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usb 5v to 3v fan Answered

I'm considering running a 3v fan from a 5v usb.
can i simply put adequate resistance in series to reduce current to acceptable levels?

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Toga_Dan (author)2013-06-02

http://www.adafruit.com/blog/2011/07/15/choosing-usb-pin-voltages-for-iphones-and-ipads/

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