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usb dc dc module

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usb dc dc module Customers Reviews

  • Good to power portable devices

    posted by samkosamko

    Very good dc-dc step-up converter. I use it for powering my smartphone when use hiking navigating software. I bought a 18650 battery holder case to power this module.It is possible to power module from any battery, but then input current will be higher.Usefull as a DIY emergency battery for USB powered devices.
    Usefull as a DIY module, need to find some small box to build in.
    Module is quite well designed, has a small thermal dissipation.
  • 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.
  • 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.
  • Trade at the highest level

    posted by bartmi

    Very interesting device. FM radio, micro SD, mini-USB, power adapter and remote control at a very low price and free shipment. You can connect to your computer's USB or via the included AC adapter.Favorable price, the product is not found in Poland
    Very many of the features in a very small device
    I recommend a very interesting product
  • Great Player for DIY

    posted by Elantoine

    Great player at low cost: lots of functions at very small item, as built-in amplifier with sufficient power for small rooms, remote control, clear and relatively great display, various pre-equalizations, etc.Relatively easy to connect and use. Very fast searching between archives, support various formats of memory, and AUX input for other input sources to use its built-in power amplifier (you must see datasheet of decoder to view how to connect).Low consumption (5 volts and few milliamps average), backlighted LCD display, and the possibility to connect a battery makes it very useful and efficient.
    Generally, a great deal
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