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  • Very useful & well-built

    posted by Cogitosus on 01/23/2014

    Involvement:Expert (understands the inner workings) - Ownership:more than 1 month


    A simple layout with clear display of USB port volyage and current consumption.

    Could not be easier to use,


    The right-angled design may not fit a small number of USB ports.
    Because the device uses one set of digits to display voltage & currect alternately, it's not possible to monitor both simultaneously, so shourt spikes can be missed, but this is a minor point.


    I've used this to monitor charging current for mobile phone & other devices; to check a device drawing too much current and also to monitor the operation of Arduino circuits powered from the USN port.

    Perhaps putting the male connector in line with the display rather than at 90 degress might make it easier to fit awkward ports, but this is a very minor issue.


    Very useful gadget to keep in the toolbox, extremely simple to use and good value for money.

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