2- External Sensors + System Analysis 1

//Run all motors at 20% power for 332 for tick marks.

motorSpeed(4,20);

goToAbsolutePosition(332);

//Reverse all motors at 30% power for 1 second.

reverse(4);

motorSpeed(4,30);

goFor(1);

//Stop motor.

brake(4);

//Run all motors at 25% power for 2 seconds.

motorSpeed(4,25);

goFor(2);