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A fan controller with LEDs indicating fan status and potentiometers and switches to control fan speeds. Another method, popular with PC hardware enthusiasts, is the manual fan speed controller. They can be mounted in an expansion slot or a 5.25" or 3.5" drive bay or come built into a computer's case. Using switches or knobs, attached fans can ...
Lighting control system. A lighting control system incorporates communication between various system inputs and outputs related to lighting control with the use of one or more central computing devices. Lighting control systems are widely used on both indoor and outdoor lighting of commercial, industrial, and residential spaces.
Demo Mode, an automatic demonstration/test program, which would cycle the fan and light through all of its various settings. In 1990, Casablanca introduced their second computerized ceiling fan control, called Comfort•Touch. Comfort•Touch was the first ceiling fan control system to utilize a radio frequency remote transmitter (previous ...
Control knob. Two control knobs for a heating/cooling system. The left knob controls the temperature while the right controls the fan speed. A control knob is a rotary device used to provide manual input adjustments to a mechanical / electrical system when grasped and turned by a human operator, so that differing extent of knob rotation ...
Pilot-controlled lighting. Pilot-controlled lighting ( PCL ), also known as aircraft radio control of aerodrome lighting ( ARCAL) or pilot-activated lighting ( PAL ), is a system that allows aircraft pilots to control the lighting of an airport or airfield's approach lights, runway edge lights, and taxiways via radio.
Protect your body. The main things you can do to keep yourself safe are “wearing mosquito repellent, avoiding areas known to harbor a lot of mosquitoes and wearing clothing that doesn’t expose ...
Color temperature is a parameter describing the color of a visible light source by comparing it to the color of light emitted by an idealized opaque, non-reflective body. The temperature of the ideal emitter that matches the color most closely is defined as the color temperature of the original visible light source.
Fan death is a misconception that people have died as a result of running an electric fan in a closed room with no open windows. While the supposed mechanics of fan death are impossible given how electric fans operate, belief in fan death persisted to the mid-2000s in South Korea , [ 1 ] [ 2 ] [ 3 ] and also to a lesser extent in Japan .