A Node-Red 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 to identify the proper pins.
The node ist based on the mfrc522-rpi node package.