IoT Device Monitor

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Project Overview

A real-time dashboard that tracks sensor devices, streams telemetry, and surfaces alerts for abnormal behavior.

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Problem

Device data was fragmented across logs and hard to inspect quickly during incidents.

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Solution

Created a live monitoring interface with event streams, alert thresholds, and searchable device timelines.

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Tech Stack

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Architecture

Web client subscribes to WebSocket channels. Node.js ingest service processes telemetry, stores snapshots, and publishes alert events to subscribers.

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Challenges

• - Handling temporary disconnects without losing telemetry context.
• - Balancing update frequency with UI performance.
• - Defining alert thresholds that reduce noise.

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Lessons Learned

• - Reconnect logic and event buffering are critical in real-time apps.
• - Observability should be first-class from day one.
• - Good defaults for alerting prevent operator fatigue.

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Links