NFC¶ ↑ seattlerb.rubyforge.org DESCRIPTION:¶ ↑ NFC is a ruby wrapper for the Near Field Communication library. The Near Field Communication library works with many USB RFID readers, so this gem lets you read RFID tags. FEATURES/PROBLEMS:¶ ↑ Only supports ISO1443A (MIFARE) tags right now. SYNOPSIS:¶ ↑ require 'nfc' # Create a new context ctx = NFC::Context.new # Open the first available USB device