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Thread: USB power

  1. #1
    Senior Member gss03's Avatar
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    USB power

    Quick question....whats the voltage of USB and is there enough there to power a cold cathode without blowing something up?

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    I eats food da_ging's Avatar
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    5v 500ma and no

  3. #3
    Kirstie Allsopp Theo's Avatar
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    Good enough for a few LEDs though, provided your have the correct resistors

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