Topic hub
Protocol choices ripple through firmware, cloud, and operations for the life of the product. This hub covers the major IoT and industrial protocols — what they are good for, what they are not, and how to migrate when the wrong choice was made.
8 essays published in this topic
Overview
How to integrate connected medical devices with HL7 FHIR — the resource model, transport choices, conformance, and the patterns that survive an IT review.
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How to bridge legacy Modbus equipment into modern MQTT-based IoT platforms — three patterns from drop-in adapters to gateway-based refactors, with trade-offs.
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The MQTT 5 features that earn their keep on real IoT products — flow control, message expiry, shared subscriptions, reason codes, and the upgrade story from 3.1.1.
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OCPP 2.0.1 for EV charging beyond the migration story — session lifecycle, smart charging profiles, ISO 15118 plug & charge, and the implementation details that matter.
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OPC UA for industrial IoT — what it does well, where it's overkill, integration with MQTT Sparkplug, and the practical patterns we deploy on real plants.
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A practical decision guide for picking the right wireless stack for your connected product, based on power, range, throughput, cost per device, and operational reality.
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When to use each protocol, what they actually cost in bandwidth and complexity, and the corner cases that decide projects.
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After years of 'cellular IoT will replace LoRa,' the protocol still wins specific deployments. Here is when it makes sense and when newer alternatives win.
Read moreMore hubs
Comparison guides for IoT development boards, sensors, gateways, and prototyping kits. Pick the right hardware for your connected product.
IoT security platforms, threat modeling, secure provisioning, and the OWASP IoT Top 10 for product teams shipping connected devices.
Integrating IoT data with ERP, CRM, BI, and business systems. Webhooks, streaming, data lakes, multi-cloud architectures, and middleware patterns.
Picking microcontrollers, designing firmware, BLE battery life, mobile companion apps, and the device-side engineering that makes products work.
AWS IoT, Azure IoT, Google Cloud IoT, self-hosted platforms, time-series storage, and cost-modeling at scale.
Predictive maintenance, smart factories, OEE dashboards, digital twins, and the OT/IT integration that makes Industry 4.0 real.
Matter, Thread, local-first design, voice assistants, energy monitoring, and the consumer-IoT decisions product teams face in 2026.
IoT applications across healthcare, energy, EV charging, agriculture, retail, hospitality, mining, and education. Vertical-specific patterns.
OTA pipelines, fleet observability, device onboarding at scale, incident response, and the SRE practices that keep IoT fleets healthy.
Ready to ship
One practical IoT engineering essay a month — covering exactly the topics in these hubs.