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2. Matter (standard) - Wikipedia

   en.wikipedia.org/wiki/Matter_(standard)

   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 ...

3. Thread (network protocol) - Wikipedia

   en.wikipedia.org/wiki/Thread_(network_protocol)

   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."

4. Comparison of 802.15.4 radio modules - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_802.15.4...

   Zigbee PRO stack: EmberZNet PRO ZICM3588SP0 SiLabs EM3588 [18] 32 bit, ARM Cortex -M3: 64 kB 512 kB PCB Trace Antenna or U.FL connector: 2.4 μA 44 mA 30 mA 8 dBm –100 dBm 23.9 mm × 16.6 mm Mar, 2014 UART, SPI, I²S: CEL Zigbee Stack Synapse SNAP Stack Digi International: Series 1 XBee [19] Freescale MC13193 [20] 8-bit 689S08A HCS08: 4 kB 60 kB

5. IEEE 802.15.4 - Wikipedia

   en.wikipedia.org/wiki/IEEE_802.15.4

   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.

6. Zigbee - Wikipedia

   en.wikipedia.org/wiki/Zigbee

   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.

7. Connectivity Standards Alliance - Wikipedia

   en.wikipedia.org/wiki/Connectivity_Standards...

   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]

8. List of valves - Wikipedia

   en.wikipedia.org/wiki/List_of_valves

   The inside of an extremely large butterfly valve Duplex ball valve Three check valves in corrosion-resistant Hastelloy Stainless steel gate valve. Valves can be categorized into the following types, based on their operating mechanism: Ball valve, for on–off control without pressure drop. Ideal for quick shut-off, since a 90° turn completely ...

9. Z-Wave - Wikipedia

   en.wikipedia.org/wiki/Z-Wave

   Z-Wave is a wireless communications protocol used primarily for residential and commercial building automation. It is a mesh network using low-energy radio waves to communicate from device to device, [2] allowing for wireless control of smart home devices, such as smart lights, security systems, thermostats, sensors, smart door locks, and garage door openers.