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2. 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. Using switches or knobs, attached fans can ...

3. 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.

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. Acer Veriton - Wikipedia

   en.wikipedia.org/wiki/Acer_Veriton

   Model: CPU: RAM: Chipset: Graphics: Ethernet: Wifi: Released: Model: Cores: Frequency: N260G [1] Intel Atom N280: 1 1.66 GHz 2 GB DDR2: Intel GN40 GMA 4500M: 1x gigabit: None Aug 18, 2009 [2] N270G [1] Intel Atom D510 2 1.66 GHz 2 GB DDR2 Intel NM10 GMA 3150 1x gigabit None Unreleased (became N281G) N281G [1] Intel Atom D425 1 1.8 GHz 2 GB DDR3 ...

6. Fan (machine) - Wikipedia

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

   Fans inside audio power amplifiers help to draw heat away from the electrical components. Variable pitch fan: A variable-pitch fan is used to precisely control static pressure within supply ducts. The blades are arranged to rotate upon a control-pitch hub. The fan wheel will spin at a constant speed. The blades follow the control pitch hub.

7. Variable-frequency drive - Wikipedia

   en.wikipedia.org/wiki/Variable-frequency_drive

   In variable-torque applications suited for Volts-per-Hertz (V/Hz) drive control, AC motor characteristics require that the voltage magnitude of the inverter's output to the motor be adjusted to match the required load torque in a linear V/Hz relationship. For example, for 460 V, 60 Hz motors, this linear V/Hz relationship is 460/60 = 7.67 V/Hz.