RFID/NFC Transmitter (Troyka Module)

  • AMP-B058
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This scanner not only reads and writes RFID cards, tokens, and tags, but can also communicates with devices that support NFC (Near Field Communication) technology. With this, you can even add your smartphone or tablet to a new project.

This Troyka module is useful if you want to create a secure lock for your smart home, automate your store or warehouse, or even increase the accuracy of your robots.

This module works with Mifare and even public transport cards (SmarTrip, Ventra, and others). The scanner supports ISO14443 Type A/B protocols.

The board is based on the PN532 and has a remote antenna.


To connect to an Arduino or an Iskra, the I²C bus and the IRQ interrupt pin must be used. Connect via the 3-pin jumper cable to receive a signal from the scanner. The 3-pin jumper cable needed for the connection is included in the kit.

There are several different ways to wire this module:

Troyka Shield. The most straightforward method. Connect the module to a pin group on Troyka Shield with the 3-pin jumper cable and you’re ready to interface with it from your Arduino.

Troyka Slot Shield. The best choice for quick prototyping. Using slots on the shield, you can get rid of cables. The module will be held securely in place using both pin headers.

Breadboard. For advanced use. Troyka pin headers have 0.1” spacing which is compatible with any breadboard. Simply wire the module like you would do with any IC.


Download an Arduino library from Adafruit’s GitHub.


  • Sensing Distance: up to 5 cm
  • Power Supply: 3.3 ~ 5.4 V
  • Current Draw: 100 ~ 150 mA
  • Interface: I²C
  • Module Dimensions: 50.8 x 25.4 mm
  • Antenna Dimensions: 50.8 x 50.8 mm