Heck, at that price you could throw away the motors and you’d have a tricked-out ARM dev kit. And if you insist ... you’ve got an end-to-end open firmware quadcopter for a pittance.

However, thanks in large part to modern electronics, motors, and open-source control systems ... not sure if it has any real advantages over a quadcopter with ducted propellers.

A brain-computer interface, surgically placed in a research participant with tetraplegia, paralysis in all four limbs, provided an unprecedented level of control over a virtual quadcopter -- just ...