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usb dc dc module

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usb dc dc module Customers Reviews

  • 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

    posted by Zanga2

    - It has good stabilization of the output voltage. When i have supplied it with 12V the output stayed constantly at 4.99 - 5.03 volts regardless of the output current which was between 0.5A to a maximum of 2 Amps
    - A small switch would be a good addition to it when using in the car, or at least connecting it to a switched plus is a good idea to prevent it from running idle and flattening the battery.
    Very good DC power supply, with stable voltage. The price could be better though.
  • Very good device

    posted by Stason266

    Very good quality of product. Good power supply is usefull for using mobile HDD. All basic functions are present and work good. Sound quality is good, noise is absent.
    I bought this device for my "car media centre" project. It is very useful for me, that the device has headphones out and has not FM radio. I inserted this device into my stock cassette car radio. It required a minimum of changes.
    I recomend this device for your DIY project. Especially for upgrade of your cassete car radio. In this case, you have radio alredy, and you need a good mp3-player.This device is cheap, simple and very good mp3-player without any bugs!
  • 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
    ---
  • 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.

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