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card reader green

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card reader green Customers Reviews

  • Easy to Use RFID

    posted by arnoldsen

    Very easy to use.Sends a string with frames, CS and the TAG number in plain 9600 Baud serial format.Plain and simple.Interfaces very well with all microcontrollers operating at 5V (haven't tested at 3.3V).The framing characters 0x02 for start and 0x03 are easy to detect, and will never be a part of the TAG-number or CS, because it is ASCII coded.Reading from the module is simply done by waiting for 0x02 - receive 12 characters - if the next is 0x03, then a full TAG number is received.
    Plug in the moduleSet up serial portRead the tagnumber, when it is presentedNo Problem
    Good value for money module.
  • Really satisfied

    posted by ivanef

    It Works!It very usable and easy too use.The flexible chord helps when USB ports on your PC are not free and too close too each other.It fast (mostly 10mb/s) and supports class10 microSDHC cards.
    My friend has same reader, but without crystal oscillator (something like SKU 144943) on it.My reader with oscillator works much more stable then other reader without it.
    -
  • very handy and very inexpensive accessory

    posted by kbrozio

    +Very fast+Small and portable+Seems well made +Very inexpensive
    I’m sure this would only appeal to Android fans, but I think most mobile users will find it very handy.The only real complaint I could have the lack of any LED indicator to let you know it’s plugged in or there’s activity. It’s not that big of a deal, it’s just something I’m very accustomed to seeing on everything really.
    So a tiny Android for you to take on the go to help you read and write to your microSD cards. It’s not a bad little gadget especially if you consider it’s only $1.50!

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