Simple node-red node for the Raspberry Pi to read NFC tags via a RC522 NFC reader.
npm install node-red-contrib-rc522A [Node-Red][1] node that allows you to read NFC tags with an RC522 card reader.
Tested the node on a Raspberry Pi.
You need to connect to RC522 card reader to the following pins:
``
SDA 24 (BCM 8)
SCK 23 (BCM 11)
MOSI 19 (BCM 10)
MISO 21 (BCM 9)
IRQ -
GND 20
RST 22 (BCM 25)
VCC 17 (3v3 PWR)
See [pinout.xyz][2] to identify the proper pins.
The node ist based on the [mfrc522-rpi][3] node package.
[1]: https://nodered.org
[2]: https://pinout.xyz/
[3]: https://github.com/firsttris/mfrc522-rpi