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Questions tagged [mindstorms]

Mindstorms is a popular robotics line launched by LEGO. The kits include software and hardware to create small, customizable, and programmable robots. Each kit includes a programmable 'Brick' computer that controls the system, a set of modular sensors and motors, and LEGO parts from the Technics line to create the mechanical systems.

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Mindstorms: EV3 Brick files vanished

The EV3 brick turned off by itself (the battery is not low), we restarted it and the file finder was empty, all our files are not there right now. Have they disappeared from the brick forever or is ...
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Can Lego Mindstorms EV3 be run on Intel Atom 1.33 GHz CPU?

The specifications at Lego official site here say that Dual Core 2.0GHz CPU or better is needed. Still, maybe quad core with 1.8 GHz (like Prestiogio Multipad Visconte's Intel Atom quad core) would ...
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Monobrick Communication Library-reading nxt sensors

In my program, I'm need to detect if the NXT touch sensor is pressed. ...
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Lego Mindsotrms RCX 1.0 CPU

I am working on a project and I need to know what is the exact model number of the CPU that is in the Lego Mindstorms RCX 1.0 . It would be nice if you listed the specs of the CPU, beacause I am ...
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Do I need extra software on the EV3 to use Robotary?

Do we need to install extra software on the EV3 or does Robotary (https://robotaryapp.com/) install programs just like the default LEGO Software. Thanks, Josh
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How to program an NXT brick to always hit a ball?

I am using a mindstorm robot with an NXT brick, using the graphical interface to create the program. Part of the course my robot will take includes a black line on a white background. At the end of ...
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Clicking NXT Brick

Help! I have recently installed leJOS NXJ on to my NXT brick, and soon after my batteries died. I inserted new ones, and now I cant start my brick up. When I press the startup button(orange) it makes ...
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Pros/Cons of common robotics “kits” at the high school level [duplicate]

I am interested in starting a robotics club at my high school next year, since we don't have one, and I want to know what the pros/cons are of common kits. I already have a Vex kit since my uncle is ...
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1answer
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Mindsensor Motor Multiplexer jump on run_unlimited

I am trying to run a nxt motor using the mindsensors motor multiplexer at a slow speed. When I turn it on, it tends to jump approx 20 to 40 degrees before moving at a slow speed. Has anyone seen ...
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2answers
1k views

PID line follow with three sensors in Not eXactly C

I'm currently working on a line-following robot which uses three sensors to follow a black line. The sensors are pretty much in line and right next to each other. Right now, I'm doing a simple line ...
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2answers
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Check if task exists in Not eXactly C

Is there a way to check if a task, function or variable exists in Not eXactly C? I know that in PHP you can use isset() to check if a variable exists and ...
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1answer
538 views

What are the notable limitations on using Java with Mindstorms NXT 2.0?

I'm a long time Java developer who is starting to learn on the Lego Mindstorms NXT 2.0. Are there any limitations to using the Java API? Which language is the most robust on the platform? I found a ...
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Will turning an NXT motor by hand damage it?

I have heard a lot of claims that manually turning an NXT motor by hand can potentially damage it. I was wondering whether this was at least partially true, and whether there is any evidence to ...
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Properly flashing the firmware on a Lego Mindstorms NXT

I am attempting to upload a custom firmware to a Lego Mindstorms NXT and am having issues. First of all, I'm attempting to use nxtOSEK, which would let me run C++ programs on it. The problem is, ...