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  • 07/07/2016

    Works very well (from about 4cm already), but watch out for the output. As I'm from Belgium, my keyboard layout was AZERTY, which gives strange results in scanning output, make sure it's set to QWERTY. Apart from that, read the other review in here that explains how the ID is read, that helpen me to figure out how to parse the data.

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  • 26/01/2016

    I am also using RC522 readers with Arduino for an application and bought this unit as a way to check cards/tokens. It only reads the card ID and not other card data. e.g. good for use as a simple ID token reader. This acts as an input device - so will send the CSN/ID of the card as if it had been typed in from a keyboard e.g. focus needs to be on an input box when a card is read. The card ID is the only thing read, this is 4 bytes in decimal format. The card ID bytes are in reverse order with this USB Reader compared to my RC522 readers. I used a decimal to hex function to show the individual byte values as hex, then reversed the order. The ID then lines up with my reader units. Bottom line is you need to decide on the format of the card number for your application and adjust in code as needed. It does what I waned it to do - a card is read 5 cm away and token 3 cm away.

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  • 07/03/2016

    The product is excellent, reads easily the cards. One point that could be great would be to have a possibility to program wether the keyboard wedge sends data as upper case or lower case, or just emulate a keypad stroke.

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  • 08/03/2015

    So the product works as advertised and is immediately recognized by windows 8.1. The area that reads information is rather small so if you need something that reads from a surface larger than a US penny then buy something else.

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  • 10/03/2016

    Just plug it in and this little device scans cards and fobs and outputs the id as if you are typing it at the keyboard.

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  • 20/01/2016

    An excellent product with low price. Bought the first ones a few weeks ago for testing purpose, and more this time. Good aspect, plug&play !

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  • 06/12/2015

    Easy install. Detect cards between 0-2 cm. Instalacion facil. Detecta las tarjetas entre 0 y 2 cm.

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  • 02/03/2021

    wron alimentatore:-(

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  • 19/02/2019

    Works with Windows 10!

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  • 18/01/2017

    ottimo funzionante

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