Questions about programming the various LEGO programmable bricks, including Mindstorms (NXT and RCX), Wedo and Scout, in either the provided languages and editors, or more advanced languages.

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5
votes
1answer
409 views

NXT brick output ports not working properly

My NXT brick will not let motors run. When I download a program the motor will move forward and backward and then stop - sort of a wiggle. Another motor will not work at all. This happens for all ...
4
votes
1answer
206 views

NXT motor power accuracy

When turning the motors, how precise is the speed parameter? I am programming in the NXC language (standard firmware) and wishing to know how many decimal points will be taken, if any, and whether the ...
5
votes
1answer
267 views

Is it possible to display large text on an NXT using LabVIEW?

In RoboLab and using RobotC, it's possible to write LARGE text to the screen of the NXT. In RoboLab, this can be done by just typing [\big] at the beginning of a string constant which is wired into a ...
16
votes
4answers
5k views

How to calibrate NXT motors to travel the same distance?

The motors included with the NXT are not all created equal - when given the same input power level, they do not always go the same distance or turn at the same rate. I measured this by creating a ...
13
votes
1answer
848 views

Can I write programs for the LEGO RCX 2.0 in Java/C++?

Is there a library which makes it possible to write LEGO Mindstorms programs for RCX 2.0 in Java or C++? With the LEGO software it takes so much time to write good programs.