Expansion Port

• Located on the bottom of the Wiimote

• Used to connect auxiliary controllers which augment the input options of the Wiimote

• Custom connector with 6 contacts

• • 2 of the contacts are longer and make contact first when the plug is inserted

• Communicates with the Wiimote via a 400kHz “fast” I2C, slave address 0x52

• Available expansions include:

• • Nunchuk controller
  • Classic controller