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Basic Robot Building With LEGO Mindstorms NXT 2.0 by John Baichtal

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2. Project: Backscratcher Bot

Let’s face it, the LEGO Mindstorms NXT set is really big and kind of intimidating if you’re just getting started. Getting from opening the box to having a functional robot can be a leap, and I bet some users never even make it that far.

With the Backscratcher Bot shown in Figure 2.1, however, we’re simplifying the build down to the point where it’ll be a breeze for anyone to tackle this project. Not only is this a simple robot, but we’ll skip the programming step—for now—so you can have a working robot within minutes. How is this accomplished? We’ll use the NXT brick’s menu system to control the motor without uploading a program first.

Figure 2.1. The Backscratcher Bot will fulfill your need for an automated backscratcher. ...

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