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  • Lego Mindstorms NXT Robots

    Posted by admin on October 14th, 2009 and filed under mindstorm nxt | 2 Comments »

    Lego Mindstorm NXT Creations

    Built, Filmed, and Edited by Brett Gale

    1: Tribot ball Fetcher
    2: Tribot Line Follower (0:40)
    3: Time Lapse Disassemble and Build (1:07)
    4: Color Sorting Claw (1:33)
    5: Scorpion (3:17)
    6: Video Ends (3:44)
    Room left for last robot built but not filmed.

    Duration : 0:5:21

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    Lego Mindstorms NXT Robots

    Posted by admin on October 14th, 2009 and filed under mindstorm nxt | 2 Comments »

    Lego Mindstorm NXT Creations

    Built, Filmed, and Edited by Brett Gale

    1: Tribot ball Fetcher
    2: Tribot Line Follower (0:40)
    3: Time Lapse Disassemble and Build (1:07)
    4: Color Sorting Claw (1:33)
    5: Scorpion (3:17)
    6: Video Ends (3:44)
    Room left for last robot built but not filmed.

    Duration : 0:5:21

    Read the rest of this entry »

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    LEGO NXT Wii-mote with Mindsensors compass & accel sensors

    Posted by admin on September 26th, 2009 and filed under nxt sensors | 25 Comments »

    This shows how a Mindsensors compass & acceleration sensor can be used to control a Lego robot arm like a Wii remote

    Duration : 0:1:40

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    LEGO Mindstorms NXT One-Kit Wonders

    Posted by admin on September 26th, 2009 and filed under nxt programming | 23 Comments »

    Book description
    The creative minds behind the NXT Step blog (thenxtstep.com) are back with a brand new collection of innovative robots. LEGO MINDSTORMS NXT One Kit Wonders is packed with building and programming instructions for ten exciting robots. The book dives headfirst into the creative thrill of robot-building with models like Grabbot, a robot that finds, grabs, lifts, and moves objects autonomously; Dragster, a super-fast drag racing vehicle; and The Hand, a simple robotic replacement hand to protect you from those dangerous cleanup jobs, like picking up your brother’s dirty gym socks. To further fire your imagination, you’ll also learn how to build a self-parking car model, an M&M sorter, a punchcard reading robot, a bike, and a realistic BobCat.

    Step by step building instructions make it simple to construct even the most complex models while the detailed programming instructions teach you how a NXT program really works. All of the models in the book can be built with just the basic NXT Retail kit; there are no extra parts to locate or buy.

    Armed with the knowledge you gain from this book, you’ll be inventing your own amazing creations in no time. LEGO MINDSTORMS NXT One Kit Wonders is perfect for readers who have enjoyed the other books in the No Starch LEGO series as well as for builders who want to get starting creating right away. Appropriate for kids (10+), parents, educators, and LEGO fans of all ages.

    http://www.amazon.com/LEGO-MINDSTORMS-NXT-One-Kit-Wonders/dp/1593271883/

    Duration : 0:2:38

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    Robot Arm Controlled by Neural Net

    Posted by admin on September 24th, 2009 and filed under teaching with LEGO NXT | 7 Comments »

    This is an experiment in which I’m trying to teach an artificial neural network about a virtual organisms’ physiology. The learning process is guided by visual feedback: specifically 3d coordinates of a marker mounted on the robot.

    I’m still working on getting the visual feedback in a usable way. The teaching process will be based on an evolutionary algorithm.

    Duration : 0:1:41

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