i build a follow wall robot with sharp gp2d120 and robot correct its movement with wall
when sharp detect wall edge ,robot move far from the wall.
do you have any idea to solve the problem.


I am not entirely sure what you are asking. Can you rephrase your question and supply a lot more details about your robot and what you are doing with it? You might also post any code you have and pictures or a YouTube video showing the problem.