Ollie- a DIY autonomous robotic blimp

Ollie- a DIY autonomous robotic blimp: "Ollie is an open source blimp-based autonomous and ambient robot that dwells in human habitats. Ollie is observant, often flying in a manner suggesting curiosity for the world around him. Ollie reacts to voices by excitedly flapping his wings, communicating his friendliness and eagerness to be noticed. Ollie wants to know about humans and yearns for their attention."