Remember this post? This is another project from the extreme NXT book. The sensor is used to analyze the color of an object, such as LEGO bricks. Because of its three LEDs (red, blue and green), it can detect more colors than the LEGO light sensor.
Below is a video of a brick sorter with the sensor. Read more about the sensor and the sorter here.
Below is a video of a brick sorter with the sensor. Read more about the sensor and the sorter here.