NXT Gyro Sensor for LEGO Mindstorms NXT
Measure rotation in degrees per second with the HiTechnic Gyro Sensor for LEGO NXT MINDSTORMS.  Buy direct from the manufacturer who is the only LEGO authorized 3rd party manufacuture of this and other advanced NXT sensors.  Download LEGO NXT-G programming blocks and C programming drivers from the HiTechnic.com downloads page.