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2. Window fan - Wikipedia

   en.wikipedia.org/wiki/Window_fan

   Other fans offer sophisticated electronic features such as a remote control, automatic shut-off timers, and dimmer-like variable-speed motor controls. Most window fans today are made of plastic. Many older fans, however, are made of metal and are more solid. The more powerful window fans can be used to circulate air throughout a house, acting ...

3. Logitech Harmony - Wikipedia

   en.wikipedia.org/wiki/Logitech_Harmony

   Logitech Harmony 1000. Logitech Harmony is a line of remote controls and home automation products produced by Logitech.The line includes universal remote products designed for controlling the components of home theater systems (including televisions, set-top boxes, DVD and Blu-ray players, video game consoles) and other devices that can be controlled via infrared, as well as newer smart home ...

4. Remote control - Wikipedia

   en.wikipedia.org/wiki/Remote_control

   In electronics, a remote control (also known as a remote or clicker [1]) is an electronic device used to operate another device from a distance, usually wirelessly. In consumer electronics, a remote control can be used to operate devices such as a television set, DVD player or other digital home media appliance. A remote control can allow ...

5. Computer fan control - Wikipedia

   en.wikipedia.org/wiki/Computer_fan_control

   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.

6. Fan (machine) - Wikipedia

   en.wikipedia.org/wiki/Fan_(machine)

   The motor is either hidden in the fan's center hub or extends behind it. For big industrial fans, three-phase asynchronous motors are commonly used, may be placed near the fan, and drive it through a belt and pulleys. Smaller fans are often powered by shaded pole AC motors, or brushed or brushless DC motors. AC-powered fans usually use mains ...

7. Brushless DC electric motor - Wikipedia

   en.wikipedia.org/wiki/Brushless_DC_electric_motor

   Brushless motors are commonly used as pump, fan and spindle drives in adjustable or variable speed applications as they are capable of developing high torque with good speed response. In addition, they can be easily automated for remote control. Due to their construction, they have good thermal characteristics and high energy efficiency. [20]

8. Motor controller - Wikipedia

   en.wikipedia.org/wiki/Motor_controller

   A motor controller is a device or group of devices that can coordinate in a predetermined manner the performance of an electric motor. [1] A motor controller might include a manual or automatic means for starting and stopping the motor, selecting forward or reverse rotation, selecting and regulating the speed, regulating or limiting the torque, and protecting against overloads and electrical ...

9. Time switch - Wikipedia

   en.wikipedia.org/wiki/Time_switch

   The timer may switch equipment on, off, or both, at a preset time or times, after a preset interval, or cyclically. A countdown time switch switches power, usually off, after a preset time. A cyclical timer switches equipment both on and off at preset times over a period, then repeats the cycle; the period is usually 24 hours or 7 days.