Here is a video of a project based on USB 6218 and an accelerometer mx2125. I use the accelerometer as a remote for positioning 2 servo motors( one for rotating, one for the claw) howevere as you can see from the video the servos response is very delayed.
https://www.dropbox.com/s/a4y74ogtzsi0dle/VID_20130720_184937.mp4
How can I fix this?