// FSS Engineering Blog

Insights from the
hardware floor.

Real lessons from building connected devices for superyachts, luxury hotels, and industrial environments. No fluff — just engineering.

23 articles
Marine

Marine Navigation Technology: AIS, GPS and Vessel Monitoring with IoT

How modern superyachts use AIS, GPS, and IoT sensor monitoring for navigation, safety, and fleet management — the YIS platform from FSS Technology.

Dec 6, 2025 3 min read →
Security

X.509 Certificates for IoT: Zero-Trust Device Authentication

How to implement X.509 certificate-based device authentication for IoT — CA hierarchy, device provisioning, mutual TLS, certificate rotation, and Azure IoT Hub DPS integration.

Dec 3, 2025 3 min read →
Cloud

Real-Time IoT Dashboard with WebSockets and React: Architecture Guide

How to build a real-time IoT monitoring dashboard — WebSocket architecture with Azure SignalR, React state management for high-frequency updates, and live charts.

Nov 30, 2025 2 min read →
Marine

Smart Superyacht Technology: IoT on Luxury Vessels

How FSS Technology builds connected superyachts — GEST service calls, OMNIYON A/V control, YIS vessel monitoring, and Nuvlock smart access in a single stack.

Nov 27, 2025 3 min read →
Security

Smart Access Control: Beyond the RFID Card with Nuvlock

How next-generation smart access control combines WiFi 6, NFC, biometrics, and mobile apps — the Nuvlock system from FSS Technology for luxury hotels and superyachts.

Nov 24, 2025 3 min read →
Process

IoT Prototype to Production: Scaling from 10 to 10,000 Units

The practical challenges of scaling IoT hardware from prototype to mass production — DFM, component sourcing, manufacturing partner selection, test strategy, and yield improvement.

Nov 21, 2025 3 min read →
Firmware

OTA Firmware Updates at Scale: IoT Fleet Update Architecture

How to implement reliable OTA firmware updates for large IoT fleets — staged rollouts, rollback, delta updates, and Azure IoT Hub Device Twin integration.

Nov 18, 2025 3 min read →
Cloud

MQTT Protocol for IoT: QoS, Retained Messages and Last Will Explained

Complete guide to MQTT for IoT — QoS levels, retained messages, Last Will and Testament, topic design, and broker selection for production deployments.

Nov 15, 2025 3 min read →
Marine

Luxury Yacht A/V Control: How OMNIYON Unifies Entertainment and Comfort

How unified A/V and comfort control works on superyachts — streaming integration, multi-zone audio, climate and lighting control, and the OMNIYON system from FSS Technology.

Nov 12, 2025 3 min read →
Process

Testing IoT Devices: From Unit Tests to Field Validation

Comprehensive testing strategy for IoT hardware and firmware — unit tests, hardware-in-loop testing, network simulation, field validation, and regression testing for production releases.

Nov 9, 2025 3 min read →
Security

IoT Security Best Practices: Protecting Connected Devices from Attack

Practical IoT security checklist — device authentication, encrypted firmware, secure boot, TLS 1.3, hardware security modules, network segmentation for production devices.

Nov 6, 2025 3 min read →
Process

From Idea to Shipped IoT Product: The Complete Development Guide

End-to-end guide to IoT product development — from concept through PCB design, firmware, cloud, mobile app, manufacturing, and post-launch support.

Nov 3, 2025 3 min read →
Cloud

Building an IoT Data Pipeline with Azure Event Hubs and Azure Functions

Step-by-step guide to scalable IoT data pipelines on Azure — from IoT Hub routing to Event Hubs, Azure Functions processing, and Time Series storage.

Oct 31, 2025 3 min read →
Process

CE and FCC Certification for IoT Devices: What Manufacturers Need to Know

Practical guide to CE and FCC certification for IoT hardware — RED directive, FCC Part 15, pre-compliance testing, test houses, timelines, and certification strategies.

Oct 28, 2025 3 min read →
Hospitality

Smart Hotel Technology: IoT Service Call Systems for Luxury Hospitality

How modern luxury hotels deploy IoT wireless service call systems — BLE buttons, real-time staff routing, PMS integration, and analytics with GEST.

Oct 25, 2025 3 min read →
Firmware

FreeRTOS for IoT: Real-Time Operating System on ESP32 and STM32

How to use FreeRTOS in IoT firmware — tasks, queues, semaphores, watchdog patterns, and real-world multi-task architecture.

Oct 22, 2025 3 min read →
Hardware

ESP32 vs STM32: Which MCU for Your IoT Project?

Practical comparison of ESP32 and STM32 for IoT hardware — power, connectivity, ecosystem, and when to choose each based on 10+ years deploying both.

Oct 19, 2025 3 min read →
Security

Protecting IoT Firmware: Signing, Encryption and Secure Boot

How to protect IoT firmware from reverse engineering and tampering — firmware signing, flash encryption, secure boot chains, and OTA security for ESP32 and STM32 devices.

Oct 16, 2025 3 min read →
Cloud

Edge Computing for IoT: When to Process on Device vs in the Cloud

Decision framework for IoT edge vs cloud processing — latency requirements, bandwidth costs, offline operation, privacy constraints, and ML inference at the edge on ESP32-S3.

Oct 13, 2025 3 min read →
Hardware

How to Design a Custom IoT PCB: From Schematic to Fabrication

Step-by-step guide to custom IoT PCB design — schematic capture, component selection, RF antenna layout, power design, DFM rules, and fabrication file generation.

Oct 10, 2025 4 min read →
Hardware

BLE vs WiFi for IoT Devices: Power, Range, and When to Use Each

Practical comparison of BLE and WiFi for IoT — power consumption, range, mesh capabilities, and real battery life data from deployed FSS devices.

Oct 7, 2025 3 min read →
Hardware

Designing Battery-Powered IoT Devices for 5-Year Runtime

How to design IoT hardware that runs for years on a single battery — power profiling, MCU sleep modes, duty cycle optimisation, and real results from FSS deployed devices.

Oct 4, 2025 3 min read →
Cloud

Azure IoT Hub for Device Manufacturers: Complete Integration Guide

How device manufacturers use Azure IoT Hub — device provisioning, D2C messaging, Device Twins, direct methods, and production-grade architecture patterns.

Oct 1, 2025 3 min read →