Servos, motion and a plan for control

How is controlling a servo like dribbling a basketball?

Why does a high level language like Scratch make it easy to control a servo?

 

Write down a plan for keyboard control for the robot using at least 6 different keys on the keyboard.

key Description of what the key press will do
   
   
   
   
   
   
   
   

Test out your program on these patterns:

Square around a chair "S" shape around 2 chairs
square S around 2 chairs