here's a few things you can try:
1) make sure your sensors can see the line. are the individual indicator lights lighting up? try adjusting the sensitivity a little.
2)are the casters causing your bot to turn too fast? I welded the casters on my test bot straight and it helped.
3)if your inner sensors are working, are they just not turning hard enough? try making the turn tighter.
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Originally Posted by sudeepr71
We are using drill motors for the drive train. There is no sign of binding because when we set the motors to 255 and 0 it does perfect 360. We have tried moving the sensors closer together, farther apart, placing them in the middle. The sensors are not backwards because when we try running the tape under it with our hands it does what is is programmed to do. The problem is when the robot is on the floor.
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