External Sensors
reverse(4); //reverse all motors
motorSpeed(4,45); //run all motors at a constant speed of 45%* power
goFor(2); //run all motors at previously specified speed for 2 secs
motorSpeed(4,45); //run all motors at a constant speed of 45%* power
goToAbsolutePosition(295.4); //travel a distance of 12 ft from starting position at previously specified speed
reverse(4); //reverse all motors
motorSpeed(4,30); //run all motors at a constant speed of 30% power
goFor(1.5); //run all motors at previously specified speed for 1.5 secs
brake(4); //brake all motors