Quantity   Component name
1 × Atmel SAM R21G18A http://www.atmel.com/devices/ATSAMR21G18A.aspx
1 × ILI9341 TFT LCD 240x320 262K color http://www.newhavendisplay.com/app_notes/ILI9341.pdf
1 × OR Sharp 2.7-inch (diagonal) Memory LCD http://www.sharpmemorylcd.com/2-7-inch-memory-lcd.html
1 × Li-Po Battery, 3.7V, 2500mAh or more https://www.adafruit.com/products/328
1 × Li-Po charge controller + Buck Regulator 3.7V > 3.3V
4 × WS2812B RGB LED's
1 × IR LED for Rx
1 × IR LED for Tx
1 × Audio Buzzer http://www.cui.com/catalog/components/speakers
4 × A few Buttons
1 × EEPROM to store some persistent data on badge , maybe