Internet of Things

From field sensor to business decision, without interruption

Illustration 3D d'une puce lumineuse avec le texte « IOT » sur un fond de carte de circuit imprimé.

The Internet of Things has become the nervous system of critical infrastructure and Industry 4.0. The real challenge is no longer connectivity, but integration. The success of a project relies on the controlled convergence of two historically siloed worlds: OT (Operational Technology: the physical reality of the field) and IT (Information Technology: the power of digital and data).

IT Link sits exactly at this intersection. As specialists in connected and critical systems, we manage the entire value chain from end to end. From the electronic board that processes data right at the machine level (Edge Computing) to the secure Cloud architecture that orchestrates thousands of assets, we turn field operations into a direct source of business performance.

Your challenges: why accelerate your IoT transformation?

An IoT project is only worthwhile if it has a tangible impact on your costs, availability, and team safety. Our work generally addresses three major strategic challenges.

Operational excellence through data

In an industrial context, being in the dark is expensive. IoT provides the real-time visibility needed to optimize processes.

  • Predictive maintenance : Moving from corrective maintenance (repairing when it breaks) or preventive maintenance (replacing parts according to a theoretical schedule) to condition-based maintenance. By analyzing a motor's vibrations, temperature, or power consumption, we anticipate failures before they halt production.
  • Energy efficiency (Smart Energy) : You cannot reduce what you do not measure. Deploying sensors makes it possible to identify sources of energy waste on a production line or in a commercial building, thereby meeting ISO 50001 standards and CSR requirements.
  • End-to-end traceability : In logistics or the pharmaceutical industry, knowing where an asset is located is no longer enough. You need to know its condition (impacts, cold chain breaks) to ensure the compliance of the delivered product.

Transform your products into services

IoT solutions make it possible to transform a physical product into a service platform. Machine manufacturers no longer just sell a compressor or a vehicle, but rather uptime or usage billed based on actual consumption. IT Link supports this transformation by developing the technological building blocks (usage reporting, billing, remote updates) that make this business model viable.

Securing people and assets

In harsh or isolated environments (railway workers, ATEX sites, maintenance technicians), connected devices (smart PPE, "man-down" devices) become vital safety guarantees, capable of automatically alerting emergency services in the event of an accident.

Turn your IoT data into growth drivers

Talk to an IoT expert

Our technical expertise: the bridge between Hardware and Software

Electronic design and embedded systems

This is the foundation of any robust IoT project. If data is poorly captured at the source, no Cloud-based AI can correct it. Our electronics and embedded software engineers specialize in:

  • ‍Component selection : selection of microcontrollers (MCUs) and sensors suited to environmental constraints (temperature, humidity, vibrations) and project longevity (component availability).
  • ‍Firmware and BSP development : development of Board Support Packages and drivers to interface software with hardware. We work with real-time operating systems (RTOS) or embedded Linux systems (Yocto, Buildroot) depending on the required computing power.
  • ‍Energy optimization : this is a critical factor for battery-powered devices. We optimize code to maximize Deep Sleep times and reduce radio consumption, ensuring maintenance-free lifespans of several years.
Gros plan d'une micropuce montée sur un circuit imprimé bleu avec traces et points de soudure visibles.

Embedded Intelligence

Sending terabytes of raw data to the Cloud is not always practical due to storage costs, latency, and bandwidth constraints. The current trend is toward local processing.

We integrate signal processing and Artificial Intelligence (TinyML) algorithms directly into the microcontroller. The device then transmits only relevant information (e.g., "Anomaly alert detected") rather than a continuous data stream. This reduces operating costs and enables real-time decision-making, even during network outages.

Long couloir dans un centre de données bordé de racks de serveurs noirs éclairés par des lumières bleues sous un plafond grillagé équipé de lumières vives.

