Supports ISO14443A, ISO14443B, Felica, and ISO15693 protocols for broad compatibility with NFC cards and tags
Three operating modes: Reader/Writer, Card Emulation, and Custom Protocol for flexible integration
Automatic antenna tuning and high sensitivity reception ensure reliable communication
Lego-compatible mounting holes and compact size enable easy structural integration
I2C interface and HY2.0-4P connector simplify connection to M5Stack hosts and other controllers
Summarized by Shop
M5Stack NFC Universal Unit (ST25R3916) is a 13.56MHz NFC/RFID read and write unit designed for access control, identity verification, smart transportation, attendance terminals, asset tagging, and embedded NFC interaction projects. It is built around the ST25R3916-AQWT high-performance NFC front-end and supports a wide range of mainstream