Matter & Thread: the place we’re at

Lots is occurring in Dwelling Assistant round Matter and Thread. It may be exhausting to maintain monitor of all of it, so we wished to take a second to put in writing an replace on the present state, and what we’re planning subsequent.


  • Matter works, together with Thread gadgets by way of Thread border routers from Apple and Google.
  • The Thread border router in Dwelling Assistant is operational however not built-in till the subsequent launch, Dwelling Assistant 2023.3.
  • We’ve expanded the documentation for Matter and Thread to cowl most requested questions and embrace movies on the right way to add Matter gadgets to Dwelling Assistant.
  • Customers utilizing a Dwelling Assistant Yellow hub can allow an experimental Thread border router.
  • Customers on different programs can get a Thread Border Router utilizing a Dwelling Assistant SkyConnect.
  • Asserting SL Internet Instruments. It permits customers to make use of their browser to replace Zigbee/Thread sticks primarily based on SiLabs chips, just like the Dwelling Assistant SkyConnect.
  • We’re open sourcing our automated construct scripts to create reproducible firmware builds for Zigbee/Thread sticks primarily based on SiLabs chips.


Matter is a brand new sensible dwelling customary which works domestically. Its first launch was on the finish of final yr, and is within the means of being adopted all through the business. We’ve been working exhausting on making it work with Dwelling Assistant.

At the moment Dwelling Assistant can management the fundamental operation of most Matter gadgets. You’ll be able to add each Wi-Fi and Thread primarily based gadgets, and the commonest gadget sorts work. Matter bridges don’t work but – this will probably be added in Dwelling Assistant 2023.3.

The Matter implementation in Dwelling Assistant is constructed on-top of the open supply Matter SDK developed by members of the Connectivity Requirements Alliance (CSA). This is similar SDK that powers Matter for Google and Apple merchandise. As a member of this alliance, we’re collaborating to additional enhance this Matter SDK making it a stable base for our Matter assist.

Along with this weblog publish, we’ve launched an enormous replace to our Matter documentation. We now have added directions with accompanying movies on the right way to pair Matter gadgets with Dwelling Assistant and the right way to share Matter gadgets from Apple Dwelling/Google Dwelling to Dwelling Assistant.


Thread is a low-power mesh networking customary which permits customers to attach their gadgets inside a house community. It makes use of the identical RF know-how as Zigbee however offers IP connectivity just like Wi-Fi. Matter helps Thread as a connectivity choice for low-power and battery-operated gadgets.

Along with this weblog publish, we’ve launched an replace to our Thread documentation. We clarify the completely different components that make up a Thread community and how one can create one at dwelling.

Screenshot of a Google prompt if Home Assistant can access network credentials.
Google Android asks if you wish to share their Google Thread credentials with Dwelling Assistant.

As customers purchase extra merchandise with Thread of their dwelling, they could find yourself with a number of Thread networks. Since a Thread gadget can solely talk with a single Thread community, you will need to be capable to unify your Thread networks.

The objective of the upcoming Dwelling Assistant Thread panel is to will let you handle your Thread networks and enable you to merge them right into a single one. That is accomplished in collaboration with the Dwelling Assistant Companion apps, permitting us to synchronize Thread networks between Apple/Google and Dwelling Assistant.

We’ve created a mockup of this panel that you may check out right here.

Screenshot of a Thread panel mockup.
Screenshot of the mockup for the Thread panel. Open mockup

{Hardware} to make use of Thread & Matter

Each Matter and Thread are applied sciences which can be coming into mainstream markets. There are numerous shifting components in each applied sciences. We’ve been relying closely on the work accomplished by Google, Apple, and different members of the CSA to make these applied sciences accessible to Dwelling Assistant customers (thanks!).

Google and Apple up to date their merchandise to assist Matter and Thread. Nonetheless, it is necessary that we will function independently. Dwelling Assistant Yellow and Dwelling Assistant SkyConnect embrace radio chips which can be able to operating Zigbee and Thread on the similar time. We’re engaged on making this multiprotocol assist accessible to all Dwelling Assistant customers.

Dwelling Assistant Yellow

Dwelling Assistant Yellow is our tackle an ideal dwelling automation hub. It’s powered by a Raspberry Pi Compute Module 4 (CM4), which you’ll be able to improve if you’d like extra reminiscence. And should you run out of storage, it has house to plug in a tough drive. And it’s open {hardware}.

