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rfid card 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.
  • Very good

    posted by DSLima90

    The price is good and there's a lot of data on the internet for learn more about NFC and how to use this shield.
    There's a lot of librarys on the internet that can be used with this kit. Found libraries even for implementing peer to peer comunication. It's a little trick to make it comunicate with a cellphone but doable.
    It's worth the price. For smal implementations of NFC it's very recommendable.
  • Works as you would expect

    posted by CarlosLint

    - Works on Windows XP out-of-the-box, no driver required for me.
    - Reliable feeling/enclosure
    It's a pretty good option if you don't mind Linux support and wants an inexpensive RFID reader.
    Doesn't write RFID cards(we all knew that), and I've tested only against common entrance-of-the-building cards, worked just fine. These kinds of cards are pretty common, but some are not 125khz (thery should be 13mhz, as far as I can tell).
  • Nicely built USB HID card rader for all OSes

    posted by amujunen

    Nice build, good enclosure finishing quality. Works as an USB HID keyboard so no drivers needed for most of operating systems, including Linux. Powered by USB cable, so you just hook it up and go.
    A potentially very nice device to tap into using info form existing key entry cards---though you need to verify compatibility with your particular cards. Quite low-cost.
    A small, clean, easy to setup reader that should interface to most operating systems without additional drivers. Need to test compatibility with your own cards if you plan to read existing cards.
  • Cheap and works partially, needs tinkering

    posted by prozhen

    This unit is cheap and it reads the cards I have, working on 125kHz. It has a simple construction and is easy to open up if you would like to modify it somehow.
    Should come with information regarding output, voltage and much else. On the back it says "220V AC 12V DC", but by looking inside, it seems that it would be fried if you apply these voltages. It is powered by USB, so 5 volt DC ought to do it.DX should also supply a RJ14 to a more "common" pinout, for those hardware-hackers who wants to interface it in other ways than by USB and RS232.It also seems that the pins in use at the RS232-port are non-default. DB9 Pins 1 and 4 are in use for the data, the others are not used. I am not sure if it will work if you just connect it directly to your computer. I had to use an arduino to relay the serial data.
    Works, sort of. Does its job.Can be used for many interesting things.Flimsy but cheap.Little documentation, be prepared to use some time on making it work like desired.

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