Roman Swetly
Systems Engineer · IoT · RF Communications · Industrial Integration
More than 30 years of experience in electronics,
telecommunications, embedded systems, industrial automation,
antenna systems, Linux infrastructure and IoT deployments.
Director of an OCXO oscillator manufacturing facility and
founder of the N3xar IoT Platform.
Featured Engineering Systems
View all →Scalable IoT Systems
A comprehensive guide to architecting production-ready IoT solutions, covering hardware selection, communication protocols, network design, server deployment, cloud integration, and AI-driven analytics. Based on real-world experience and the N3xar platform.
Antenna Infrastructure in Challenging Environments
From Siberian -40°C extremes to Mediterranean island conditions — a comprehensive guide to professional antenna solutions.
Industrial Infrastructure Platform (II-PaaS)
Designing and operating production-ready Linux infrastructure for web applications, IoT platforms, collaboration tools, monitoring systems, messaging services and secure remote access.
Embedded Systems Engineering
Full-cycle embedded systems development – from microcontrollers and firmware to IoT gateways and real-time data processing. Expertise in ESP32, STM32, Arduino, Raspberry Pi, and industrial controllers.
Monitoring & Telemetry
Production-grade observability for industrial IoT – Prometheus, Grafana, cAdvisor, Node Exporter, and Pushgateway. Real-time monitoring of hosts, containers, and distributed edge devices.
AI Engineering & Automation
Bridging AI and industrial operations – intelligent automation with LangChain, n8n, and Python. From automated alerting and document processing to predictive maintenance and workflow orchestration.
Latest Articles
Read all →Open and Closed IoT Architectures
A practical comparison of open vs. proprietary IoT systems — exploring flexibility, cost, vendor lock‑in, security, and business models. Includes a decision framework and real‑world examples to help you choose the right approach for your project.
Jul 4, 2026
Distributed vs. Centralized Intelligence in IoT
A comprehensive comparison of smart nodes (distributed intelligence) vs. dumb nodes (centralized orchestration) in IoT systems. Explore trade-offs in reliability, scalability, power, and cost, with real-world examples and a decision framework.
Jul 4, 2026
Comparing IoT Controllers for Your Project
A comprehensive guide to selecting the right microcontroller for IoT applications. Compare ESP32, STM32, RP2040, Raspberry Pi, and more across power, performance, connectivity, and cost. Includes decision frameworks and real-world use cases.
Jul 4, 2026