NXT：机器人：罗盘传感器（Compass Sensor）（乐高LEGO 10285）

Give your robot direction!

Using the NXT Brick (sold separately), the Compass Sensor is able to measure the earth's magnetic field and calculates a magnetic heading  to tell which direction your robot is facing. The compass has a built-in calibration to help reduce magnetic interference from other sources.

• Includes 1 Compass Sensor.
• 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.