Nao is a wonderful robotic platform for research. It is capable of expressing emotions through gestures and its LED eyes. As it turns out, pluggable eyebrows allow these robots to better express themselves. This device is controlled by NAO’s development environment. It allows the robot to show anger or sadness while performing tasks.
More gadgets like this: here
These pluggable eyebrows give NAO facial expressions. More information is available here.
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