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💾 SD-Card Installation Guide NoticeThe direct SD-card installation method is temporarily unavailable for the latest OS images. Workaround: If you must use an SD card, you can flash an older compatible image first, boot the device, and perform an OTA update to ...

Your SMHUB can be updated or restored in three different ways: OTA (recommended) – simple updates directly from the Web Interface Type-C Cable – full recovery if the device doesn’t boot via computer SD-Card – full recovery if the device doesn’t ...

Zigbee Hub mode has the ability to connect to local or remote MQTT brokers. Currently only TCP connections are supported.This document describes MQTT API for SLZB-OS 3.0.9 or higher Topics are divided into IN and OUT.IN - you can send messages to these topi...

The following guide explains how to enable Thread networking on your SMLIGHT SMHUB device.This process involves updating the operating system, flashing Thread firmware to the radio module, and installing the OpenThread Border Router (OTBR) app. ⚠️ Note: Thi...

The company is developing its own Linux-based platform for smart hubs and IoT devices SMHUB-OS - an example of device running that platform is here: https://smlight.tech/global/smhub.The system combines an embedded Linux core, backend services, and a web inter...

SMLIGHT develops cutting-edge smart home and IoT hardware, including Zigbee, Matter, and multi-radio hubs, smart LED controllers, and modular Wi-Fi devices.Our devices run platforms such as ESPHome, Linux-based SMHUB-OS, SLZB-OS and custom firmware, ensuring f...

📦 v3.3.3.dev1 - Release Notes Improvements Experimental support for SLZB-OS configuration backup/restore Optimized the processing speed of SSE messages Added a button to copy the device log Added autocomplete for TIMER module SUN module redesigned docu...

This guide explains how to connect any SMHUB Series device to Home Assistant using Zigbee2MQTT. Requirements Any SMHUB model (Essential, Premium, Nano, etc.) Home Assistant running in your network Minimum SMHUB firmware: smhub-os ≥ 0.3.7...

This guide explains how to run an OpenThread Border Router (OTBR) on SMHUB and connect it to Home Assistant for Matter-over-Thread devices. Requirements Hardware Any SMHUB model (Essential, Premium, Nano, etc.) Firmware & apps (tested on) sm...

Tailscale on SMHUB (Quick Setup Guide) Applies to all SMHUB models: Professional, Essential, Nano Mg24 Tested with: SMHUB-OS v0.3.10 smhub-services v0.2.7 smhub-web v0.2.23 Tailscale app v1.78.1-2 1. Install Tailscale Open App...

Microphone addon Z-Wave, POE, 4G/LTE

How to open device Prepare a flat, thin tool. This can be a small screwdriver. Insert the tool from above, between the Type-C port and the case. Carefully pull the top cover forward using the tool, leaning against the Type-C Carefully pull off the top an...

SLZB ESPHome Firmware Flashing Guide for SLZB-Ultima, MRxU and 06xU Open SLZB-ESPHome repository: https://github.com/smlight-tech/slzb-esphome Download the firmware file that matches your device: SLZB-Ultima → ultima-r1-04xx SLZB-MRxU serie...

General information The SLZB-OS operating system has several API channels: HTTP, SSE and MQTT. When using any of these channels, it is not recommended to send more than one request per second.A large number of requests per second can slow down the coordinato...

EFR32 IEEE Address change  Minimum firmware requirements for this change: smhub-os: 0.3.11 (prod) or 0.9.3 (dev) smhub-services: 0.2.8-1 smhub-web: 0.2.24-1 Stop all applications using the EFR32 SoC, including internal apps on SMHUB (e.g. Zigbee2MQT...

Addon setup Flash the Thread firmware. Please follow this manual for device update instructions https://smlight.tech/support/manuals/books/slzb-07pxmgx/page/device-update Install the OTBR addon into your Home Assistant OS (HAOS) If your HA is installed in...

General information This feature is supported only by "U" series devices and SLZB-Ultima(CPU model: ESP32S3) USB to Ethernet passthrough mode allows connecting a USB device to your coordinator USB port (directly or via a USB hub) and using such USB devices r...

Thread setup for Home Assistant: two options SLZB devices support two ways to run a Thread network with Home Assistant: Option A - “Thread to remote OTBR”: OTBR runs on Home Assistant (OTBR add-on, or, since Jan-2026, called "App"), SLZB works as a Thread ...

WHAT IS VPN WIREGUARD This is a feature of SLZB-OS that allow them to connect to remote Home Assistant / Zigbee2MQTT server through secure VPN tunnel without any additional hardware. WireGuard is an extremely simple yet fast and modern VPN that utilizes sta...

🎛️ SMHUB Peripheral Control Guide IR • Buzzer • WS2812 (Ambilight) This page documents how to control SMHUB peripherals via CLI (recommended) and IPC (advanced). 🌈 WS2812 LED Control (Ambilight) Daemon: smhub-ambilight-daemonCLI: smhub-ambilightctlSocket...