Innovation

The Unofficial LEGO Mindstorms NXT 2.0 Inventor's Guide projects

Inventor-Bot: Sentry Bot

The first peripheral for the Inventor-Bot is the ultrasonic sensor; it allows the bot to “see” and react to an object directly in front of it. Two variations on this are to turn and avoid an object and to keep a consistent distance from a moving object.

Photo of Laurens Valk's model by Wally Bahny for TechRepublic

For more about the book, read my Geekend post Geek Gifts 2011: The Unofficial LEGO Mindstorms NXT 2.0 Inventor's Guide.

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