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:key: JavaScript class to control MFRC522 RFID Module with your Raspberry-pi

License: MIT License

JavaScript 100.00%

mfrc522-rpi's Introduction

mfrc522-rpi

🔑 JavaScript class to control MFRC522 RFID Module with your Raspberry-pi

MFRC522 is integrated in all types of 13.56MHz RFID passive contactless communication methods and protocols.

It uses the ISO14443 specification to communicate to MIFARE cards (also known as NTAG, NFC) MIFARE wiki ISO14443 wiki

Features

  • Read uid & card memory
  • Write card memory & card key

Install

Install the latest version via npm:

Can only be installed on rpi, through dependency to wiring-pi

npm version

npm install mfrc522-rpi

Basic Usage

Find basic examples in "test" directory

Scripts

run basic examples

sudo npm run read
sudo npm run write
sudo npm run dumpCard

Example

On your NFC Chip are key and data register (see card register). Block 7 is a key register It contains the keys for data register 8, 9, 10. There are 2 keys located in block 7:

  • KEY B: first 6 bit of block 7 - in hex: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
  • KEY A: last 6 bit of block 7 - in hex: 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
  • Accessbits: 4 bits in the middle - in decemial: 255, 7, 128, 105

You can authenticate on block 8, 9, 10 with the key's from block 7

The module is configured to authenticate only with Key A.

Card Register

Physical memory content of the chip/card which was included on the RFID-RC522 Module

Block: 0 Data: 89,229,151,26,49,8,4,0,98,99,100,101,102,103,104,105
Block: 1 Data: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
Block: 2 Data: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
Block: 3 Data: 0,0,0,0,0,0,255,7,128,105,255,255,255,255,255,255
Block: 4 Data: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
Block: 5 Data: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
Block: 6 Data: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
Block: 7 Data: 0,0,0,0,0,0,255,7,128,105,255,255,255,255,255,255
Block: 8 Data: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
Block: 9 Data: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
Block: 10 Data: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
Block: 11 Data: 0,0,0,0,0,0,255,7,128,105,255,255,255,255,255,255
Block: 12 Data: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
Block: 13 Data: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
Block: 14 Data: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
Block: 15 Data: 0,0,0,0,0,0,255,7,128,105,255,255,255,255,255,255
Block: 16 Data: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
Block: 17 Data: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
Block: 18 Data: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
Block: 19 Data: 0,0,0,0,0,0,255,7,128,105,255,255,255,255,255,255
Block: 20 Data: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
Block: 21 Data: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
Block: 22 Data: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
Block: 23 Data: 0,0,0,0,0,0,255,7,128,105,255,255,255,255,255,255
Block: 24 Data: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
Block: 25 Data: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
Block: 26 Data: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
Block: 27 Data: 0,0,0,0,0,0,255,7,128,105,255,255,255,255,255,255
Block: 28 Data: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
Block: 29 Data: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
Block: 30 Data: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
Block: 31 Data: 0,0,0,0,0,0,255,7,128,105,255,255,255,255,255,255
Block: 32 Data: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
Block: 33 Data: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
Block: 34 Data: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
Block: 35 Data: 0,0,0,0,0,0,255,7,128,105,255,255,255,255,255,255
Block: 36 Data: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
Block: 37 Data: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
Block: 38 Data: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
Block: 39 Data: 0,0,0,0,0,0,255,7,128,105,255,255,255,255,255,255
Block: 40 Data: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
Block: 41 Data: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
Block: 42 Data: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
Block: 43 Data: 0,0,0,0,0,0,255,7,128,105,255,255,255,255,255,255
Block: 44 Data: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
Block: 45 Data: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
Block: 46 Data: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
Block: 47 Data: 0,0,0,0,0,0,255,7,128,105,255,255,255,255,255,255
Block: 48 Data: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
Block: 49 Data: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
Block: 50 Data: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
Block: 51 Data: 0,0,0,0,0,0,255,7,128,105,255,255,255,255,255,255
Block: 52 Data: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
Block: 53 Data: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
Block: 54 Data: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
Block: 55 Data: 0,0,0,0,0,0,255,7,128,105,255,255,255,255,255,255
Block: 56 Data: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
Block: 57 Data: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
Block: 58 Data: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
Block: 59 Data: 0,0,0,0,0,0,255,7,128,105,255,255,255,255,255,255
Block: 60 Data: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
Block: 61 Data: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
Block: 62 Data: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
Block: 63 Data: 0,0,0,0,0,0,255,7,128,105,255,255,255,255,255,255

Chang Auth Key

(not tested) Authenticate on block 7 with key from block 7, write new key to block.

Documentation

Manufacturer documentation of MFRC522

MFRC522-Doc.pdf

NTAG (NXP213)

about NFC-TAG types

ebay link

NTAG213_215_216.pdf

Sources

https://github.com/miguelbalboa/rfid

https://github.com/mxgxw/MFRC522-python

Wiring

Screenshot

Which hardware is used?

Screenshot

Link to Amazon (Germany): Link

License

See the LICENSE file for license rights and limitations (MIT).

mfrc522-rpi's People

Contributors

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Watchers

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