M5Stack Unit NFC Reader Near-field Communication Read Write Module Support 13.56 MHz I2C Interface Smart Transportation

M5Stack Unit NFC Reader Kindly Remind Operating frequency 13.56 MHz onlyUnable to read NFC encrypted channel Product Features 13.56 MHz high-frequency near-field communicationEquipped with ST25R3916 high-performance ICSupports ISO14443A, ISO14443B, FeliCa™, and ISO15693 protocolsSupports three operating modes: Reader/Writer / Card Emulation / Custom ProtocolI2C communication interfaceLEGO-compatible mounting holesDevelopment PlatformUiFlow2Arduino IDE Applications Access Control SystemsIdentity VerificationSmart Transportation Package Includes 1 x Unit NFC1 x HY2.0-4P Grove Cable (20cm) Specification Product details Model Size Description Unit NFC is a near-field communication read/write unit operating at 13.56 MHz. The module features the ST25R3916 high-performance NFC front-end IC, supporting mainstream protocols including ISO 14443A, ISO 14443B, FeliCa™, and ISO 15693, enabling reliable read/write operations and data exchange with a wide variety of NFC/RFID tags and cards. The IC supports reader/writer mode, card emulation mode, and custom protocol mode, with automatic antenna tuning, high-sensitivity reception, and comprehensive protocol handling capabilities.This unit communicates with the host device via I2C interface, ensuring reliable and stable data transmission. The product features a LEGO-compatible hole design for easy structural integration and screw-mount installation, making it suitable for a wide range of near-field communication and identity verification applications, including access control systems, identity authentication, and smart transportation.