Keyestudio RC522 RFID Module for Arduino

The Keyestudio RC522 RFID Module for Arduino is an affordable and reliable reader module designed for contactless communication at 13.56MHz. It is ideal for students, educators, and makers looking to integrate RFID card reading into their microcontroller projects and custom enclosures.

Original MFRC522 reader chip

The module features the original MFRC522 reader circuit design, providing a low-cost and easy-to-use solution for developers. It is highly suitable for creating RF card terminals and advanced reader applications.

Compact integration and mounting

Designed for versatility, this compact module can be loaded directly into a variety of reader moulds and enclosures. This makes it an excellent choice for prototyping finished equipment and physical computing projects.

Simple SPI interface

Operating at 3.3V, the module connects directly to any microcontroller board using a simple SPI interface. This straightforward connection requires only a few lines, ensuring a stable and reliable reading distance.

Broad card compatibility

Operating at a frequency of 13.56MHz, the module supports several common card types. These include mifare1 S50, mifare1 S70, mifare UltraLight, mifare Pro, and mifare Desfire.

Power and environmental specifications

The module operates with a current of 13-26mA at 3.3V DC, dropping to an idle current of 10-13mA. It is designed to withstand operating temperatures from -20 to 80 degrees Celsius and relative humidity levels between 5% and 95%.