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Forum I have a 5v usb fan and I want to reduce the speed.

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I have a 5v usb fan and I want to reduce the speed.

rayjai over 13 years ago

I have a 5v usb fan and I want to reduce the speed. how would I do it?

the fans on my laptop cooler is too loud.

thanks

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YT2095 over 13 years ago +1

you could also use a simple 1n4001 diode in series with the positive wire, to drop .7 of a volt for each diode you use, doing it this way still lets you draw exactly the same amount of current (about 500ma…

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0 emmawatsun over 7 years ago

You should put a big size resistor on the 5 Volt side. It would be helpful I think. And if you need more details or any technical assistance about laptop cooler then contact to Lenovo Support.
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0 emmawatsun over 7 years ago

You should put a big size resistor on the 5 Volt side. It would be helpful I think. And if you need more details or any technical assistance about laptop cooler then contact to Lenovo Support.
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