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SMHUB Early Adopter – Quick Start Guide

The SMHUB Early Adopter Version is the first public release of our multi-radio smart hub. It’s designed for early buyers who want to explore the platform before the full release.

What’s Already Installed (Ready to Use)

  • Zigbee2MQTT (for CC26XX or EFR32XX radios)

  • Mosquitto MQTT broker

  • Matterbridge

  • Node-RED

Hardware – Working Now

  • CC26XX radio

  • EFR32MGXX radio

  • 100 Mb Ethernet port

  • 12× WS2812B RGB LEDs (Ambilight effects)

  • eMMC storage

  • PoE module support (optional)

  • Z-Wave module support (optional)

Hardware – Present but Still in Development

  • Wi-Fi 6 (2.4 / 5 GHz) and Bluetooth (currently CLI only, UI support coming)

  • IR receiver and transmitter

  • USB ports: 2× USB-C (1 for power/upstream, 1 downstream), 1× USB-A

  • SD card slot

  • 3.5 mm audio jack

  • 4× Service LEDs

  • 3× Hardware buttons

  • Expansion connectors: UART, I²C, SPI, DIY pinouts

Updates & Roadmap

  • More hardware functions will be enabled gradually via SMHUB-OS updates.

  • New features will roll out continuously (but availability is not guaranteed).

  • Early adopters receive updates and improvements first.

Updating SMHUB Firmware

📅 As of 25 September 2025
Currently, Over-the-Air updates are not yet available. (Expected in the coming weeks.) For now, updates must be done with a USB Type-C cable.
👉 Updating is required to ensure proper operation.

Steps:

  1. Download the firmware package from the provided link (223Mb):  https://updates.smlight.tech/firmware/smhub/os/smhub_os_v0.1.2.zip 

  2. Install drivers from the drivers folder in the package (works with Windows).

  3. Connect SMHUB to your PC using a Type-C to Type-C cable. Use the upstream Type-C port (near the RJ45/Ethernet port).

  4. Run flash.bat from the firmware folder.

  5. Press the Reset button (top of the device, 3rd button from the right).

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  6. Wait ~2 minutes while flashing completes.

  7. The device will reboot automatically.

🔔 On first boot, the green Ambilight LEDs will glow for 1 minute to confirm success.

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Accessing the Web Interface

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On first boot, no apps are running. You must enable them.

Running Apps (Example: Zigbee2MQTT)

  1. Open the Apps tab.

  2. In Z2M app settings:

    • Choose your Zigbee chip:

      • ttyS1 → CC26XX SoC

      • ttyS2 → EFR32XX SoC

    • Configure MQTT broker if needed.

  3. Toggle:

    • Enabled → allows the app to run.

    • Start on boot → app starts automatically after reboot.

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  4. Reboot SMHUB (press Reset or power cycle).

  5. Once booted, open the Zigbee2MQTT tab – you’ll see the configuration page.

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You can repeat the same steps for:

  • Matterbridge

  • Node-RED

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Notes

  • The Settings tab is under development – more options will appear in future updates.

  • Once per day, device run 
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