Add-On Boards & System Expansion Modules
Enhancing core processing power with modular, high-precision expansion hardware designed to bridge the gap between standard platforms and industrial reality.
Service Overview
Standard computing platforms are excellent for general processing, but they often lack the specialized interfaces required for industrial-grade sensing and control. RowanTek’s Add-On Boards and System Expansion Modules are engineered to provide this missing link. We specialize in developing “Hardware Attached on Top” (HAT) and stackable PCB modules that transform basic Single Board Computers (SBCs) into powerful, field-ready industrial controllers.
Our modular philosophy allows for rapid scaling and flexible system architecture. Instead of redesigning a complex motherboard every time a new sensor or communication port is required, our expansion modules allow you to “plug-and-play” the specific capabilities you need. From high-voltage battery monitoring to isolated industrial telemetry, our add-on boards are built with the same mixed-signal precision and “hardened” engineering found in our flagship platforms.
Converting developer-grade platforms like the Raspberry Pi or NXP i.MX boards into industrial-compliant products through ruggedized I/O expansion.
High-density analog and digital sensor modules featuring isolated ADCs, DACs, and precision signal conditioning for laboratory-grade field sensing.
Adding specialized, protected communication layers—including isolated RS485, CAN bus, LoRaWAN, and Industrial Ethernet—to existing core processors.
Industrial HATs & SBC Shields
In the transition from a laboratory prototype to a commercial product, the weakest link is often the interface. RowanTek specializes in designing Industrial HATs and Shields that provide the necessary “Industrial Hardening” for standard 40-pin and custom headers. Our designs, such as the MxS-HAT, integrate essential analog-to-digital converters and industrial sensor interfaces directly into the SBC ecosystem. We manage the mechanical constraints and thermal dissipation requirements to ensure that your expansion hardware is as durable as the core processor it supports.
Modular Mixed-Signal Expansion
Complex systems often require more I/O than a single board can provide. Our Modular System Expansion services focus on creating stackable or bus-connected modules that expand your system’s “nervous system.” We specialize in high-resolution data acquisition boards that handle sensitive signals with extreme fidelity. By offloading signal conditioning and conversion to a dedicated expansion module, we prevent digital noise from the main CPU from contaminating your sensor data, ensuring scientific-grade accuracy across dozens of channels.
Hardened Communication Modules
Connecting a device to an industrial network requires robust protection against ground loops, surges, and EMI. RowanTek designs Communication Expansion Modules that act as a secure gateway for your data. We integrate galvanic isolation and TVS-based protection into every communication brick, whether it’s an isoDIN-AO digital input module or a multi-port RS485/isoCAN shield. Our modules ensure that your core processor is electrically decoupled from the harsh industrial environment, providing a reliable telemetry path for critical infrastructure monitoring.
Who this Service is for?
This service is a vital resource for B2B System Integrators, Industrial Automation Engineers, and IoT Startups who need to customize a standard platform for a highly specific niche. It is for the project team that has a proven software stack running on a Raspberry Pi or NXP board but needs to add Isolated Digital Inputs, 4-20mA loops, or High-Voltage sensing to make it market-ready.
We specifically serve Smart City developers, Telecommunications providers, and Green Energy operators who need to add “one more feature” to their existing deployments without a total system overhaul. It is for the engineer who needs to daisy-chain 48 battery cells for a BMS, the researcher who needs to sync 16 vibration sensors in a factory, and the product manager who wants to modularize their product line to offer different features at different price points using a single core processor.
Why Choose RowanTek Add On-Boards and System Expansion?
✔ Seamless Mechanical Integration
We design for the “stack.” Our modules are engineered to fit perfectly with standard enclosures and headers, featuring precision 3D modeling for zero-clearance errors.
✔ Field-Proven Architectures
Our expansion modules are based on the same technology used in our MxS-RTDSC and SMVect-PA platforms, proven in thousands of hours of industrial field operation.
✔ Nature-Inspired Scalability
Just as a tree grows new branches to reach the sun, our modules allow your system to grow and adapt to new requirements without losing its core strength.
Development and testing
RowanTek follows a modular lifecycle to ensure that every expansion board enhances the system’s overall reliability:
Bus & Interface Definition: We determine the optimal communication path (I2C, SPI, or PCIe) to ensure high-speed data transfer between the core and the add-on.
Layout & Isolation Strategy: Designing the PCB to maximize signal integrity while implementing the necessary “hardened” protection for industrial environments.
Address & Daisy-Chain Validation: For stackable modules, we verify that hardware addressing and bus loading remain stable even at maximum capacity.
Peripheral Driver Support: We deliver pre-validated firmware drivers and SDKs, ensuring your software team can access the new I/O immediately.
Environmental Stress Testing: Validating that the stacked system can handle thermal buildup and mechanical vibration in real-world industrial settings.
