The NanoWii is a complete multirotor flightcontroller. It is based on the ATmega32u4, which is the processor of the Arduino Leonardo and incorporates a MPU-6050 chip, which is a combined gyro and ACC. Read more and see photos and pricing via the source link. Source: http://flyduino.net/NanoWii-ATmega32u4-Based-MultiWii-FC_1
