M5Stack NFC Universal Unit (ST25R3916)
The M5Stack NFC Universal Unit is a versatile 13.56MHz NFC/RFID read and write module with support for multiple protocols, making it suitable for access control, identity verification, smart transport, and custom NFC applications.
The M5Stack NFC Universal Unit 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.
Features
- 13.56 MHz high-frequency near-field communication
- Equipped with ST25R3916 high-performance IC
- Supports ISO14443A, ISO14443B, FeliCa™, and ISO15693 protocols
- Supports three operating modes: Reader/Writer / Card Emulation / Custom Protocol
- I2C Communication interface
- LEGO-compatible mounting holes
- Development Platform
- UiFlow2
- Arduino IDE
Specifications
| IC Type | ST25R3916-AQWT |
| Operating Frequency | 13.56 MHz |
| Communication Interface | I2C @0x50 (100K / 400K) |
| Supported Protocols | Reader/Writer Mode: NFC-A/B (ISO 14443A/B compatible), NFC-F (FeliCa™), NFC-V (ISO 15693) Card Emulation Mode: NFC-A / NFC-F |
| Read/Write Range | ≤ 40mm |
| Power Consumption | Sleep: 5V @ 19.33uA Power-on (unconfigured): 5V @ 19.79uA Continuous reading: 5V @ 67.65mA Intermittent reading: 5V @ 66.48mA |
| Product Size | 48.0 x 24.0 x 8.0mm |
| Product Weight | 5.9g |
Resources
- Product documents
Package Contents
- 1x M5Stack NFC Universal Unit (ST25R3916)
- 1x HY2.0-4P Grove Cable (20cm)
Original: $8.85
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$2.65Product Information
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Description
The M5Stack NFC Universal Unit is a versatile 13.56MHz NFC/RFID read and write module with support for multiple protocols, making it suitable for access control, identity verification, smart transport, and custom NFC applications.
The M5Stack NFC Universal Unit 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.
Features
- 13.56 MHz high-frequency near-field communication
- Equipped with ST25R3916 high-performance IC
- Supports ISO14443A, ISO14443B, FeliCa™, and ISO15693 protocols
- Supports three operating modes: Reader/Writer / Card Emulation / Custom Protocol
- I2C Communication interface
- LEGO-compatible mounting holes
- Development Platform
- UiFlow2
- Arduino IDE
Specifications
| IC Type | ST25R3916-AQWT |
| Operating Frequency | 13.56 MHz |
| Communication Interface | I2C @0x50 (100K / 400K) |
| Supported Protocols | Reader/Writer Mode: NFC-A/B (ISO 14443A/B compatible), NFC-F (FeliCa™), NFC-V (ISO 15693) Card Emulation Mode: NFC-A / NFC-F |
| Read/Write Range | ≤ 40mm |
| Power Consumption | Sleep: 5V @ 19.33uA Power-on (unconfigured): 5V @ 19.79uA Continuous reading: 5V @ 67.65mA Intermittent reading: 5V @ 66.48mA |
| Product Size | 48.0 x 24.0 x 8.0mm |
| Product Weight | 5.9g |
Resources
- Product documents
Package Contents
- 1x M5Stack NFC Universal Unit (ST25R3916)
- 1x HY2.0-4P Grove Cable (20cm)
