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Observability Signals for Realtime Room Discovery in IoT Control Panels

room-discovery design should optimize for evidence, not message volume: use a short-lived discovery record, a server-issued scope, and three independent signals that let an operator tell discovery…

• Use observability signals for realtime room discovery in IoT control panels.
• Recommend three independent signals: room.discovered, room.joined, and event.delivered.
• Suggest key metrics for dashboards: discovery latency, join rejection rate, time-to-first-delivery.

35m ago ·dev.to

I built free Australian tax calculators and published them on GitHub Pages

I've been building Instant Receipts — a receipt scanning and BAS prep app for Australian sole traders — and as part of that I built a set of free calculators that live on the main site.

35m ago ·dev.to

Reverse Logistics and Returns: Designing the Sorter for What Comes Back

Most sortation systems are designed for the outbound flow and treated as an afterthought for returns. Yet returns are where margin quietly disappears — and where a sorter designed only for pristine…

• Returns sortation requires specialized systems due to damaged, open, or improperly packaged items.
• Induction mechanism should be manual or semi-automatic to handle mixed, non-conveyable packaging.
• WCS logic must track return reasons for data-driven insights and future reduction strategies.

35m ago ·dev.to