hackgt-nfc

A portable Rust library for working with HackGT's NFC badges

Includes support for:

• The HackGT Check-In GraphQL API
  • Check users in / out and detect repeated check-in attempts
  • Get information about a user, given their user ID
  • Get information about current check-in tags
• Adding / removing users from a Check-In instance
• Finding and initializing ACR122U USB NFC readers
• Parsing NFC badge NDEF content into a usable user ID

Used by:

• checkin-embedded
• checkin-labels