http://www.sci.brooklyn.cuny.edu/~mqazhar/teaching/cis1.5/hw/labIII.2.pdf more about drive member function
– The drive() member function of the Surveyor class is very useful for driving your surveyor
robot.
– The left and right track speeds can be in the range -128 to +127.
– Use negative left or right track speeds (e.g., -50) to go in opposite direction.
– The duration is in the range 0 to 255.
– A duration of 0 means until the next drive command. The duration parameter is best for
precise control, any value longer than a few hundredths of a second is probably best done
by using a duration of 0 and having your PC do the timeing. Examine the sleep functions
available on your system.
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