Ideally what I'd like to do is pull the PWM control from the fan header on the GPU, and put that into some kind of controller to adjust the speed of the pump. The pump does not support PWM, though.

Model VSM-CA3 modulates the speed of motors in fancoil units, fan-powered VAV terminal units, fan filter units, and other air-moving devices. The controller provides modulating control of AC induction ...

Tecumseh’s newest addition to its Masterflux product line is a Sierra variable speed compressor and system controller for solar-powered air conditioning applications. The innovative controller is ...

The science pros at The King of Random build a low-cost variable power controller and explain how it works. Donald Trump to make televised announcement from Oval Office: What to know Cracker Barrel ...

The DynaMotor from DynaMotors Inc., Warrensville Heights, Ohio, uses optically controlled solid-state switches embedded in the rotor windings to control current and, thus, torque, making the motor ...

[Boolean90] hacked a cheap USB car charger into a variable power supply. His proof of concept is to use this as a variable-speed motor controller. The best part is that nothing is being abused ...

Region 2 — variable rotor speed. Region 2 represents the mode of operation where the prevailing wind is strong enough for the turbine to capture energy, but not at its rated power and rotor speed.