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Programming can be fun

Thomas Mueller thomas _ @ _ tmspecial.com. How to control LEGO® Mindstorms devices. Programming can be fun. Outline. timeline hardware software programming advantages/disadvantages resources questions. Timeline. Code Pilot RCX Scout. Control Center. Dacta. NXT. 1990. 1995.

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Programming can be fun

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  1. Thomas Mueller thomas_ @ _ tmspecial.com How to control LEGO® Mindstorms devices Programming can be fun

  2. Outline • timeline • hardware • software • programming • advantages/disadvantages • resources • questions

  3. Timeline Code Pilot RCX Scout Control Center Dacta NXT 1990 1995 1998/99 2006

  4. Hardware • RCX • 3 inputs/3 outputs • 8-bit Renesas H8/300 microcontroller • 32K RAM • IR communication

  5. Hardware • NXT • 4 inputs/3 outputs • 32-bit AT91SAM7S256 processor • 8-bit ATmega48 microcontroller • 256 KB flash memory, 64 KB RAM • 4 KB flash memory, 512 Bytes RAM • USB communication

  6. Inputs (sensors) • touch • light • sound • ultrasonic • infrared • color • compass • acceleration • gyroscopic

  7. Inputs • buttons • Bluetooth • 3rd party devices • game controller

  8. Outputs • electric motors • sound • display • Bluetooth

  9. Software • Graphical • NXT-G • RoboLab • Microsoft Robotics Studio • Assembly • Next Byte Codes (NBC) • C • Not Quite C (NQC) • Not eXactly C (NXC) • RobotC

  10. Software • Java • leJOS • .NET • NXT# • IDE • Bricx Command Center • Microsoft Visual Studio • Eclipse

  11. NXT-G demo

  12. Bricx/NXC demo

  13. Fat Boy

  14. Pinball machine

  15. Slot machine

  16. Advantages • very affordable for a robotics set • can be combined with 99% of all other Lego parts • huge community • FIRST LEGO League had over 10,000 teams with over 100,000 participants in 2007

  17. Disadvantages • price ($250 MSRP) • not backwards compatible • different sensors/motors

  18. Resources • General • LEGO • http://mindstorms.lego.com/eng/Black_Destination/Default.aspx • Wikipedia • http://en.wikipedia.org/wiki/Lego_Mindstorms • http://en.wikipedia.org/wiki/Lego_NXT • Software • Bricx • http://bricxcc.sourceforge.net/nbc/ • http://bricxcc.sourceforge.net/ • Microsoft Robotics Studio • http://msdn.microsoft.com/en-us/robotics/default.aspx • http://en.wikipedia.org/wiki/Microsoft_Robotics_Studio

  19. Resources • 3rd party hardware • http://www.hitechnic.com/ • http://www.mindsensors.com/ • Community • FIRST LEGO League • http://www.usfirst.org/community/fll/default.aspx?id=970 • http://en.wikipedia.org/wiki/FIRST_Lego_League • LEGO user group of Los Angeles • http://groups.yahoo.com/group/LUGOLA/ • BrickShelf • http://www.brickshelf.com/cgi-bin/search.cgi?q=nxt&stype=dfic • http://www.brickshelf.com/cgi-bin/search.cgi?q=mindstorms&stype=fi

  20. Questions

  21. Contact • Thomas Mueller • thomas_ @ _ tmspecial.com • http://www.tmspecial.com/downloads/Lego Mindstorms NXT.pptx

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