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The last test is for the "H" bridges that control the motors. As this test runs all motors forward and backward
without regard to limits it is recommended that the arm and gripper motors have their drive gears removed
before testing and the robot be suspended so the wheels are not in contact with the ground.
Below you can see a photo of the gripper motor with it's drive gear removed. Remember the arm and gripper
motors have two gears that need to be removed.
If you only need to test one motor then disconnect the other motors from the main board prior to testing.
Once the robot has been prepared press "m" and [Enter] to begin the motor test. As the motors increase and
decrease their speed you should see their current draw change.
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