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usb dc dc module

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usb dc dc module Customers Reviews

  • Works but not with smartphones

    posted by vavatl

    - works- cheap- wires are appropriately long- has two USB connectors
    Would be much better if it could charge mobile phones at full speed.
    Good but does not work with smartphones. I imagine GPS units and other electronics that only use USB for charging would be fine.
  • For DIY projects

    posted by Debesis

    Small thing for DIY audio projects in homestead. Very good autonomy and simplicity. Playing USB, TF cards and radio so good how it cost. I played different types of encoding and bitrates without any problem. Maybe navigation on files can be improved, because of no folder splitting, but there is no manual.
    I'm with my a month ago and so far work. I liked the price, and also the result. A great deal, no doubt.
  • Useful boost inverter

    posted by WullyS

    Low price, small size.
    It would be possible to use a down-converter, such as SKU: 126106 to reduce a higher voltage battery pack to 2.7 volts for input to this device, and thus to extract maximum energy from a set of 4 to 6 cells.
    An deal low-cost basis for running a smartphone GPS for long periods in the wilderness. I'll recommend it to my friends.
  • Good mp3 player with remote

    posted by H3PO4

    +good quality of soldering on mine (which is not always guaranteed)+good sound (really low noise levels)+small footprint of the PCB, can be easily integrated almost anwhere+good description of connectors on PCB+wide input voltage tolerance
    you have to understand at least basic electronics to make this work, it is not exactly "plug and play" - you need to connect an amplifyer etc...- the user interface for navigation no your USB is sparse - but it did not matter for mine implementation
    If you would like to get good mp3 USB player with remote and know your wires and soldering, you cant really go wrong with this one.
  • Works perfect !

    posted by Thioden

    This usart has a genuine FTDI chip on board. this means there are drivers available for most operating systems. It works flawless on Win 7 and OSX Mountain Lion. Comes with short jumper wires to easily connect to other boards.
    A storage box of some sort would have been nice, but for this price you really can't complain.PCB seems to be of decent quality and well produced.
    Will definitely buy another one and recommend this to others. Great product for a great price.


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