I dealt with PID in my 3d printer and quadcopter. While researching what this (PID) is, I also stumbled upon this page - http://www.gperco.com/2014/05/quadcopte

I dealt with PID in my 3d printer and quadcopter. While researching what this (PID) is, I also stumbled upon this page - http://www.gperco.com/2014/05/quadcopter-stability-and-neural-networks.html http://www.gperco.com/2014/05/quadcopter-stability-and-neura... . Make sure to checkout interactive part - it is pretty awesome!