RFID Unit (MFRC522)
This unit can read RF cards and tags. It has MFRC522 chip, which operates in the 13.56 MHz frequency band.

RFID key tag

RFID key card
Connection type: | I2C |
Can be connected into: | PORT A |
Cable type: | Grove Universal 4 Pin Cable |
URL: | Official page |

RFID Unit