The RFID based sensors are
widely popular for security reasons. There are many hardware devices available
that could receive data from RFID but few are available that could write
also. PN532 is a RFID module that is used for contactless
communication where read and write functions are required from RFID
devices. It works at 13.56 MHz. The interesting part of this RFID module is the
Microcontroller functionality based on an 80C51 core with 40 Kbytes
of ROM and 1 Kbytes of RAM.
The PN532 works with a
modulation and demodulation concept and supports I2C and UART communication.
That supports 3.3V to 24V TTL as it has On Board Level Shifter. It has
built in PCB Antenna and could communicate with other NFC Devices as well, like
smartphones and NFC based tags.
PN532 Feature and Specification:-
Package Contents:
1x PN532 Board
1x 3 pin Jumper wire Female to Female
1x RFID Card
1x RFID Tab ring
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