I would like to present my latest project, a scratch-built quadcopter with a special autopilot: an Android smartphone !
The phone is onboard (under the battery), and actually computes how to stabilize the drone. Of course, a phone cannot be connected directly to the ESCs, so an Arduino ADK bridges the two.
The idea came from the fact that smartphones now feature a lot of nice components useful for a drone. For example, the Nexus 4 used…