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Gravity - communication module with NFC tag - I2C/UART - DFRobot DFR0231-H

Index: DFR-19024 EAN: 5904422361563
Gravity seriescommunication module with NFC tag manufactured by DFRobot. It uses an integrated NXP PN532 communication controller that supports various types of smart proximity and bounce cards or NFC tags, including but not limited to the MIFARE Classic and NTAG series commonly used in the market. It uses two buses: an I2C interface and a UART interface, which are selectable via a switch built into the board. It is compatible with 3.3V / 5V powered microcontrollers, which include Arduino, micro:bit, FireBeetle ESP32 or FireBeetle ESP8266.
€16.48
€13.40 tax excl.
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Manufacturer: DFRobot
Compatibility: Arduino

Product description: Gravity series communication module with NFC tag - I2C / UART - DFRobot DFR0231-H

Gravity seriescommunication module with NFC tag manufactured by DFRobot. It uses the NXP PN532 integrated communication controller, which supports various types of smart proximity and bounce cards or NFC tags, including the MIFARE Classic and NTAG series commonly used on the market. It uses two buses: an I2C interface and a UART interface, which are selectable via a switch built into the board. It is compatible with 3.3V / 5V powered microcontrollers, which include Arduino, micro:bit, FireBeetle ESP32 or FireBeetle ESP8266.

The product iscompatible with Arduino
A product wiki page is available on the manufacturer's website, which includes a user guide and library for the Arduino IDE environment along with sample program code.

Tag NFC znajduje zastosowanie w systemach płatności zbliżeniowych.

NFC tag is used in contactless payment systems.

Key features

  • Highly integrated NXP NFC controller
  • Supports various types of popular proximity and bounce cards or NFC tags
  • Compatible with controller operating at 3.3 V / 5 V
  • The carrier frequency is 13.56 MHz

Suggested application

  • Proximity payment system
  • Connections to Bluetooth and WiFi devices
  • NFC application for smartphones

Pinout description

  • 1 - D / T (SDA / TXD) - data transmission pin of I2C / UART interface
  • 2 - C / R (SCL / RXD) - I2C / UART clock line pin
  • 3 - GND - system ground
  • 4 - VCC - power supply pin with voltage from 3,3 V to 5,5 V
  • 5 - / - I2C / UART interface selection pin
  • 6 - IRQ - interrupt output pin
  • 7 - NA - power indicator (red signaling)
  • 8 - / - NFC antenna
Opis wyprowadzeń modułu komunikacyjnego.

Description of the communication module pinouts.

Obsługiwana częstotliwość komunikacji to 13,56 MHz.

Supported communication frequency is 13.56 MHz.

Technical specification of the communication sensor

  • Circuit: NXP PN532
  • Input voltage (VCC): 3.3 V to 5.5 V
  • Communication interface: Gravity I2C and UART
  • UART baud rate: 115200 bps
  • Communication interface address: 0x48
  • Communication frequency: 13.56 MHz
  • Maximum communication distance: ≥10 mm
  • Supported protocols:
    • Reader/writer mode: ISO / IEC 14443A, ISO / IEC 14443B, MIFARE, FeliCa
    • Card emulation mode: ISO 14443A / MIFARE Classic 1K or 4K, FeliCa
    • Equivalent network: ISO / IEC18092, ECM340

Kit contents

  • Gravity - UART and I2C NFC communication module
  • Connection cable with Gravity 4-pin I2C / UART standard
  • Connector goldpin 2.54 mm raster
  • Sticker with NFC tag
W skład zestawu wchodzi taże 4-pinowy przewód połączeniowy ze standardem Gravity.
Set includes also 4-pin connection cable with Gravity standard.

Same-day shipping

  • Crediting the payment for the order on our account on a business day before 10:00 AM means sending the goods on the same day.
  • All packages are being delivered by GLS Group courier and covered with insurance up to 1200 EUR.
  • You will receive a link to track your package and monitor the progress of delivery as soon as it is shipped.

Terms of delivery 

GLS - zone 1

Austria, Belgium, Croatia, The Czech Republic, Denmark, Germany, Netherlands, Poland, Slovakia 

  • Delivery time: 2-4 days
  • Delivery cost: from 4.18 EUR
  • Insurance: 1200 EUR
GLS - zone 2

Bulgaria, Estonia, France, Hungary, Italy, Latvia, Lithuania, Luxembourg, Portugal, Romania, San Marino, Slovenia

  • Delivery time: 2-5 days
  • Delivery cost: from 5.35 EUR
  • Insurance: 1200 EUR
GLS - zone 3

Finland, Greece, Ireland, Lichtenstein, Spain, Sweden 

  • Delivery time: 2-7 days
  • Delivery cost: from 7.67 EUR
  • Insurance: 1200 EUR

Payment methods

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