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Gravity: UART & I2C NFC Module

DFR0231-H · DFRobot

Gravity: UART & I2C NFC Module photo

This NFC module uses NXP PN532 for smart card compatibility. It features Gravity I2C/UART interfaces, supports 3.3V/5V controllers, and enables contactless transactions. (DFRobot DFR0231-H)

Part numberDFR0231-H
ManufacturerDFRobot
CategoryCommunication & Wireless › NFC & RFID Readers
Pins4

Gravity: UART & I2C NFC Module pinout

PinNameTypeDescription
1VCCpower
2GNDground
3C (SCL/TX)bidirectionalI2C SCL, or UART - see the module's pinout
4D (SDA/RX)bidirectionalI2C SDA, or UART - see the module's pinout

Schematic symbol and footprint

VCC1C (SCL/TX)3D (SDA/RX)4GND2
Schematic symbol
1234
Footprint: JST PH 2.0 mm 4-pin through-hole (Gravity PH2.0-4P) — to scale, pad 1 in yellow (mm). Check against the datasheet before ordering PCBs.

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