Connectivity and network protocols

Choosing the right network is a foundational step. We are technology-agnostic and will guide you toward the solution best suited to your range / bandwidth / power consumption trade-off:

  • ‍‍‍LPWAN (Low Power Wide Area Network) : LoRaWAN, Sigfox, NB-IoT, LTE-M. Ideal for long-range, low-power sensors.
  • ‍High-speed cellular networks: 4G and 5G for applications requiring video or large data transfers, or for connected vehicles (V2X).
  • Local and mesh networks: Wi-Fi, Bluetooth Low Energy (BLE), Zigbee, Thread, and Matter for home automation or indoor industrial use.
  • Industrial protocols (IIoT) We ensure convergence with existing systems using protocols such as Modbus, Profinet, OPC-UA, and MQTT, allowing legacy programmable logic controllers (PLCs) to connect to the modern IP world (Retrofit).
Gros plan sur des brins de fibre optique bleus émettant de la lumière avec des reflets bokeh circulaires sur un fond sombre.

Cloud, Data, and Applications

Once data is transmitted, it must be stored, structured, and leveraged.

  • ‍Cloud Architectures : We design scalable architectures (serverless, microservices) on leading platforms (Azure IoT, AWS IoT Core, Google Cloud) or on private infrastructures (On-Premise).
  • Digital Twins : Virtual modeling of your physical assets to simulate scenarios and visualize the status of your fleet in real time.
  • Web and Mobile Development : Creation of ergonomic and responsive business interfaces (supervision dashboards, technician applications), developed with modern frameworks (React, Angular, Flutter).
Personne pointant d'une main le code affiché sur l'écran d'un ordinateur de bureau tout en tapant de l'autre main sur le clavier.

IoT Cybersecurity: A "Security by Design" Approach

An insecure connected device is an open door to your industrial network. At IT Link, cybersecurity is not a layer added at the end of a project, but a requirement integrated from the hardware design phase.

Our cybersecurity expertise covers the entire chain (Device-to-Cloud):

  • Physical and Hardware Security : Use of secure components (Secure Elements, TPM), disabling of debug ports (JTAG) on finished products, and protection against power analysis.
  • Firmware Security : Implementation of Secure Boot to ensure that only software signed by your company can run on the device.
  • Communication Security : Systematic encryption of communications (TLS 1.2/1.3, DTLS), mutual authentication between the device and the server via X.509 certificates (PKI).
  • Identity and Access Management : Segregation of duties to ensure that every device and user only accesses the data strictly necessary for their role.
  • Regulatory compliance : Support for compliance with industrial standards (IEC 62443) and European regulations (GDPR, Cyber Resilience Act).

Our support

Successful industrialization is the real challenge of IoT. For a project to move beyond the experimental (POC) stage, it must be designed for scale from day one. Our methodology anticipates manufacturing and deployment constraints to ensure you can scale effectively.

We don't start with technology; we start with usage. Co-design workshops to define ROI, TCO (Total Cost of Ownership), and the target architecture.

Iterative development to validate technical assumptions. Field testing to expose the sensor to its actual environment (interference, weather, usage).

Design for Manufacturing (DFM) and Design for Testing (DFT). We prepare the test benches that will be used in the factory to validate every product coming off the assembly line.

This is the step that ensures long-term profitability. We deploy Device Management platforms that allow you to:

  • Monitor the health status of a heterogeneous fleet (connectivity, battery level).
  • Manage the security certificate lifecycle.
  • Perform remote software updates (OTA - Over The Air).

Without OTA, a software bug requires a physical recall of all products, which is economically disastrous. We integrate robust update mechanisms (A/B partitioning) to ensure devices are never "bricked."

Do you have an IoT project that needs securing?

From proof of concept to production, our experts are here to support you.
Speak with a technical expert

Our areas of expertise

We develop and integrate embedded software tailored to each sector, taking into account the specific environments, standards, and constraints of your business. The examples below illustrate typical scopes and do not cover the full extent of our expertise.

Automotive

We support IoT projects involving vehicles, test benches, and associated infrastructure to better track usage, optimize maintenance, and enhance system security and performance.

Aeronautics, Space, and Defense

Our IoT experts contribute to equipment monitoring systems, operational traceability, and ground-to-air chain optimization in environments subject to stringent safety and reliability requirements.

