Quantity   Component name
3 × LEDs
1 × PN532 based NFC reader/writer Used in SPI mode
1 × Arduino duemilanove
1 × HD44780 Character LCD 20 characters wide, 4 line, backlit
500 × NTAG203 Type NFC tags (voting tokens) Custom printed for The Gathering
1 × Piezo Buzzer Salvaged from a motherboard
1 × Rotary Encoder Uses grey code