Mimbo is one chirpy little fella! Actually it can play the sad dude, too. The ‘bot uses facial recognition to generation a corresponding emotion on that cardboard-wrapped iPhone head of his. His face is composed of four LEDs for eyes, an empty label eyelid and a mouth made from a multi-fader, all created using TouchOSC. And using facial tracking via a program like FaceOSC, little Mimbo can mimic your expressions.
Wanna try your hand it? There’s a link at the end of the YouTube video where you can learn how to make your own!