BrickEngineer: LEGO Design

LEGO Engineering for LEGO NXT and Robot Enthusiasts

About BrickEngineer

BrickEngineer is maintained by Kevin Knuth.  It has grown from a set of pages that served as notes, tutorials, and presentations describing the construction of mechanisms from the vast set of prefabricated plastic parts developed by the LEGO corporation. 

This page is in no way affiliated with, supported by, or even acknowledged by LEGO.

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  • Daniel Thomas says:


    I saw your site and I’m trying to find someone to answer a few questions of mine before I purchase a set and in the future some of your extra sensors if I can make it work.

    With the NXT controller:

    1) What is operating frequency of the ARM7? Of the AVR?
    2) Are they separately programmable?
    3) Is it allowed to add external logic?

    Thanks for and help you can provide!

    Daniel Thomas

    January 21, 2009 at 9:11 am
  • admin says:

    I am not sure how to program the microcontroller in the NXT brick directly. I have been working to use our own microcontrollers (ATmega88/168) with our own circuitry and Pololu motor controllers to have better control.

    February 10, 2009 at 1:24 am
  • Johannes says:


    The experiment “Interface a Potentiometer to the NXT”


    with the NXT is very interesting.
    I want to try out the potentiometer with my NXT too.
    Unfortunately the code ‘Potentio-03.rbt’ can’t be downloaded.
    Can you send this one or is there another link for downloading?!

    Many thanks!

    August 25, 2010 at 10:10 am
  • admin says:

    Hello, sorry about that.
    I have recovered the file and restored the link.

    August 30, 2010 at 2:30 am

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