www.lesswrong.com/posts/eoFuko87vWhARSCNE/why-and-how-you-should-make-your-home-...
4 corrections found
Zigbee is the older one
This reverses the chronology: Z-Wave predates Zigbee, not the other way around.
Full reasoning
This sentence says Zigbee is older than Z-Wave. The historical record indicates the opposite.
- The Connectivity Standards Alliance says the Zigbee Alliance was formed in October 2002, and that the first Zigbee-based products launched in 2006.
- Official Z-Wave Alliance material states that Z-Wave devices made today still communicate with devices manufactured back in 2001.
So Z-Wave predates Zigbee; calling Zigbee “the older one” is incorrect.
2 sources
- The Alliance Celebrates 15 Years and A Decade of Standards - CSA-IOT
In October 2002, we formed ... The first Zigbee-based products launched in 2006.
- Z‐Wave Plug‐in for HS3
Z‐Wave devices manufactured today can still communicate with devices manufactured back in 2001.
There are two protocols, Zigbee and Z-Wave.
This is incomplete: Thread is also a smart-home low-power mesh protocol, so there are not only two such protocols.
Full reasoning
This sentence says there are only two relevant non-Wi‑Fi protocols here: Zigbee and Z-Wave. But Home Assistant’s own documentation says Thread is another low-power mesh networking standard for smart-home/IoT devices, and the Thread Group describes Thread as an IP-based mesh protocol designed specifically for smart homes.
That means the statement is factually incorrect as written: there are more than two such protocols.
Evidence:
- Home Assistant’s Thread documentation: “Thread is a low-power mesh networking standard for IoT devices.”
- The Thread Group: “Thread is an open, IP-based mesh networking protocol designed specifically for smart homes.”
So Zigbee and Z-Wave are important options, but they are not the only two protocols in this category.
2 sources
- Thread - Home Assistant
Thread is a low-power mesh networking standard for IoT devices.
- Thread in Homes
Thread is an open, IP-based mesh networking protocol designed specifically for smart homes.
Home Assistant will discover and offer to add all of them.
Home Assistant does not discover all Wi‑Fi devices on a network; its discovery features are limited to supported/compatible devices and services.
Full reasoning
This overstates what Home Assistant’s discovery system can do.
Home Assistant’s own documentation says its network discovery integrations scan for supported devices and services, not every Wi‑Fi device on your LAN. For example:
- The Zeroconf integration “will scan the network for supported devices and services.”
- The SSDP integration also “will scan the network for supported devices and services,” and says Home Assistant automatically detects compatible devices.
Home Assistant can discover many devices automatically, but not all Wi‑Fi devices. Unsupported devices, devices that do not advertise via supported discovery methods, or devices requiring manual/cloud setup will not simply be auto-added.
2 sources
- Zero-configuration networking (zeroconf) - Home Assistant
The Zero-configuration networking (zeroconf) integration will scan the network for supported devices and services.
- Simple Service Discovery Protocol (SSDP) - Home Assistant
The Simple Service Discovery Protocol (SSDP) integration will scan the network for supported devices and services. Home Assistant listens for these broadcasts to automatically detect compatible devices.
examples produced by a nonprofit that manages the development Home Assistant
The cited Home Assistant-branded adapters are not manufactured by the nonprofit itself; official product material says they are made by Nabu Casa, a commercial partner of the Open Home Foundation.
Full reasoning
This phrase says the example adapters are “produced by a nonprofit” that manages Home Assistant. But the official Home Assistant product materials identify Nabu Casa—a commercial partner of the Open Home Foundation—as the manufacturer/designer-builder of these devices.
For the Z-Wave example, the official Connect ZWA-2 page explicitly says:
- “Nabu Casa, a commercial partner of the Open Home Foundation, is the manufacturer of the Connect ZWA-2.”
For the Zigbee/Thread example, the ZBT-1 declaration of conformity likewise lists Nabu Casa, Inc. as the manufacturer.
So it is inaccurate to describe these examples as being produced by the nonprofit itself; they are official Home Assistant products made by Nabu Casa, which supports the nonprofit financially.
2 sources
- Home Assistant Connect ZWA-2 - Home Assistant
Who manufactures the Connect ZWA-2? Nabu Casa, a commercial partner of the Open Home Foundation, is the manufacturer of the Connect ZWA-2.
- EU CE Declaration of Conformity — Home Assistant Connect ZBT-1
Product name: Home Assistant Connect ZBT-1 (NC-ZBT-9710) ... Nabu Casa, Inc. ... manufacturer.