Description: 1. The RC522 RFID 13.56MHz Reader Writer Module is an IoT component designed for implementing contactless RFID systems based on the Mifare Classic technology. 2. It supports various types of Mifare cards, including Mifare Ultralight, Mifare Classic, and Mifare SAM (Secure Access Module). 3. This module operates at a frequency of 13.56MHz and communicates with RFID tags using the ISO/IEC 14443A standard. 4. The RC522 features an easy-to-use SPI interface, allowing simple integration into various microcontroller projects or other IoT systems. 5. It includes an antenna to create a read/write field for tag communication and a built-in Phillips SOT-23 16-bit microcontroller (AT90S2343A). 6. The RC522 offers flexibility through software configuration of various settings, such as read sensitivity, select Mifare card type, or enable card emulation mode. 7. Unique benefits include compact size (1.6 x 1.8 inches), low power consumption, and support for multiple tag types within a single s
| Specification | Details |
|---|---|
| Frequency | 13.56 MHz |
| Modulation Type | FM (Frequency Modulation) |
| Communication Mode | Half-Duplex SPI (Serial Peripheral Interface) |
| Interface Pins | MISO MOSI SCK RST GND VCC |
| Operating Voltage | 3.3V to 5V |
| Supply Current | Typically 10mA |
| RF Output Power | Up to 21 dBm |
| Data Transfer Rate | up to 26 kbps (kilobits per second) |
| Operating Temperature | -20°C to +70°C |
| Storage Temperature | -40°C to +85°C |
| Chip Size | 17mm x 14mm |
| Weight | Approximately 5g |
