RFID Module RC522 + Cards
Type: RFID Reader/Writer Module
Operating Voltage: 3.3V – 5V DC
Communication: SPI Interface
Frequency: 13.56 MHz
Range: ~2–5 cm (typical)
Included: RFID tags/cards
Features: Compact design, easy to interface with Arduino/MCU
Applications: Access control, attendance systems, security projects, DIY RFID-based applications
