Product description
RC522 RFID Reader – 13.56 MHz Contactless Identification via SPI, I²C, or UART. The RC522 is a compact RFID reader operating at the 13.56 MHz band, compatible with MIFARE cards and tags. The module is based on the MFRC522 chip and is well-suited for applications such as access control, logging systems, asset tracking, and other contactless identification tasks. Ideal for integration with microcontroller systems like Arduino, Raspberry Pi, and ESP32.
Features:
- Frequency: 13.56 MHz
- Protocol support: ISO/IEC 14443 Type A
- Interfaces: SPI, I²C, or UART
- Read speed: Up to 424 kbit/s
- Typical reading distance: 0–5 cm
- Operating voltage: 3.3 V
- Logic level: 3.3 V
- Built-in CRC and anti-collision support
- Dimensions: 60 x 40 mm
Package includes:
- 1× RC522 RFID Reader
- 1× RFID Card (credit card format)
- 1× RFID Tag (key fob type)
- 1× Pin header (for use with breadboards)
Note:
Multiple libraries and code examples are available for use with microcontrollers such as Arduino, Raspberry Pi, and ESP32, enabling quick integration. The module operates with 3.3 V logic; use a level shifter if necessary.
