I've added 40% Expo to my MX-20 and my bird (CS6) still seems a bit twitchy. Anybody drop there Stick P and D to lower numbers with good results? Default P = 6 Default D= 10 I don't like messing with these PID things much. Makes me nervous, not knowing exactly what they do. Goes back to the MultiWii I fooled with endlessly and still couldn't get good stability. Thanks, and Merry Christmas!
Those are the settings I used for a long time. There is a good video from Thiago Kruse showing the difference if you search out Drone4You on YouTube or Vimeo.
Thanks Gary: Found it! Just wanted to check to see if there was any info before messing with them a bit.