Overview of Home Assistant Yellow features.

For radio connectivity, it features a module by Silicon Labs, which is about up out of the field, to supply Zigbee. With the most recent Dwelling Assistant 2023.2 launch, it’s attainable to show your Dwelling Assistant Yellow right into a Thread border router. This may be accomplished by enabling our experimental multiprotocol assist in Settings -> {Hardware} and by clicking Configure.

At the moment, it isn’t attainable to disable multiprotocol assist as soon as enabled. We will probably be providing a technique to disable multiprotocol assist quickly, permitting customers to rollback in the event that they run into points.

The Dwelling Assistant Yellow was initially crowd funded in October 2021. We’ve been busy with manufacturing and final month have fulfilled all unique backers and many of the pre-orders.

That’s why at this time, we’re completely happy to announce that will probably be our first distributor, outdoors of Crowd Provide, to begin promoting the Dwelling Assistant Yellow. They’ve already been produced and are at the moment on a ship on their technique to them. All variants may be pre-ordered on their web site.

Extra distributors will observe as quickly because the chip scarcity permits!

Dwelling Assistant SkyConnect

Dwelling Assistant is about selection. You’re not restricted to operating it on official {hardware}, you possibly can carry your individual. In reality, Raspberry Pi gadgets are by far the preferred platform to run Dwelling Assistant on, however there’s a catch: they lack any sensible dwelling radio connectivity.

We created the Dwelling Assistant SkyConnect to supply the lacking sensible dwelling connectivity. It accommodates a chip from the identical household because the Dwelling Assistant Yellow. It’s set out of the field to supply Zigbee. With the most recent Dwelling Assistant 2023.2 and when utilizing Dwelling Assistant OS, it’s attainable to show your Dwelling Assistant SkyConnect right into a Thread border router. This may be accomplished by enabling our experimental multiprotocol assist in Settings -> {Hardware} and by clicking Configure.

Picture of a Home Assistant SkyConnect.

Dwelling Assistant SkyConnect was launched on the finish of 2022 by way of our distributor community (hit “purchase” on our web site). Many distributors offered out immediately however most ought to be receiving new inventory quickly.

Along with at this time’s weblog publish, we’ve pushed an enormous replace to the SkyConnect documentation web site, together with tutorials on the right way to migrate from a unique Zigbee stick.

SiLabs multi-flasher & SL Internet Instruments

It’s our mission to construct the Open Dwelling: a wise dwelling that gives privateness, selection, and sturdiness. A part of our efforts is to construct tooling that helps different creators to make initiatives and merchandise to assist additional the Open Dwelling trigger.

As a part of this effort, two years in the past, we constructed ESP Internet Instruments. It revolutionized the DIY firmware world by permitting any ESP32/ESP8266 challenge to supply a straightforward net installer on their homepage, permitting customers to get began immediately from their browser. It has been adopted by all the good initiatives, together with Tasmota, WLED, and ESPresense. Ever because the introduction of ESP Internet Instruments, we have now wished to increase this to extra gadgets.

At the moment we’re asserting SL Internet Instruments. It permits customers to handle the firmware on Zigbee/Thread sticks utilizing SiLabs chips immediately from their browser, no terminals or compilation vital. This permits any creator to supply simple firmware updates to their customers and make experimental updates accessible to check bug fixes shortly.

To see it in motion, SL Internet Instruments has been added to the Dwelling Assistant SkyConnect documentation.

SL Internet Instruments is powered by our new open supply Python package deal silabs-universal-flasher. We run this within the browser utilizing Pyodide.

Constructing firmware for Silicon Labs chips

It may be a ache to compile firmware for SiLabs chips. It’s exhausting to trace completely different variations, your patch units, and completely different chips. We’re followers of automation, so we have now created an automatic construct system to create reproducible firmware builds for the Dwelling Assistant Yellow and Dwelling Assistant SkyConnect.

We’re open sourcing this to make it simpler for different creators to supply their customers with up-to-date firmware. Together with SL Internet Instruments, we provide a whole package deal that empowers different creators to supply their customers with the most recent firmware updates.

Discover the repository on GitHub.

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