Type: NFC / RFID Reader-Writer Module
Chip: PN532
Communication: I2C, SPI, UART
Supports NFC tags, RFID cards, and mobile NFC devices
Read and write capability for compatible tags
Operating voltage: Typically 3.3V / 5V compatible (with logic level considerations)
Compatible with Arduino, Raspberry Pi, and other microcontrollers
 
Common Uses:
Access control and security systems
Contactless payment and identification prototypes
NFC-based data transfer projects
Smart lock and attendance systems
Arduino-based interactive and automation projects
STEM classroom electronics experiments