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This little PWM speed controller packs a punch.


It uses a PWM (pulse-width modulation) system that adjusts the duty cycle from 5% to 100%, which lets you control motor speed or light brightness smoothly.
The working frequency is 12kHz, which keeps noise low and efficiency high.
The build quality includes a field-effect tube, drive IC, and a 70μm copper PCB for solid performance and stable output.
You can use this for all kinds of stuff: DC brush motors, car cooling fans, windshield wiper motors, conveyor belts, treadmills, exhaust fans, or even to dim DC lights or control heaters.
It also works for HHO generators.
There's a protective case around it for durability, and it runs fine in temperatures from -20 to 40°C.



4.2 out of 5