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When modifying the servos, Potentiometer question

Hello Everyone,

I have modified my servo and it rotates continuously ,however, no matter what values I plug into the servo between the numbers of 90 and 225 in always is spinning counter clockwise. When I try a value of say 75 -80 it simply doesn't turn and makes these little jerking movements but doesn't really turn. I am going to need my other servos to rotate the opposite direction since they will be on the other side of my robot so it goes forward. I thought that maybe this might be a potentiometer problem I am not sure. Anyone have any ideas?



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When you cut the potentiometer bit sticking out under the main gear did you center the servo ? You can do it by sending the "neutral" position code to your servo and tune the pot till the servo stays still, then glue it in that position.