Making a USB Powered Coffee Warmer (Video)

Household Hacker breaks down the steps in turning a old out of date microprocessor and re-purposing it into a USB Powered Coffee Warmer.

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1 comment to Making a USB Powered Coffee Warmer (Video)

  • Abdullah

    This is a great way of utilizing waste, GO GREEN!!! The only thing I would like to know is if there is a way we can add a speed button or something that would control how warm we want to use the burner.

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