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dc usb module

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dc usb 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.
  • Very nice module

    posted by fontaine

    Works with a 3.3V power supply . Two power amps similar to TS4990 deliver 500mW per channel in BTL on 8 ohms load .
    Sensitive radio but with tendency to intermodulation . Don't use a long antenna if you have powerfull transmitters in close vicinity .
    No problem to read USB keys and SD cards
    6 equalization modes for amateurs !!!.
    Quality control of the manufacturing to enhance (no IR receiver !!!)
    Overall a very good module , small , easy to use .
  • Awesome device for a reasonable price

    posted by Lauriz

    Good sound qualityCheap!EqualizerPossible to forward/rewind tracks from SD/USB.Automatically plays music from bluetooth device (once bluetooth mode is turned on), Possible to switch/play/pause songs on bluetooth device!FM Radio works without problems.High volume output level
    The neccesary connectors could be included.
    A very good device, i really like it. I thought that it bluetooth pairing will be difficult, but it is very easy! The only one disadvantage - it does not come with the neccesary connectors.
  • 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.
  • Another good USB charger

    posted by relic38

    - Small, easy to use- Stays cool enough to put in an enclosure without worrying about overheating
    I bought these to build solar and battery powered mobile USB chargers. I haven't put them into a project yet, but they do work well on the bench.
    If you are looking for a basic USB charger with an On/OFF LED, this is a good, low cost option. If you need low idle current and a charge indication LED, SKU 146765 is a better option.

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