Asked
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I am trying to get my Wall-E to follow the color red. The problem is when it see's the red object it turns away from the object. I have everything set up as in the Roli exercise. If I uncheck the left/right turn box in the movement tracking, it will follow the object straight ahead.
Are we talking about his pan and tilt head or his actually drive wheels that are turning away from the red object? For pan and tilt, you may need to invert the servos on the x and or y axis in the camera control... If he is driving left to chase the red object when he should drive right then you'll have to adjust this in the Movement Panel (the camera uses the Movement Panel to drive Wall-e left or right when movement tracking)...
I have come across this a couple of times. A couple of power cycles of the EZ-B usually fixed it. And poor ambient lighting or having an object to close to the camera seems to have this effect also. One other thing, did you ever release your servos for some reason at some point, before doing any colour tracking? If so, try resetting the servo speeds.
Thanks again for your help.