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Lego Mindstorms NXT

Xander Soldaat BotBench.com. Lego Mindstorms NXT. Topics. What is Mindstorms ? How can you build with it? What can you build with it? Programming the NXT What’s inside the brick? Sensing the world. Topics. My activities Why do I do it? Books Communities Questions.

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Lego Mindstorms NXT

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  1. XanderSoldaat BotBench.com Lego Mindstorms NXT

  2. Topics • What is Mindstorms? • How can you build with it? • What can you build with it? • Programming the NXT • What’s inside the brick? • Sensing the world

  3. Topics • My activities • Why do I do it? • Books • Communities • Questions

  4. What is Mindstorms?

  5. How can you build with it? • NXT brick • Motors • Sensors • Lego (Technic)parts • Parts in other Technic sets • Parts available online through webshops

  6. What can you build with it?

  7. What can you build with it?

  8. What can you build with it? LEGO WORLD 2 0 0 9

  9. What can you build with it? LEGO WORLD 2 0 1 0

  10. What can you build with it? LEGO WORLD 2 0 1 1

  11. Programming the NXT • NXT-G • Graphical programming using blocks and lines • Comes with the set when you buy it • Easy to get started with it • Very suitable for children

  12. Programming the NXT • ROBOTC • C-like environment • 100x faster than NXT-G • Debugger • More difficult to learn • Not free

  13. Programming the NXT • NXC/BrixCC • C-like programming language/IDE • Can use standard LEGO firmwareor enhanced firmware • Free (MPL) • Lejos • Java on your brick! • Very complete API, really great classes • Free (MPL)

  14. What’s inside the brick? • Bluetooth module • AT91SAM7s256 @ 48 MHz • Atmega8 @ 8MHz • 3 x Motor ports • 4 x Sensor ports • 1 x USB

  15. Sensing the world

  16. Sensing the world • Sense: • colour, light, sound, pressure • flex, touch, shapes, distance • rotation, acceleration, temperature • position, altitude, velocity • Control: • servos, motors, lights, relays • Communicate: • USB, XBee, Wi-Fi, Bluetooth, RS485, IR

  17. Sensing the world • LEGO: <10 sensors • Mindsensors: > 20 sensors • HiTechnic: >15 sensors • Dexter Industries: 8 sensors • MicroInfinity, Codatex, Vernier, POB

  18. My activities • Software tester for Robotics Academy (Carnegie Mellon University) • Part of the LEGO MCP4 • Hardware tester for all major sensor companies. • Develop and maintain a ROBOTC driver suite, 50+ devices supported, 4500+ downloads

  19. My activities • Co-owner Mindboards community • Maintainer of BotBench.com (300-500 visitors/day) • Contributor on official ROBOTC site • Give workshops and presentations (like this one) • Attend big LEGO events (LEGO World)

  20. Why do I do it? • It’s nice to help people • Keeps you mentally fit • Recognition within the Mindstorms community • “Thank you” emails from FTC teams, professors, teachers and users. • Most of all, because it’s FUN!

  21. Books • Countless books available • For beginners • For advanced programmers • Many different core subjects • Building • Programming • Electronics; “hacking” • Themed books

  22. Some examples Just a few of the 65 results in Amazon.com

  23. Communities • Massive online LEGO communities • Lego User Groups (LUGs) • (Belug, LowLug) • Mindstorms communities and blogs • NXT Step • Mindboards • BotBench.com • Many other personal websites

  24. Additional URLs • HiTechnic: hitechnic.com • Mindsensors: mindsensors.com • Dexter Industries: dexterindustries.com • ROBOTC: robotc.net • NXC: bricxcc.sourceforge.net • Lejos: lejos.sourceforge.net

  25. Additional URLs • Laurens Valk’s websites:laurensvalk.com (personal)discovery.laurensvalk.com (book site) • Mindboards: sourceforge.net/apps/phpbb/mindboards • The NXT Step: thenxtstep.blogspot.com • Mindstorms site: mindstorms.lego.com • De Bouwsteen: debouwsteen.eu • LowLug: lowlug.nl

  26. Questions? http://www.mocpages.com/moc.php/251311

  27. XanderSoldaat BotBench.com

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