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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.
ACP-131 [1] is the controlling publication for the listing of Q codes and Z codes. It is published and revised from time to time by the Combined Communications Electronics Board (CCEB) countries: Australia, New Zealand, Canada, United Kingdom, and United States.
The Air Quality Egg (AQE) is an Internet of Things platform and hobbyist device for crowdsourced citizen monitoring of airborne pollutants. The device won widespread recognition when it was named one of the best projects on Kickstarter in 2012, [ 1 ] and has been featured in a variety of media outlets. [ 2 ]
OBD-II PIDs (On-board diagnostics Parameter IDs) are codes used to request data from a vehicle, used as a diagnostic tool.. SAE standard J1979 defines many OBD-II PIDs. All on-road vehicles and trucks sold in North America are required to support a subset of these codes, primarily for state mandated emissions inspections.
A discrete transponder code (often called a squawk code) is assigned by air traffic controllers to identify an aircraft uniquely in a flight information region (FIR). This allows easy identification of aircraft on radar. [6] [7] Codes are made of four octal digits; the dials on a transponder read from zero to seven, inclusive. Four octal digits ...
On 19 February 2024, Houthi rebels in Yemen shot down a US Air Force MQ-9 over the port city Al Hudaydah amid the attacks on U.S. bases in Iraq and Syria. [93] On 25 April 2024, Houthi rebels shot down a US MQ-9 over the Saada Governorate in Yemen. [94] The US Air Force acknowledge that an MQ-9 crashed in Yemen, and that an investigation was ...
KNX universal light dimming actuator with two channels KNX-Transceiver-Board by Elmos. KNX is an open standard (see EN 50090, ISO/IEC 14543) for commercial and residential building automation.
In recent years, more functionality has been added to ADCPs (notably wave and turbulence measurements) and systems can be found with 2,3,4,5 or even 9 beams. Further components of an ADCP are an electronic amplifier , a receiver , a clock to measure the traveling time, a temperature sensor , a compass to know the heading, and a pitch/roll ...