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  2. HVAC control system - Wikipedia

    en.wikipedia.org/wiki/HVAC_control_system

    HVAC (Heating, Ventilation and Air Conditioning) equipment needs a control system to regulate the operation of a heating and/or air conditioning system. [1] Usually a sensing device is used to compare the actual state (e.g. temperature) with a target state. Then the control system draws a conclusion what action has to be taken (e.g. start the ...

  3. IBM System/360 Model 40 - Wikipedia

    en.wikipedia.org/wiki/IBM_System/360_Model_40

    The IBM System/360 Model 40 was a mid-range member of the IBM System/360 family. It was announced on April 7, 1964, shipped in 1965, and withdrawn on October 7, 1977. It was announced on April 7, 1964, shipped in 1965, and withdrawn on October 7, 1977.

  4. Thermostat - Wikipedia

    en.wikipedia.org/wiki/Thermostat

    A digital thermostat Honeywell's "The Round" model T87 thermostat, one of which is in the collection of the Smithsonian. A touch screen thermostat An electronic thermostat in a retail store A thermostat is a regulating device component which senses the temperature of a physical system and performs actions so that the system's temperature is ...

  5. Direct digital control - Wikipedia

    en.wikipedia.org/wiki/Direct_digital_control

    Direct digital control is the automated control of a condition or process by a digital device (computer). [ 1 ] [ 2 ] Direct digital control takes a centralized network-oriented approach. All instrumentation is gathered by various analog and digital converters which use the network to transport these signals to the central controller.

  6. Force gauge - Wikipedia

    en.wikipedia.org/wiki/Force_gauge

    An example of an electrical force gauge is an "electronic scale". One or more electrical load cells (commonly referred to as "weigh bars") are used to support a vertical or horizontal "live load" and are solid-state potentiometers which have variable internal resistance proportional to the load they are subjected to and deflected by. As the ...

  7. Jeep Wrangler (JK) - Wikipedia

    en.wikipedia.org/wiki/Jeep_Wrangler_(JK)

    The X-S model features 32-inch tires (on 17-inch wheels), air conditioning, fog lights, cruise control, driver’s seat height adjuster, removable doors, and a fold-down windshield. It can be customized to a buyers specifications adding such options as power windows and locks, soft or hard top, rear LSD or locker (2007 only), and other accessories.

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