Arduino RFID


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RC522 Chip:
MF RC522 is applied to the highly integrated read and write 13.56MHz
contactless communication card chip, NXP launched by the company for the
“table” application of a low-voltage, low-cost, small size of the
non-contact card chip to read and write, smart meters and portable
handheld devices developed better choice. The MF RC522 use of advanced
modulation and demodulation concept completely integrated in all types
of 13.56MHz passive contactless communication methods and protocols.
14443A compatible transponder signals. The digital part of to handle the
ISO14443A frames and error detection. In addition, support rapid
CRYPTO1 encryption algorithm, terminology validation products. MFRC522
support series of high-speed non-contact communication, two-way data
transmission rate up to 424kbit/s. As new members of the 13.56MHz reader
card series of highly integrated chip family, MF RC522 MF RC500 MF
RC530 There are a lot of similarities, but also have many of the
characteristics and differences. Communication between it and the host
SPI mode helps to reduce the connection narrow PCB board volume, reduce
RFID Module:
The MF522-AN module the the original Philips MFRC522 chip design
circuit card reader, easy to use, low cost, and applies to the user
equipment development, the reader and the development of advanced
applications, the need for the user RF card terminal design/production.
This module can be directly loaded into the various reader molds.
Utilizes a voltage of 3.3V, through the SPI interface simple few lines
directly with any user CPU motherboard connected communication can
ensure that the module is stable and reliable work, distance card reader
-Working current :13-26mA/DC 3.3V
-Idle current :10-13mA/DC 3.3V
-Sleep current:

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