Note

Hello, welcome to the SunFounder Raspberry Pi & Arduino & ESP32 Enthusiasts Community on Facebook! Dive deeper into Raspberry Pi, Arduino, and ESP32 with fellow enthusiasts.

Why Join?

  • Expert Support: Solve post-sale issues and technical challenges with help from our community and team.

  • Learn & Share: Exchange tips and tutorials to enhance your skills.

  • Exclusive Previews: Get early access to new product announcements and sneak peeks.

  • Special Discounts: Enjoy exclusive discounts on our newest products.

  • Festive Promotions and Giveaways: Take part in giveaways and holiday promotions.

👉 Ready to explore and create with us? Click [here] and join today!

MFRC522 Module

img_mfrc522

The MFRC522 is an integrated chip designed for reading and writing contactless cards. Operating at a frequency of 13.56 MHz, it is a product of NXP and is known for its low voltage, low cost, and compact size, making it an excellent choice for intelligent instruments and portable handheld devices.

The MFRC522 incorporates advanced modulation and demodulation technology, supporting various 13.56 MHz passive contactless communication methods and protocols. It also features the rapid CRYPTO1 encryption algorithm for MIFARE product verification and supports high-speed two-way communication with MIFARE series cards, achieving data transmission rates of up to 424 kbit/s.

As a new addition to the 13.56 MHz reader chip series, the MFRC522 shares similarities with its predecessors, the MFRC500 and MFRC530, while introducing significant improvements. It communicates with the host device through a serial interface, minimizing wiring complexity. Users can choose between SPI, I2C, or UART (similar to RS232) communication modes, enabling streamlined connections, reduced PCB size, and lower overall costs.

Example