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Use a computer fan


mark-pc

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I want to use some fans from old PC's for another application. Would I need a transformer?

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wiz-king

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Yes. Most likely 12V but check on the fan.

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spuds

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All depends on the voltage and how you want to use the fans, and on what.

You could use batteries, transformer or other correct power supply?.

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mark-pc

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I want to use on a small plant growing setup to disperse the heat from grow lamps. Ideally on mains.

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