RC522 13.56MHz RFID card

The RC522 is a compact and cost-effective RFID card reader module that operates at a frequency of 13.56MHz. It is designed for reading RFID cards and tags and is commonly used in access control systems, identification systems, and various RFID-based applications. The module supports a range of RFID tags and cards and provides a simple interface for integration with microcontrollers and other electronic systems.

Key Features:

• Operates at 13.56MHz frequency
• Compatible with various RFID cards and tags
• Provides SPI (Serial Peripheral Interface) for easy communication with microcontrollers
• Compact design for easy integration
• Low power consumption
• Includes built-in antenna for reading RFID cards

Technical Specifications:

• Frequency: 13.56MHz
• Communication Interface: SPI (Serial Peripheral Interface)
• Operating Voltage: 3.3V to 5V DC
• Current Consumption: 13mA (typical) during operation
• Range: Up to 5cm (varies by card and environmental conditions)
• Dimensions: Approximately 40mm x 60mm x 10mm
• Operating Temperature Range: -40°C to +85°C
• Antenna: Built-in for card detection

Applications:

• Access Control: Used in systems to control access based on RFID card identification.
• Identification Systems: Ideal for personal identification and authentication applications.
• Ticketing Systems: Integrates with ticketing solutions for events and transport.
• Inventory Management: Helps in tracking and managing inventory with RFID tags.
• DIY Projects: Suitable for hobbyist projects involving RFID technology.

Datasheet:
For detailed technical information, refer to the RC522 Datasheet provided by NXP Semiconductors.