RC522 RFID Reader Writer Module TTL Interface

RC522 RFID Reader/Writer Module – 13.56MHz, TTL Interface

The RC522 RFID Reader/Writer Module is a compact and efficient 13.56MHz RFID module designed for secure identification and contactless data exchange. Featuring the MFRC522 chip, this module is widely used for access control, attendance systems, smart payment solutions, and IoT applications. Its TTL interface makes it easy to integrate with microcontrollers such as Arduino, Raspberry Pi, ESP32, and other embedded systems.

Applications

1. Access Control Systems: Secure entry systems for homes, offices, and buildings.
2. Attendance & Authentication: Used in employee time tracking and identity verification.
3. IoT & Embedded Systems: Enables RFID functionality in IoT and smart device projects.
4. Contactless Payment & Security: Can be implemented in payment gateways and secure authentication.
5. Smart Lock & Automation: Perfect for RFID-based home automation and security systems.

Key Features

• High-Frequency RFID Communication: Operates at 13.56MHz, supporting contactless RFID card reading and writing.
• Multi-Protocol Compatibility: Supports ISO/IEC 14443A standard cards, including MIFARE Classic 1K and 4K.
• Low Power Consumption: Optimized for battery-powered and embedded applications.
• Compact & Lightweight: Small form factor for easy integration into various projects.
• TTL Interface for Microcontrollers: Seamlessly interfaces with Arduino, Raspberry Pi, ESP8266, ESP32, STM32, and other development boards.
• RX serial port reception
• TX serial port transmission

Technical Specifications

• Operating Frequency: 13.56MHz
• Supported Protocols: ISO14443A compliant, for Mifare1 S50, S70
• Interface: TTL  UART
• Operating Voltage: 3.3V – 5V DC
• Communication Distance: Up to 5 cm (depending on card type and antenna positioning)
• Power Consumption: Low power operation for embedded systems
• Dimensions: Small form factor for easy integration
• GND power ground
• Product model: For MIFARE RC522
• Sleep current: <80uA
• Peak current: <30mA
• Card reading distance: 0~45mm
• Interface: UART TTL
• Baud rate: 115200
• Data transmission rate: up to 10Mbit/s
• Ambient operating temperature: -20~80°C
• Storage temperature: -40~85°C
• Humidity: Relative humidity 5% – 95%

The RC522 RFID Reader/Writer Module is a cost-effective and widely used solution for RFID-based projects. Its compact design, versatile interface support, and reliable performance make it a perfect choice for both beginners and advanced developers. Whether you’re building a smart security system, IoT project, or RFID payment gateway, this module offers the perfect balance of efficiency, affordability, and ease of use.

Upgrade your RFID projects with the RC522 RFID Reader/Writer Module and enjoy fast, secure, and seamless contactless communication.