// 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.
Real lessons from building connected devices for superyachts, luxury hotels, and industrial environments. No fluff — just engineering.
Certyfikacja urządzeń IoT krok po kroku: znak CE i dyrektywa RED, FCC Part 15, normy EMC i radiowe, cyberbezpieczeństwo EN 18031 oraz realne koszty i terminy.
Protokół LwM2M (OMA Lightweight M2M) to standard zarządzania flotą urządzeń IoT: bootstrap, rejestracja, OTA i bezpieczeństwo DTLS nad CoAP.
5G RedCap (NR-Light) to lekki wariant 5G dla IoT o sredniej przepustowosci. Poznaj parametry, porownanie z NB-IoT i LTE-M oraz zastosowania.
Pozycjonowanie UWB (Ultra-Wideband) daje lokalizacje z dokladnoscia 10-30 cm. Wyjasniamy zasade dzialania RTLS, porownanie technologii i wdrozenie w IoT.
OPC UA to otwarty standard komunikacji przemysłowego IoT. Poznaj jego architekturę, model informacyjny, tryby client-server i PubSub oraz bezpieczeństwo.
Bluetooth Low Energy w IoT: jak działa BLE, warstwy GAP i GATT, zasięg i zużycie energii, Bluetooth mesh, beacony oraz kiedy wybrać BLE do projektu.
Wi-Fi HaLow (IEEE 802.11ah) to standard sub-1 GHz dla IoT: zasieg do 1 km, do 8191 urzadzen i niski pobor mocy. Poznaj parametry i zastosowania.
Czym jest bramka IoT, jakie protokoly obsluguje i jak zaprojektowac jej architekture oraz zabezpieczenia. Praktyczny przewodnik FSS.
Jak osiągnąć energooszczędność w IoT i wydłużyć czas pracy baterii — tryby uśpienia, sieci LPWAN, budżet energetyczny i energy harvesting w praktyce.
Predykcyjne utrzymanie ruchu w IIoT pozwala przewidziec awarie maszyn dzieki czujnikom i analizie danych. Poznaj architekture, ROI i wdrozenie krok po kroku.
Czym jest provisioning urzadzen IoT i jak wdrozyc bezpieczny, zautomatyzowany zero-touch onboarding floty - od tozsamosci po rejestracje w chmurze.
Czym jest inteligentne opomiarowanie i jak zbudowac niezawodny system smart metering w IoT - architektura AMI, protokoly, sieci i bezpieczenstwo.
Protokół Zigbee w IoT — jak działa sieć mesh, czym różni się od Matter, Thread, BLE i Wi-Fi oraz kiedy warto go wybrać do wdrożenia.
Protokół CoAP to lekki standard komunikacji dla urządzeń IoT o ograniczonych zasobach. Wyjaśniamy, jak działa, jak zabezpieczyć go przez DTLS i kiedy wybrać go zamiast MQTT.
Jak przebiega obsadzanie płytek PCB: pasta lutownicza, szablon, automaty pick-and-place oraz najczęstsze wady i jak ich unikać.
Na czym polega montaż PCB, czym różni się technologia SMT od THT oraz jak wygląda proces i kontrola jakości.
Czym są cyfrowe bliźniaki w IoT, jak wygląda ich architektura i jak wdrożyć je w przemyśle krok po kroku.
Standard Matter i sieć Thread ujednolicają świat IoT. Wyjaśniamy, jak działają i co oznaczają dla producentów urządzeń.
A practical guide to building production SwiftUI companion apps for BLE IoT devices: connection state machines, async/await CoreBluetooth wrappers, OTA flows, background limits, and App Store gotchas.
A deep look at GEST, the wireless in-room service-call system that replaces phones and door tags with one-press buttons, staff apps, analytics dashboards, and measurable NPS lift in luxury hotels.
A field-tested guide to bridging decades-old Modbus PLCs into Azure IoT Hub: protocol fundamentals, RS-485 wiring, ESP32 gateway code, polling strategy, and security for brownfield factories.
An engineering guide to running multi-tenant IoT backends on Azure Kubernetes Service: ingest, processing, KEDA autoscaling, GitOps, time-series storage and cost control at millions-of-devices scale.
How to design LoRaWAN cold-chain monitoring for pharmaceuticals and food: sensor selection, enclosure design, gateway placement, compliance, alerting and a real 50-truck cost breakdown.
A practical engineering guide to connecting Oracle Opera Cloud, Mews and Apaleo with IoT room controls, GEST service-call workflows, energy management and guest preference automation.
LoRaWAN, NB-IoT, and LTE-M each win different asset-tracking scenarios. A side-by-side technical comparison with TCO numbers and reference architectures.
Edge ML on ESP32-S3 is no longer a science project. Here is how to deploy TFLite Micro models for keyword spotting and anomaly detection with real benchmarks.
Firmware deserves the same CI/CD discipline as cloud code. Here is a battle-tested GitHub Actions pipeline for ESP32 and STM32 with matrix builds, HIL, and signed OTA delivery.
AI agents move IoT beyond dashboards into systems that perceive, reason, and act. Here is how to architect them safely across factories, hotels, and yachts.
How modern superyachts use AIS, GPS, and IoT sensor monitoring for navigation, safety, and fleet management — the YIS platform from FSS Technology.
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.
How to build a real-time IoT monitoring dashboard — WebSocket architecture with Azure SignalR, React state management for high-frequency updates, and live charts.
How FSS Technology builds connected superyachts — GEST service calls, OMNIYON A/V control, YIS vessel monitoring, and Nuvlock smart access in a single stack.
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.
The practical challenges of scaling IoT hardware from prototype to mass production — DFM, component sourcing, manufacturing partner selection, test strategy, and yield improvement.
How to implement reliable OTA firmware updates for large IoT fleets — staged rollouts, rollback, delta updates, and Azure IoT Hub Device Twin integration.
Complete guide to MQTT for IoT — QoS levels, retained messages, Last Will and Testament, topic design, and broker selection for production deployments.
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.
Comprehensive testing strategy for IoT hardware and firmware — unit tests, hardware-in-loop testing, network simulation, field validation, and regression testing for production releases.
Practical IoT security checklist — device authentication, encrypted firmware, secure boot, TLS 1.3, hardware security modules, network segmentation for production devices.
End-to-end guide to IoT product development — from concept through PCB design, firmware, cloud, mobile app, manufacturing, and post-launch support.
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.
Practical guide to CE and FCC certification for IoT hardware — RED directive, FCC Part 15, pre-compliance testing, test houses, timelines, and certification strategies.
How modern luxury hotels deploy IoT wireless service call systems — BLE buttons, real-time staff routing, PMS integration, and analytics with GEST.
How to use FreeRTOS in IoT firmware — tasks, queues, semaphores, watchdog patterns, and real-world multi-task architecture.
Practical comparison of ESP32 and STM32 for IoT hardware — power, connectivity, ecosystem, and when to choose each based on 10+ years deploying both.
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.
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.
Step-by-step guide to custom IoT PCB design — schematic capture, component selection, RF antenna layout, power design, DFM rules, and fabrication file generation.
Practical comparison of BLE and WiFi for IoT — power consumption, range, mesh capabilities, and real battery life data from deployed FSS devices.
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.
How device manufacturers use Azure IoT Hub — device provisioning, D2C messaging, Device Twins, direct methods, and production-grade architecture patterns.