Hélicoptère militaire en vol stationnaire, porte latérale ouverte, avec un soldat descendant en rappel le long d'une corde, sous un ciel nuageux.

Defense

Our IoT experts work on projects aimed at improving situational awareness, equipment monitoring, and communication security, while adhering to strict confidentiality and resilience requirements.

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Energy

We implement IoT architectures to manage infrastructure, track flows, optimize energy consumption, and integrate new production and storage assets.

Rail

Our IoT experts work on projects involving rolling stock and infrastructure monitoring, condition-based maintenance, and improving the quality of passenger services.

Industry 4.0

We help manufacturers connect machines, production lines, and utilities to make workshops more visible, predictive, and flexible, while integrating with existing industrial information systems.

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High-tech

We provide our IoT expertise to accelerate innovation: smart equipment, connected services, usage data collection, and remote feature updates.

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Professionnel de santé vêtu d'une blouse blanche et d'un stéthoscope rouge lisant un document à l'intérieur.

Medical

We support the development of connected devices, measurement data collection, and continuous monitoring between patients, equipment, and healthcare systems, all within a secure and compliant framework.

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Working in a different sector?

Speak with an IT Link expert to see how we can work with your teams to build IoT solutions tailored to your needs.
Contact us

IoT technologies, network, and infrastructure

The IoT architectures we design are based on a mature, sustainable, and agnostic technological foundation. We are not tied to any proprietary solution: we build the stack best suited to your constraints.

Networks and communication

Choosing connectivity is a constant trade-off between speed, range, and battery life. We select and combine the protocols:

  • ‍LPWAN (Low Power) : LoRaWAN, Sigfox, NB-IoT, or LTE-M for battery-powered sensors requiring long range.
  • High speed: 4G/5G for video streams or critical real-time applications.
  • Local & Industrial : Wi-Fi 6, BLE, Zigbee, and Thread for indoor use, as well as fieldbuses (Modbus, CAN, Profinet, OPC-UA) to interface with your existing PLCs.
Gros plan d'une micropuce montée sur un circuit imprimé bleu avec traces et points de soudure visibles.

Connected objects and embedded electronics

We go beyond assembly: we design the intelligence of your devices.

  • ‍Hardware : Integration of microcontrollers (ST, NXP, Renesas) and design of ruggedized electronic boards to withstand shock, vibration, and extreme temperatures.‍
  • Firmware : Optimized low-level development (C/C++, Rust) to ensure precise power management (Deep Sleep modes) and guarantee years of battery life.
  • ‍Edge AI : Local data processing capability to minimize cloud transmission.
Long couloir dans un centre de données bordé de racks de serveurs noirs éclairés par des lumières bleues sous un plafond grillagé équipé de lumières vives.

Platforms, systems, and data monetization

The value of IoT lies in leveraging data, not just transporting it.

  • Cloud Architecture: Deployment on industry-standard platforms (Azure IoT, AWS IoT Core, Google Cloud) or on private infrastructure (On-Premise) using containerized architectures (Docker/Kubernetes).
  • Business Applications: Custom web and mobile interface development for monitoring, with seamless API integration into your information systems (ERP, CMMS, CRM) to facilitate rapid decision-making.
Gros plan sur des brins de fibre optique bleus émettant de la lumière avec des reflets bokeh circulaires sur un fond sombre.

Device-to-Cloud Security

We apply a "Zero Trust" security policy to protect the entire chain.

  • Device protection: Secure Boot, encrypted key storage, and certificate-based authentication (PKI).
  • Data protection: End-to-end encryption (TLS/DTLS) and private networks (dedicated APN).
  • Maintenance: Secure remote software update mechanisms (OTA) to address potential vulnerabilities throughout the product's lifecycle.
Personne pointant d'une main le code affiché sur l'écran d'un ordinateur de bureau tout en tapant de l'autre main sur le clavier.

Turn your data into a growth driver

The success of an IoT project depends not only on technology, but on the ability to integrate it into your business reality. Whether you want to audit an existing solution, launch a new connected product, or modernize your industrial tools, IT Link is your technology partner.
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