The way we control the speed of fan motors or pump motors has tremendously changed in the past two decades with the introduction of variable-frequency drives (VFDs), aka variable-frequency controllers ...

When implementing cooling solutions for electronic equipment, system designers are confronted with a complex set of variables. The cooling requirements are typically dynamic, and ambient temperatures ...

The SmartFan Inversion fan-speed controller combines an ac/dc power supply and a dc-fan control/alarm. The controller has a supply voltage from 95 to 264 Vac, and supports 24 or 48-Vdc fans rated to 4 ...

Horton Inc. says its VMaster and Stratis Di Viscous Fan Drive and Controller systems offer an economical choice for customers who seek the flexibility of variable speed along with optimal engine ...

Embraco has launched a new line of compressors with digital capacity modulation technology as well as its second generation ...

PWM or Pulse Width Modulation has generally been regarded as too complicated for PC fan speed control compared against using rheostats or linear voltage regulators such as the LM317. I present here a ...

This circuit is a fan controller which is using the pulse width modulation (PWM) method. It is tiny (33.78mm x 54.76mm) and easy to build. Functions of the circuit parts are listed below; VR1: 10 K ...

Following are the best free Fan Speed Controller software for Windows 11/10 PC. The list is in no particular order as every app here has some unique ability. Let us start with a one-stop shop for all ...

The Leviton Decora Smart Wi-Fi 4-Speed Fan Controller is a very, good product; it just isn’t the best in its class. I used to recommend picking one smart home ecosystem and sticking with it. Start ...

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The Lutron HomeKit-enabled fan controller makes it easy for anyone to control a ceiling fan from the wall, with their phone, or with their voice. But, it isn't perfect. During the 2019 Consumer ...