NXT交互式伺服电机（Interactive Servo Motor）（乐高LEGO 9842）

Take precise steps!

The Servo Motor has a built-in rotation sensor that measures speed and distance, and reports back to the NXT Intelligent Brick (sold separately.) This allows for precise steps and complete motor control within one degree of accuracy! Several motors can be aligned to drive at the same speed.

• Includes 1 Servo Motor.
• Does not include connector cable.
• This is the individual component, and does not include the NXT Intelligent Brick, software or any accessories. It requires the complete LEGO® MINDSTORMS® NXT set (#8527 or #8547) for use.