SKU: SENS-2572
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M5Stack RFID RC522 Panel Module for M5 Faces - I2C Interface, 13.56MHz

₹849.00 (Inclusive of all taxes)
Out of Stock

The M5Stack RFID RC522 Panel Module is a dedicated RFID reader/writer panel designed for seamless integration with the M5 Faces ecosystem. It utilizes the MFRC522 chipset operating at 13.56MHz and communicates via I2C, enabling easy card and tag interaction for Arduino, ESP32, and Raspberry Pi projects.

Features

  • MFRC522-based RFID reader/writer operating at 13.56MHz frequency.
  • I2C interface (pins 21/22) for simplified wiring and integration with M5 Faces and other microcontrollers.
  • Supports ISO14443A, MIFARE, and NTAG protocols for broad tag compatibility.
  • Compact panel design (54mm x 58mm) specifically made for the M5 Faces module.
  • Includes one RFID keychain tag and one credit card-sized S50 card for immediate prototyping.

Out of stock

Description

The M5Stack RFID RC522 Panel Module is a specialized accessory that transforms the M5 Faces unit into a fully functional RFID station. Based on the industry-standard MFRC522 integrated circuit, it employs 13.56MHz radio frequency identification (RFID) technology to read from and write to compatible tags via inductive coupling. The module communicates over the I2C bus, providing a straightforward digital interface that minimizes GPIO usage and simplifies code development.

This panel is engineered for reliable, mid-range proximity reading and supports major 13.56MHz protocols, including ISO14443A, MIFARE, and NTAG. Its construction is tailored to dock securely with the M5 Faces, offering a clean, integrated appearance and robust mechanical connection for portable or embedded security, access control, and inventory management applications.

Key Features

  • FACES-Compatible Panel: Directly mounts to the M5 Faces module, providing an enclosed, finished unit for RFID applications.
  • MFRC522 RFID Controller: Reliable 13.56MHz reader IC with built-in modulation/demodulation circuitry for stable tag communication.
  • I2C Serial Interface: Utilizes I2C (pins 21/22) with support for Fast mode (400 kbit/s) and High-speed mode (3.4 Mbit/s) for efficient data transfer.
  • Multi-Protocol Support: Compatible with ISO14443A, MIFARE, and NTAG standards, enabling use with a wide variety of RFID cards and tags.
  • Integrated Development Package: Comes with a keychain tag and a credit card-sized Fudan S50 card for immediate testing and project development.
  • Compact & Lightweight Design: Plastic housing measuring 54mm x 58mm and weighing only 18g, designed for portable and embedded systems.

Applications

  • Secure access control systems and door locks using M5-based hardware.
  • Asset tracking and inventory management with RFID tag logging.
  • Interactive exhibits or point-of-sale systems requiring user/item identification.
  • Educational projects for learning RFID technology and I2C communication protocols.
  • Prototyping portable RFID readers for field service or logistics applications.

Technical Specifications

Operating Frequency13.56 MHz
InterfaceI2C (Pins 21/22)
Supported ProtocolsISO14443A, MIFARE, NTAG
I2C Data Rate (Fast Mode)Up to 400 kbit/s
I2C Data Rate (High-Speed Mode)Up to 3400 kbit/s
Typical Reading DistanceUp to 8 mm
Data Retention> 10 years
Housing MaterialPlastic
Dimensions (L x W)58 mm x 54 mm
Weight18 g
CompatibilityM5 Faces Module

Frequently Asked Questions

What microcontrollers is this RFID panel compatible with?

The panel is designed specifically for the M5 Faces module, which is based on the ESP32. Its I2C interface (using pins 21 and 22) also makes it broadly compatible with other development boards that support I2C communication, such as Arduino Uno, Raspberry Pi, and other ESP32-based systems, using the appropriate libraries for the MFRC522 chip.

What is the maximum reading distance for tags?

The typical reading distance is up to 8 mm, depending on the tag size, antenna alignment, and environmental conditions. For reliable operation, ensure the tag is placed flat and parallel to the panel's antenna coil within this close proximity range.

What types of RFID cards and tags does this module support?

It supports the ISO14443A standard and is compatible with MIFARE Classic 1K, MIFARE Ultralight, and NTAG series tags. The included Fudan S50 card is a MIFARE Classic 1K compatible tag. It will not read lower frequency (125 kHz) or other protocol tags.

How do I connect and program this module with an Arduino (not using M5 Faces)?

Connect the panel's I2C pins (SDA, SCL) to the corresponding pins on your Arduino (e.g., A4/SDA, A5/SCL on Uno). Provide 5V and GND. You will need to install a library like "MFRC522 by GithubCommunity" and use the I2C example code, ensuring you specify the correct I2C address (often 0x28) in your sketch.

Package Includes

  • 1x FACES-RFID Panel Module
  • 1x RFID Keychain Tag
  • 1x Credit Card Size RFID Card (Fudan S50)

Additional Information

Weight 0.018 kg
Dimensions 5.8 × 5.4 cm