DFRobot Gravity: UART & I2C NFC Module
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In stockR1,249
The Story
The DFRobot Gravity NFC Module features the NXP PN532 controller for versatile NFC communication, supporting reading and writing of various smart cards and tags like MIFARE Classic and NTAG series. With both UART and I2C interfaces via a convenient Gravity PH2.0-4P connector and a switch for easy mode selection, this module simplifies integration with Arduino, ESP32, and other 3.3V/5V microcontrollers for contactless payment systems, device pairing, and smart applications.
add_circle The Upside
- check Versatile dual-interface design simplifies integration with various microcontroller platforms
- check Supports wide range of NFC cards and tags for flexible application development
- check Gravity connector system reduces wiring complexity compared to traditional headers
remove_circle The Downside
- close Maximum communication distance limited to approximately 10mm depending on card/tag size
- close Requires additional USB-to-UART converter for UART interface usage with PC software
Specifications & features
Key features
- check_circle NXP PN532 NFC controller with 13.56 MHz frequency
- check_circle Dual UART and I2C interfaces with switch for easy selection
- check_circle Gravity PH2.0-4P connector for simplified wiring
- check_circle Supports multiple NFC protocols including ISO/IEC 14443A/B, MIFARE, FeliCa
- check_circle Compatible with 3.3V-5.5V controllers like Arduino and ESP32
Specifications
Communication Frequency
13.56 MHz
Dimensions
110×50 mm / 4.33×1.97 in
I2C Address
0x48
IC
NXP PN532
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