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Real-Time IoT / WebSockets50+ Devices, Live
Aethes Armour Ops Dashboard
Real-time operations dashboard for a US-based smart-armour manufacturer — streams live data from 50+ connected devices over WebSockets.
Frontend Engineer (Freelance)
2025
Connected Devices50+
Live WebSocket streams
End-to-End Latency<1s
Device event → rendered chart
Render Cadence10fps
Throttled batch update
Overview
Aethes Armour (USA) ships smart protective equipment with embedded sensors. I built the operations dashboard their team uses to monitor fleet health in real time — 50+ devices streaming telemetry simultaneously, with operator-facing alerts and historical inspection views.
Key Features
WebSocket subscriptions per device with automatic reconnect
Batched, throttled rendering for high-frequency updates
Live alert feed with severity and ack workflow
Per-device inspection history with exportable CSV
Cross-browser QA on real devices (iOS, Android, desktop)
What Changed for the User
- Streams live data from 50+ connected devices without frame drops
- Sub-second end-to-end latency from device event to rendered chart
- Tested on real mobile devices, not just Chrome devtools
Technical Challenges
Rendering dozens of WebSocket streams without the UI locking up.
Resolution
Throttle and batch incoming events on a 100ms cadence. Components only re-render the slices that actually changed.Reconnecting gracefully when the network drops mid-session.
Resolution
Exponential backoff with jitter, plus an in-memory event buffer so the dashboard catches up on reconnect instead of dropping data.