3 ms·
And here is how to make one yourself: http://www.instructables.com/id/Brain-Controlled-RC-Helicopter/ http://www.instructables.com/id/Brain-Controlled-RC-Helico
by skolos 13y ago
And here is how to make one yourself: http://www.instructables.com/id/Brain-Controlled-RC-Helicopter/ http://www.instructables.com/id/Brain-Controlled-RC-Helicopt...