CHAPTER 2In the Box

Before you jump into building your own sensors and actuators, it's important to understand the ones that came in the box, and a few that didn't. It's also important to understand the programming languages available to the NXT and their strengths and weakness.

The Sensors

Sensors provide feedback to a system telling it where it is or how it's doing. The NXT has several types of sensors designed specifically for it, and backward compatibility to the old RCX sensors. All the sensors are well documented by LEGO, but we'll provide additional characteristics and show the internal construction of the sensors.

NXT Sensors

The NXT comes with five types of sensors: Touch, Light, Sound, Ultrasonic, and Rotation. The NXT Rotation Sensor ...

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