes to Postgres in under 500 ms. Stock, traceability and quality events all hit the same ledger — no batch sync, no end-of-day reconciliation.
- Barcode + QR + IoT scans
- Real-time on-hand per SKU
- Full part-to-finished-good lineage