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Matter originated in December 2019 as the Project Connected Home over IP (or CHIP for short) working group, founded by Amazon, Apple, Google and the Zigbee Alliance, now called the Connectivity Standards Alliance (CSA). [3] [5] Subsequent members include IKEA, Huawei, and Schneider. [8] [9] Version 1.0 of the specification was published on 4 ...
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]
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 basic materials needed to construct e-textiles, conductive threads, and fabrics have been around for over 1000 years. In particular, artisans have been wrapping fine metal foils, most often gold and silver, around fabric threads for centuries. [3] Many of Queen Elizabeth I's gowns, for example, were embroidered with gold-wrapped threads.
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.
The Connected Home over IP project group was launched and introduced by Amazon, Apple, Google, [207] Comcast and the Zigbee Alliance on December 18, 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.
Tweed is a type of fabric using the twill weave. twill tape Twill tape is a flat twill-woven ribbon of cotton, linen, polyester, or wool. twill weave Twill is a type of fabric woven with a pattern of diagonal parallel ribs. It is made by passing the weft threads over one warp thread and then under two or more warp threads.
Historically, the metallic thread was constructed by wrapping a metal strip around a fiber core (cotton or silk), often in such a way as to reveal the color of the fiber core to enhance visual quality of the decoration. [5] Ancient textiles and clothing woven from wholly or partly gold threads is sometimes referred to as cloth of gold.
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