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NABU CASA - Home Assistant Yellow Smart Home Kit (with PSU)




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Home Assistant Yellow is your Matter-ready, upgradeable, and extendable smart home hub. You won't need anything else.

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Our take on Home Automation

The foundation of your smart home needs to be local and private. Home Assistant Yellow is that foundation.

Home Assistant Yellow is Matter-ready, upgradable, and extendable. You won't need anything else.

To get started, just plug in the power supply and the Ethernet cable. The cables are included in the box. This variant does not have Power-over-Ethernet.

Yellow Kit with power supply

Some assembly required! This kit is almost the same as the flagship version. Custom enclosure, custom heat sink, and Ethernet cable included. Without the Raspberry Pi Compute Module 4.

Not included: You must provide your own Raspberry Pi Compute Module 4 and install Home Assistant on it. This allows you to pick the compute module with the memory and eMMC storage to fit your needs. This kit comes with a power supply, but does not support Power-over-Ethernet.

Features of Home Assistant Yellow Smart Home Hub

  • FAST - Compute Module 4 : Powered by the powerful Raspberry Pi Compute Module 4. Swap it out for a better one if you need more power in the future.
  • EXPANDABLE - M.2 Slot : Add a hard drive with terabytes of extra space.
  • CONNECTED - Zigbee & Thread: Comes with Zigbee out of the box. Thread to power your Matter network is coming soon.
  • READY - Zero Setup : Comes with Home Assistant.

Technical Specifications of Home Assistant Yellow Smart Home Hub

  • Carrier board for Raspberry Pi Compute Module 4 (CM4)
    • CM4 board-to-board connector
    • Supports direct boot from NVMe devices (e.g., for CM4 Lite)
    • 12 cm x 12 cm
    • Compatible with all 32 variants of CM4
      • Quad-core Cortex-A72 (ARMv8) 64-bit / 1.5 GHz
      • Up to 8 GB RAM
      • Up to 32 GB eMMC
      • Regulatory approval does not cover wireless variants
  • Integrated smart-home wireless (Silicon Labs MGM210P Mighty Gecko Module)
    • Supports Zigbee 3.0, OpenThread, and Matter
    • 2.4 GHz radio with TX power up to +20 dBm
    • 1024 KB flash program memory, 96 KB RAM data memory
    • Pre-installed with Zigbee 3.0 firmware (EZSP), can be upgraded
  • Expansion slot
    • For NVMe SSDs (M-Key)
    • M.2 socket M-Key
    • Supports 2230, 2242, 2260, and 2280 modules
    • PCIe x1
    • Note: Google Coral AI Accelerator doesn't work in the expansion slot. For details, see this issue
  • Gigabit Ethernet
  • 2 x USB 2.0 Type-A host port
  • 1 x USB-C 2.0 device port (Silicon Labs CP2102N USBXpress USB bridge)
    • UART mode (default): debug USB-to-serial adapter
    • USB mode: CM4 USB 2.0 interface for USB recovery
  • High-quality stereo audio DAC
    • 2 V RMS line-out on 3.5 mm audio jack
    • SNR 106 dB
  • 2 x Push button
    • Red: Factory reset
    • Blue: To be determined
  • RTC backed by CR2032 battery
  • Status LEDs (can be powered off during regular operation)
    • Red: Power
    • Green: Disk usage
    • Yellow: Home Assistant system state
  • Power
    • 12 V / 2 A through barrel DC power jack (5.5 mm x 2.1 mm)
    • Ethernet: PoE+ IEEE 802.3at-2009 Class 3 or 4 (selectable via jumper)
    • Typical power usage
      • Idle ~1.5 W
      • Idle with NVMe ~2.5 W
      • Load ~5-9 W
  • Enclosure
    • 123 mm x 123 mm x 36 mm
    • Translucent injection-molded polycarbonate plastic
    • Tool-free assembly
    • Accommodates custom heat sink (included)