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76 lines
3.3 KiB
Markdown
76 lines
3.3 KiB
Markdown
---
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title: Home Assistant Connect ZBT-2
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created: 2026-05-10
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updated: 2026-05-10
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type: entity
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tags: [hub, zigbee, thread, matter, smart-home, iot]
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confidence: high
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---
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# Home Assistant Connect ZBT-2
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> Nabu Casa's official Zigbee + Thread coordinator dongle for Home Assistant. Plugged into [[panda]], serves as the primary Zigbee and Thread border router for the smart home.
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## Overview
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| Field | Value |
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|-------|-------|
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| **Manufacturer** | Nabu Casa |
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| **Model** | Home Assistant Connect ZBT-2 |
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| **Serial** | E072A1DC134C |
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| **Host** | [[panda]] (plugged into USB) |
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| **Protocols** | Zigbee 3.0 + Thread (IEEE 802.15.4) |
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| **HA Integration** | ZHA (Zigbee) + Thread (OpenThread Border Router) |
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## Role in the Smart Home
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The Connect ZBT-2 is the **primary coordinator** for all Zigbee and Thread devices in the home. It provides:
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1. **Zigbee Coordinator** — via ZHA integration, manages the Zigbee mesh network
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2. **Thread Border Router** — via Thread integration, provides IP connectivity for Thread devices
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3. **Matter Controller** — via Matter integration, commissions and controls Matter devices over Thread
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## Zigbee Devices (via ZHA)
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All Zigbee devices are paired directly to the Connect ZBT-2 coordinator:
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| Device | Location | Model | Type |
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|--------|----------|-------|------|
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| Aqara Door/Window Sensor | Rooftop | Aqara Door and Window Sensor | [[sensor]] |
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| Aqara Vibration Sensor T1 | Rooftop | Aqara Vibration Sensor T1 | [[sensor]] |
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| Aqara Motion Sensor P1 | Living Room | Aqara Motion Sensor P1 | [[sensor]] |
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| Aqara Light Switch H2 US | Baby Room | Aqara Light Switch H2 US | [[actuator]] |
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| Aqara Light Switch H2 US | Front Door | Aqara Light Switch H2 US | [[actuator]] |
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| Aqara Light Switch H2 US | Entrance | Aqara Light Switch H2 US | [[actuator]] |
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| Aqara Light Switch H2 US | 1st Floor | Aqara Light Switch H2 US | [[actuator]] |
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| Aqara Colorful Ceiling Light 36W | Baby Room | Colorful Ceiling Light 36W | [[actuator]] |
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| Aqara Smart Lock U100 | Front Door | Aqara Smart Lock U100 | [[actuator]] |
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| IKEA STARKVIND | — | STARKVIND Air purifier | [[actuator]] |
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## Thread Network
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The Connect ZBT-2 runs an OpenThread Border Router, creating a Thread network that:
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- Provides IP connectivity to Thread-only devices
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- Acts as a Matter fabric gateway
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- Shares Thread credentials with other border routers (e.g., Apple TV, Nest Hub) for mesh redundancy
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## Multi-Fabric Position
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In the [[matter-multi-fabric]] architecture, the ZBT-2 serves as:
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- **HA's Matter fabric controller** — primary commissioning point for new Matter devices
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- **Thread credential source** — other border routers should join this Thread network
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- **Zigbee bridge** — exposes Zigbee devices to Matter via HA's Matter Bridge feature
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## Relationships
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- Connected to [[panda]] via USB
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- Controls all Zigbee devices in the home
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- Provides Thread connectivity for [[matter-multi-fabric]]
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- Complements [[aqara-hub-m3]] (which bridges Aqara-specific devices via Matter)
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## Notes
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- Thread credentials should be shared with [[aqara-hub-m3]] and Apple TV to ensure a single unified Thread mesh
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- If adding more Thread border routers, export credentials from this OTBR and import them
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- The ZBT-2 is a dual-protocol radio — Zigbee and Thread cannot run simultaneously on the same radio; HAOS handles multiplexing
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