RFID Reader/Writer RC522 SPI S50 with RFID Card and Tag

Are you wondering how the RFID Reader/Writer RC522 SPI S50 Card and Keychain works? If so, this all-in-one RFID kit is an ideal tool for embedded projects and learning. Therefore, it is commonly used in access control, automation, and smart attendance systems that depend on microcontrollers, SBCs, or CPUs.

To begin with, the RFID Reader/Writer RC522 operates at 13.56 MHz and uses non-contact communication. Since it was developed by NXP, it offers low power consumption, a compact form factor, and consistent performance. Consequently, it pairs well with development boards like  Arduino, ESP32, or Raspberry Pi boards.

Moreover, the module supports ISO/IEC 14443A protocols, which are standard in contactless communication systems. As a result, it ensures compatibility with many RFID tags and smart card systems.

In addition, it has a built-in DSP that handles data processing, error correction, and tag detection. Thus, developers can rely on it for accurate communication. Furthermore, the module operates at 3.3V and uses the SPI interface, which simplifies integration.

Thanks to its broad MCU compatibility, it fits into various compact and scalable applications. Also, its affordability makes it ideal for both beginners and professionals. Overall, this module is a powerful choice for any real-time RFID system.

Features :

1. Highly integrated analog circuitry to demodulate and decode responses.
2. Supports ISO/IEC 14443 A/MIFARE.
3. Typical operating distance in reading/Write mode up to 50 mm.
4. Supports ISO/IEC 14443 A higher transfer speed communication up to 848 kBd.
5. SPI up to 10 Mbit/s.
6. FIFO buffer handles 64 bytes send and receive.
7. Flexible interrupt modes.
8. Power-down by software mode.
9. Programmable Timer.
10. 2.5 V to 3.3 V power supply.
11. CRC coprocessor.
12. Internal self-test.

Package Includes

1 x RFID-RC522 Reader/Write Module
1 x Standard blank RFID card
2 x A Straight & right-angle header strip
1 x Special-shaped keychain RFID tag

Useful Links:

Arduino Playground for MFRC522

Arduino RC522 RFID Door Unlock

Access Control System based on Arduino

Github Source code for various targets like PIC, AVR, ARM, and such