This creation, by YouTube user MennoGorter appears to use four NXT servos to manipulate its legs, as well as an ultrasonic sensor to avoid obstacles. [Via TheNXTStep.]

John Baichtal

John Baichtal

My interests include writing, electronics, RPGs, scifi, hackers & hackerspaces, 3D printing, building sets & toys. @johnbaichtal nerdage.net