MFRC522 RFID Reader Module Kit (13.56MHz) with Card and Keyfob

The MFRC522 RFID Reader Module Kit is a 13.56MHz contactless reader/writer built around NXP’s MFRC522 IC, supplied with a MIFARE card and keyfob so testing can start right away. It communicates over SPI and is a common choice for access-control, attendance, and identification projects with Arduino, ESP32, and Raspberry Pi.

Key features:

• Chipset: Uses the NXP MFRC522 controller, a proven, low-power IC for 13.56MHz contactless communication.
• SPI Interface: Connects to any microcontroller SPI bus using SCK, MOSI, MISO and SDA/CS, plus IRQ, RST, GND and 3.3V.
• Supply Voltage: Runs from a 3.3V supply; level shifting is required before connecting directly to 5V logic.
• Read Range: Reads and writes MIFARE S50, S70, Ultralight and DESFire cards from a distance of up to 5cm.
• Complete Starter Set: Includes one white RFID card and one keyfob, so no extra tags need to be bought to start testing.
• ISO/IEC 14443A Compliant: Uses the same contactless protocol found in most access cards and public transport tags.

Its low cost and wide library support make this kit a straightforward way to add card- or tag-based access control to any microcontroller project.