RC522 RFID RF IC Card Sensor Module Writer Reader IC Card Wireless Module For Arduino

RC522 RFID RF IC Card Sensor Module Writer Reader for Arduino

The RC522 RFID RF IC Card Sensor Module is a compact and efficient wireless communication module designed for reading and writing 13.56MHz RFID smart cards and tags. Based on the MFRC522 RFID chip, this module supports ISO/IEC 14443 Type A compatible cards such as MIFARE Classic and S50 IC cards. It is widely used in access control systems, attendance systems, smart identification, and Arduino-based automation projects.

The module communicates using the SPI interface, enabling fast and stable data transfer with Arduino UNO, Mega 2560, Nano, ESP32, Raspberry Pi, STM32, and other microcontroller platforms. With low power consumption, high integration, and reliable performance, the RC522 RFID module is ideal for DIY electronics, IoT, and embedded system applications.

Features

• Based on MFRC522 RFID chip
• Supports 13.56MHz RFID communication
• Read and write RFID card functionality
• SPI communication interface
• Fast wireless data transmission
• Low power consumption
• Compact and lightweight design
• Easy integration with Arduino platforms

Technical Specifications

• Operating Voltage: 3.3V DC
• Operating Frequency: 13.56MHz
• Communication Interface: SPI
• Supported Cards: MIFARE, S50, RFID tags
• Reading Distance: 0 – 60mm
• Data Transfer Rate: Up to 10Mbps
• Operating Current: 13mA – 26mA
• Operating Temperature: -20°C to +80°C

Pin Configuration

• SDA → SPI Chip Select
• SCK → SPI Clock
• MOSI → SPI Data Input
• MISO → SPI Data Output
• IRQ → Interrupt
• GND → Ground
• RST → Reset
• 3.3V → Power Supply

Applications

• RFID access control systems
• Attendance and identification systems
• Smart card authentication
• Electronic door lock systems
• Arduino RFID projects
• IoT security applications
• Cashless payment systems
• Asset tracking systems