RFID RC522 Reader/Writer Module 13.56MHz (SPI) for Arduino & ESP32
$1.00
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RFID RC522 Reader/Writer Module 13.56MHz (SPI) for Arduino & ESP32
$1.00
RFID RC522 (MFRC522) Module for reading and writing 13.56MHz RFID cards and key fobs. Ideal for access control, attendance systems, NFC/RFID projects, and IoT builds.
- Chipset: MFRC522
- Frequency: 13.56MHz
- Interface: SPI (also supports I2C/UART on some versions)
- Operating Voltage: 3.3V (recommended)
- Compatible Tags: MIFARE Classic 1K/4K, MIFARE Ultralight and other ISO/IEC 14443A cards
- Pins: SDA/SS, SCK, MOSI, MISO, IRQ, GND, RST, 3.3V
- Use Cases: Door locks, authentication, ID systems, smart projects
Package Includes: 1x RC522 RFID module
Note: Use 3.3V logic/power for reliable operation. For ESP32, connect via SPI.