Packed with infrared and ultrasonic sensors, the ArduIMU Quadcopter from maker Jose Julio can hover in place and avoid objects. The video demonstration shows collision avoidance. Information on how it was constructed can be found here. Related Topics #robots #Wireless Adam Flaherty I make cool stuff and write about other people making cool stuff on makezine.com. If you have something you think I should see, send me a tip.