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Thread – low-power mesh protocol designed for battery-powered devices, which Matter uses as one of its supported transport layers; Zigbee and Z-Wave – wireless mesh protocols for home automation, can be used with Matter and a compatible bridge; Amazon Alexa – Amazon's smart assistant and home control system; HomeKit – Apple's smart home ...
Thread is an IPv6-based, low-power mesh networking technology for Internet of things (IoT) products. [1] The Thread protocol specification is available at no cost; however, this requires agreement and continued adherence to an end-user license agreement (EULA), which states "Membership in Thread Group is necessary to implement, practice, and ship Thread technology and Thread Group specifications."
The relationship between IEEE 802.15.4 and Zigbee [8] is similar to that between IEEE 802.11 and the Wi-Fi Alliance. The requirements for membership in the Alliance cause problems for free-software developers working with Zigbee because the annual fee conflicts with the GNU General Public Licence. [9]
Zigbee is an IEEE 802.15.4-based specification for a suite of high-level communication protocols used to create personal area networks with small, low-power digital radios, such as for home automation, medical device data collection, and other low-power low-bandwidth needs, designed for small scale projects which need wireless connection.
IEEE 802.15.4 protocol stack. Devices are designed to interact with each other over a conceptually simple wireless network.The definition of the network layers is based on the OSI model; although only the lower layers are defined in the standard, interaction with upper layers is intended, possibly using an IEEE 802.2 logical link control sublayer accessing the MAC through a convergence sublayer.
Weave works across multiple IPv6-bearing link technologies such as Ethernet, Wi-Fi, cellular, and Thread and has adaptations for Bluetooth Low Energy point-to-point wireless links. On December 19, 2019, Google stated that it had "joined Amazon , Apple , and the Zigbee Alliance to form the Connected Home over IP working group...
The Connected Home over IP project group was launched and introduced by Amazon, Apple, Google, [207] Comcast and the Zigbee Alliance on 18 December 2019. [208] The project is backed by big companies and by being based on proven Internet design principles and protocols it aims to unify the currently fragmented systems.
Inorganic LED - Flexible LED is commonly made into 25, 50, 100 m, or even longer strips using a roll-to-roll process. A long neon LED tube is using such a long flexible strip and encapsulated with PVC or silicone diffusing encapsulation. Organic LED (OLED) - OLED for foldable phone screen is adopting roll-to-roll processing technology.