The NAO is a full-body humanoid robot manufactured by Aldebaran Robtoics. It is approximately 26 in (66 cm) tall with 26 degrees of freedom in the neck, shoulders, elbows, hands, hips, knees, wrists, and ankles. It has a number of sensors, including an IMU, sonar, video, microphones, and force sensors. It has two speakers and colored LEDs in the eyes for expressive output. The USC Robotics Research Lab currently has 12 NAOs, 10 of which are NAO H25 V 4.0.
