Universal solution for complex building automation projects with AABoard Combo

The AABoard Combo is a universal IO and communication module that provides complete functionality for system integrators. Compatible with OpenHAB, HomeAssistant and PLC systems – with full programming support and up to 30-50% cost savings!

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Professional consultation and partnership

Our expert team helps you choose the right solution

AABoard Combo professional advantages for system integrators

The AABoard Combo is a universal IO and communication module that provides complete functionality for professional building automation systems. Compatible with OpenHAB, HomeAssistant, PLC and other industrial systems.

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Wide Platform Support

Compatible with OpenHAB, HomeAssistant, PLC systems. MQTT support coming soon

Cost Optimization

Single device replaces up to 6 different modules, resulting in significant CAPEX savings

Industrial Protocols

Modbus RTU/TCP, DMX-512, RS232/485, 1-Wire, HTTP. Modbus Slave function coming soon

Industrial Reliability

Overvoltage protection, galvanic isolation and hardware designed for 24/7 operation

Compact Design

DIN rail mounting, optimized space utilization, suitable for industrial environments

Vendor Independence

Not tied to any single manufacturer, freely selectable control system

Modular Structure

Project-specific configuration, scalable solutions for small and large systems

Programming Support

Complete configuration and programming services, SDK and API documentation

AABoard Combo

Universal solution for complex projects with AABoard Combo

The AABoard Combo is a universal IO and communication module that provides complete functionality for professional building automation systems. An optimized solution for system integrators with up to 30-50% cost savings!

Professional Integration

Native compatibility with OpenHAB, HomeAssistant and PLC systems

Complete Protocol Support

Modbus RTU/TCP, DMX-512, RS232/485, 1-Wire, HTTP and MQTT coming soon


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Technical Specifications and Protocol Implementation

The AABoard Combo meets all professional automation requirements with industrial-grade hardware solutions and comprehensive protocol support

1-Wire Sensor Network

DS18B20 temperature sensor support with 12-bit resolution (-55°C...+125°C). Read up to 100 sensors simultaneously with parasitic power mode.

Modbus RTU/TCP Master

Complete Modbus implementation. RTU: RS485, 1200-115200 baud, 8N1/8E1/8O1. TCP: Ethernet, port 502. Slave function coming soon.

DMX-512 Output

Professional DMX output port with 512 universes. 40Hz refresh rate, EIA-485 electrical interface, galvanic isolation.

4CH PWM Controller

4-channel PWM output with 16-bit resolution. 0-10V or 0-24V operating mode. 1kHz PWM frequency, direct RGBW LED strip control.

RS232/485 Interface

Galvanically isolated serial ports. RS485: 2-wire/4-wire, 120Ω termination. RS232: full modem control signal support.

HTTP REST API

RESTful web service with JSON responses. WebSocket for real-time data transfer. Basic Auth and API key support, OpenAPI documentation.

PWM vs DMX: Technology Choice Project-Specific

The AABoard Combo natively supports both technologies, allowing system integrators to choose the most optimal solution project-specifically.

PWM Application Areas
  • Smaller systems, direct LED control
  • Residential and small commercial projects
  • 16-bit resolution for precise dimming
  • Simpler wiring, lower CAPEX
DMX Application Areas
  • Larger commercial and industrial projects
  • 512 channels, long distances
  • Professional lighting technology
  • Compatibility with stage lighting devices
PWM vs DMX technology comparison

System Scalability and Integration

The AABoard Combo's modular architecture enables project-specific configuration and horizontal scaling in larger systems.

Modular Architecture

Start with basic configuration and expand as needed. Every function can be configured and tested independently.

Horizontal Scaling

Network connection of multiple AABoard Combo modules. Central management software for larger systems.

Future-proof Technology

Firmware updates with new features. MQTT and additional protocol support under continuous development.

CAPEX/OPEX Optimization

ROI optimization through phased implementation and precise project sizing. Minimal operating costs.

Network Topologies

Support for star, mesh and hybrid network configurations. VLAN and QoS settings for industrial environments.

Development Support

SDK, API documentation and sandbox environment. Custom programming and integration services available.

Professional Application Areas

The versatility of the AABoard Combo proves its value in numerous industrial and commercial areas in system integrator projects

Smart Building Systems

Complex building automation with HVAC, lighting and security systems. OpenHAB/HomeAssistant integration, energy monitoring and predictive maintenance implementation.

Commercial Building Management

Automation of larger office complexes. DMX world-class lighting technology, Modbus HVAC integration and central BMS system via HTTP API.

Industrial Automation Integration

Integration of manufacturing processes and SCADA systems. Modbus communication with PLCs, data collection and real-time monitoring implementation.

Retail and Hospitality

Complex automation of commercial facilities. Dynamic lighting management, ambient control and customer experience enhancement technologies.

Our partners' opinion about the AABoard Combo module

The AABoard Combo has already proven its reliability and cost-effectiveness in numerous professional building automation projects. Our system integrator partners continuously use our solutions.

The AABoard Combo modules provide perfect integration with our OpenHAB system. The Modbus communication is flawless, and we achieved significant project cost savings.
As a system integrator, I appreciate the expert support from the Greewer team and the flexible programmability of the AABoard Combo modules. A reliable partner in all our projects.
The DMX and Modbus combination provided an ideal solution for our complex building automation project. The technical documentation is exemplary and the professional support is excellent.