RFID-RC522 Module

RFID-RC522 Module – 13.56MHz Contactless RFID Reader for Access Control and Identification Systems

The RFID-RC522 Module is a high-performance, low-cost RFID reader/writer based on the MFRC522 IC. Operating at 13.56 MHz, it allows contactless communication with ISO 14443A standard cards and tags, making it ideal for access control systems, attendance logging, inventory tracking, and smart automation projects. With its SPI interface and compact design, it easily integrates into microcontroller platforms like Arduino, ESP32, Raspberry Pi, and more.

Product Specifications

Key Features

• 13.56 MHz High-Frequency Operation
  Enables secure, short-range contactless communication with RFID cards and tags based on the ISO 14443A standard.

• Built-in PCB Antenna
  Compact and efficient integrated antenna supports tag reading up to 5 cm for fast and reliable detection.

• SPI Communication Interface
  Communicates easily with Arduino, ESP8266, ESP32, STM32, and Raspberry Pi using standard SPI pins.

• Multi-Tag Compatibility
  Supports a variety of MIFARE tag types, including MIFARE Classic 1K, 4K, and Ultralight series.

• Low Power Consumption
  Efficient design suitable for battery-operated and low-power embedded systems.

Benefits

• Reliable Contactless Identification
  Quickly and accurately reads RFID tags and cards, ideal for secure identification and tracking applications.

• Compact and Easy to Integrate
  Small form factor and standard pin header design make it ideal for embedding into project enclosures or circuit boards.

• Flexible Communication Options
  Primarily SPI, with optional support for I2C and UART (via firmware adjustment), offering compatibility with various microcontrollers.

• Open Source Libraries Available
  Fully supported by popular libraries and examples for Arduino and other platforms, enabling fast development and deployment.

Applications

• Access Control Systems
  Implement door locking/unlocking systems using RFID card verification.

• Attendance Monitoring
  Track employee, student, or visitor attendance using unique RFID cards or tags.

• Inventory & Asset Management
  Tag and track items in warehouses, libraries, or offices with RFID tags.

• Smart Automation
  Use RFID tags to trigger automated tasks in home or industrial environments.

• IoT and DIY Projects
  Integrate into custom electronics or IoT systems for secure user identification or device activation.

The RFID-RC522 Module is an essential component for any project that requires secure, wireless identification. From smart access systems to inventory tracking and home automation, this module offers an efficient and cost-effective solution for integrating RFID technology into your projects.