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Lots of new NXT images

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Over at flickr.com it seems a lot of people are starting to post pictures of bots and stuff... just do a search for "Mindstorms NXT"

Here are a couple of bots I saw, but I don't know what they do... so if you post, add comments if you can.






This one appears to have a rotating Ultrasonic sensor only... so it's probably an obstacle avoider...

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