A Multirotor Flight controller for 1K with so many features (With popular Multiwii),
This is a DIY project I am currently working on, Have a look.........
http://www.rcindia.org/self-designed-diy-and-college-projects/%28colorred%29%28b%29diy-multiwii-flight-control-board%28b%29%28color%29/msg199766/#msg199766 (http://www.rcindia.org/self-designed-diy-and-college-projects/%28colorred%29%28b%29diy-multiwii-flight-control-board%28b%29%28color%29/msg199766/#msg199766) :hatsoff: