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USB Fan

This USB-powered fan is a computer fan on a wire-stand and hooked up to USB...

5 comments

Oct 16, 2011. 9:08 PM

Robot Lover says:

Be careful when connecting a motor/fan to the power from a USB port. It could blow out your USB port. To make it more safe, connect another USB plug to the fan in parallel so it can draw enough current to safely power the motor/fan.

Mar 8, 2012. 5:43 PMgiantmidget31 says:

Sorry, could you please explain what you mean?

Mar 9, 2012. 4:57 PM

Robot Lover says:

Sorry the schematic below got messed up.

Mar 9, 2012. 4:57 PM

Robot Lover says:

Well, a fan will draw quite a bit of current. If you are not careful, it could make your USB port break from trying to draw more current than available. Although, you would probably be okay as long as you put a diode across the power wires (black and red) like the schematic shown:

| |
|__DIODE__|
| |
| |
| |

RED Black

Mar 11, 2012. 7:31 PMgiantmidget31 says:

Okay, thanks!